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21771 Zip Code (Mount Airy, MD) Detailed Profile




City: Mount Airy, MD (4.85%)
Counties: Frederick County, MD (50.08%), Carroll County, MD (28.01%), Howard County, MD (18.21%), Montgomery County, MD (3.70%)
Estimated zip code population in 2019: 30,227
Zip code population in 2010: 29,563
Zip code population in 2000: 25,694

Houses and condos: 10,514
Renter-occupied apartments: 795
% of renters here:

8%
State:

33%
March 2019 cost of living index in zip code 21771: 175.9 (very high, U.S. average is 100)

Land area: 85.1 sq. mi.
Water area: 0.2 sq. mi.
Population density: 355 people per square mile 
 
 (very low).

Age and Sex of Residents in zip code 21771
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Real estate property taxes paid for housing units in 2019:
This zip code:

1.0% ($4,404)
Maryland:

1.1% ($3,515)
Median real estate property taxes paid for housing units with mortgages in 2019: $4,525 (1.0%)
Median real estate property taxes paid for housing units with no mortgage in 2019: $4,067 (1.0%)

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Males: 14,879  (49.2%)
Females: 15,347  (50.8%)

For population 25 years and over in 21771:

  • High school or higher: 95.5%
  • Bachelor's degree or higher: 43.5%
  • Graduate or professional degree: 18.8%
  • Unemployed: 2.5%
  • Mean travel time to work (commute): 40.7 minutes

For population 15 years and over in 21771:

  • Never married: 24.6%
  • Now married: 62.5%
  • Separated: 0.9%
  • Widowed: 4.5%
  • Divorced: 7.4%

Zip code 21771 compared to state average:

  • Median household income above state average.
  • Unemployed percentage below state average.
  • Black race population percentage significantly below state average.
  • Foreign-born population percentage significantly below state average.
  • Renting percentage significantly below state average.
  • Number of rooms per house above state average.
  • House age below state average.
  • Races in zip code 21771 (2019)
    • 26,83190.8%White
    • 1,1243.8%Hispanic or Latino
    • 6552.2%Black
    • 4421.5%Asian
    • 4321.5%Two or more races
    • 470.2%American Indian
    • 240.08%Some other race
    • 80.03%Native Hawaiian and Other
      Pacific Islander
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Urban population: 15,517
Rural population: 14,709

Estimated median house/condo value in 2019: $454,462
21771:

$454,462
Maryland:

$332,500



According to our research of Maryland and other state lists, there were 11 registered sex offenders living in 21771 zip code as of January 16, 2022.
The ratio of all residents to sex offenders in zip code 21771 is 2,694 to 1.
The ratio of registered sex offenders to all residents in this zip code is much lower than the state average.


Median resident age:
This zip code:

42.5 years
Maryland median age:

39.0 years
Average household size:
This zip code:

3.0 people
Maryland:

2.6 people

Averages for the 2012 tax year for zip code 21771, filed in 2013:

Average Adjusted Gross Income (AGI) in 2012: $86,791 (Individual Income Tax Returns)
Here:

$86,791
State:

$72,703

Salary/wage: $78,521 (reported on 86.2% of returns)
Here:

$78,521
State:

$62,228
(% of AGI for various income ranges: 76.2% for AGIs below $25k, 75.3% for AGIs $25k-50k, 71.3% for AGIs $50k-75k, 76.0% for AGIs $75k-100k, 84.1% for AGIs $100k-200k, 72.9% for AGIs over 200k)

Taxable interest for individuals: $1,015 (reported on 52.5% of returns)
This zip code:

$1,015
Maryland:

$1,413
(% of AGI for various income ranges: 1.5% for AGIs below $25k, 0.8% for AGIs $25k-50k, 0.9% for AGIs $50k-75k, 0.6% for AGIs $75k-100k, 0.4% for AGIs $100k-200k, 0.6% for AGIs over 200k)

Ordinary dividends: $3,276 (reported on 29.5% of returns)
Here:

$3,276
State:

$6,933
(% of AGI for various income ranges: 1.9% for AGIs below $25k, 1.3% for AGIs $25k-50k, 1.4% for AGIs $50k-75k, 1.1% for AGIs $75k-100k, 0.8% for AGIs $100k-200k, 1.4% for AGIs over 200k)

Net capital gain/loss in AGI: +$6,698 (reported on 22.0% of returns)
Here:

+$6,698
State:

+$14,830
(% of AGI for various income ranges: 0.4% for AGIs $50k-75k, 0.5% for AGIs $75k-100k, 0.7% for AGIs $100k-200k, 4.6% for AGIs over 200k)

Profit/loss from business: +$14,608 (reported on 16.4% of returns)
Here:

+$14,608
State:

+$12,606
(% of AGI for various income ranges: 7.0% for AGIs below $25k, 4.9% for AGIs $25k-50k, 3.6% for AGIs $50k-75k, 2.1% for AGIs $75k-100k, 2.3% for AGIs $100k-200k, 2.4% for AGIs over 200k)

Taxable individual retirement arrangement distribution: $16,310 (reported on 10.3% of returns)
21771:

$16,310
Maryland:

$17,065
(% of AGI for various income ranges: 3.6% for AGIs below $25k, 2.2% for AGIs $25k-50k, 2.5% for AGIs $50k-75k, 2.4% for AGIs $75k-100k, 1.7% for AGIs $100k-200k, 1.7% for AGIs over 200k)

Self-employment retirement plans: $13,885 (reported on 0.9% of returns)
21771:

$13,885
Maryland:

$24,439
(% of AGI for various income ranges: 0.2% for AGIs $25k-50k, 0.1% for AGIs $100k-200k, 0.2% for AGIs over 200k)

Total itemized deductions: $29,292 (22% of AGI, reported on 57.8% of returns)
Here:

$29,292
State:

$27,886

Here:

22.5% of AGI
State:

22.8% of AGI
(% of AGI for various income ranges: 16.4% for AGIs below $25k, 17.8% for AGIs $25k-50k, 21.8% for AGIs $50k-75k, 22.1% for AGIs $75k-100k, 21.2% for AGIs $100k-200k, 16.2% for AGIs over 200k)

Charity contributions: $3,334 (reported on 49.0% of returns)
Here:

$3,334
State:

$4,452
(% of AGI for various income ranges: 1.0% for AGIs below $25k, 1.5% for AGIs $25k-50k, 1.9% for AGIs $50k-75k, 2.2% for AGIs $75k-100k, 2.0% for AGIs $100k-200k, 1.9% for AGIs over 200k)

Taxes paid: $13,218 (reported on 57.5% of returns)
21771:

$13,218
State:

$11,690
(% of AGI for various income ranges: 3.8% for AGIs below $25k, 4.9% for AGIs $25k-50k, 7.8% for AGIs $50k-75k, 8.8% for AGIs $75k-100k, 9.7% for AGIs $100k-200k, 9.3% for AGIs over 200k)

Earned income credit: $1,792 (reported on 6.6% of returns)
Here:

$1,792
State:

$2,199
(% of AGI for various income ranges: 2.7% for AGIs below $25k, 0.6% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2012 taxes: 47.3%
Here:

47%
State:

52%
(% for various income ranges: 38.5% for AGIs below $25k, 46.8% for AGIs $25k-50k, 53.8% for AGIs $50k-75k, 53.1% for AGIs $75k-100k, 48.8% for AGIs $100k-200k, 57.3% for AGIs over 200k)

Averages for the 2004 tax year for zip code 21771, filed in 2005:

Average Adjusted Gross Income (AGI) in 2004: $74,999 (Individual Income Tax Returns)
Here:

$74,999
State:

$60,339

Salary/wage: $67,091 (reported on 87.6% of returns)
Here:

$67,091
State:

$52,211
(% of AGI for various income ranges: 136.7% for AGIs below $10k, 72.5% for AGIs $10k-25k, 76.9% for AGIs $25k-50k, 80.3% for AGIs $50k-75k, 86.5% for AGIs $75k-100k, 75.6% for AGIs over 100k)

Taxable interest for individuals: $1,167 (reported on 62.7% of returns)
This zip code:

$1,167
Maryland:

$1,701
(% of AGI for various income ranges: 5.9% for AGIs below $10k, 3.0% for AGIs $10k-25k, 1.3% for AGIs $25k-50k, 1.0% for AGIs $50k-75k, 0.8% for AGIs $75k-100k, 0.8% for AGIs over 100k)

Taxable dividends: $2,500 (reported on 34.5% of returns)
Here:

$2,500
State:

$4,235
(% of AGI for various income ranges: 4.7% for AGIs below $10k, 2.2% for AGIs $10k-25k, 1.0% for AGIs $25k-50k, 1.0% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 1.2% for AGIs over 100k)

Net capital gain/loss: +$18,161 (reported on 26.8% of returns)
Here:

+$18,161
State:

+$15,888
(% of AGI for various income ranges: 2.5% for AGIs below $10k, 0.6% for AGIs $10k-25k, 0.3% for AGIs $25k-50k, 1.1% for AGIs $50k-75k, 0.8% for AGIs $75k-100k, 10.3% for AGIs over 100k)

Profit/loss from business: +$14,213 (reported on 16.7% of returns)
Here:

+$14,213
State:

+$12,221
(% of AGI for various income ranges: 5.7% for AGIs below $10k, 6.1% for AGIs $10k-25k, 5.0% for AGIs $25k-50k, 3.3% for AGIs $50k-75k, 2.7% for AGIs $75k-100k, 2.8% for AGIs over 100k)

IRA payment deduction: $3,150 (reported on 3.7% of returns)
21771:

$3,150
Maryland:

$2,968
(% of AGI for various income ranges: 0.4% for AGIs below $10k, 0.3% for AGIs $10k-25k, 0.4% for AGIs $25k-50k, 0.2% for AGIs $50k-75k, 0.2% for AGIs $75k-100k, 0.1% for AGIs over 100k)

Self-employed pension: $11,508 (reported on 1.4% of returns)
Here:

$11,508
Maryland:

$17,155
(% of AGI for various income ranges: 0.1% for AGIs $25k-50k, 0.1% for AGIs $50k-75k, 0.1% for AGIs $75k-100k, 0.3% for AGIs over 100k)

Total itemized deductions: $24,424 (22% of AGI, reported on 60.9% of returns)
Here:

$24,424
State:

$22,960

Here:

22.4% of AGI
State:

23.3% of AGI
(% of AGI for various income ranges: 24.3% for AGIs below $10k, 16.0% for AGIs $10k-25k, 19.6% for AGIs $25k-50k, 23.9% for AGIs $50k-75k, 23.9% for AGIs $75k-100k, 18.1% for AGIs over 100k)

Charity contributions deductions: $2,978 (3% of AGI, reported on 55.2% of returns)
Here:

$2,978
State:

$4,031

Here:

2.6% of AGI
State:

3.9% of AGI
(% of AGI for various income ranges: 1.3% for AGIs below $10k, 1.3% for AGIs $10k-25k, 1.9% for AGIs $25k-50k, 2.4% for AGIs $50k-75k, 2.3% for AGIs $75k-100k, 2.2% for AGIs over 100k)

Total tax: $11,258 (reported on 84.7% of returns)
21771:

$11,258
State:

$10,167
(% of AGI for various income ranges: 4.0% for AGIs below $10k, 5.2% for AGIs $10k-25k, 7.4% for AGIs $25k-50k, 8.0% for AGIs $50k-75k, 8.7% for AGIs $75k-100k, 16.0% for AGIs over 100k)

Earned income credit: $1,492 (reported on 4.6% of returns)
Here:

$1,492
State:

$1,700

Percentage of individuals using paid preparers for their 2004 taxes: 50.4%
Here:

50%
State:

55%
(% for various income ranges: 38.0% for AGIs below $10k, 51.0% for AGIs $10k-25k, 55.9% for AGIs $25k-50k, 57.7% for AGIs $50k-75k, 50.8% for AGIs $75k-100k, 50.0% for AGIs over 100k)

Estimated median household income in 2019:
This zip code:

$135,532
Maryland:

$86,738
Mount Airy, MD (21771) map Nearest zip codes: 21770, 21774, 20872, 21797, 21762, 21776.
Percentage of family households:
This zip code:

59.2%
Maryland:

47.4%
Percentage of households with unmarried partners:
This zip code:

4.6%
Maryland:

47.2%
Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.1% of all households
  • Gay men: 0.0% of all households

Household received Food Stamps/SNAP in the past 12 months: 332
Household did not receive Food Stamps/SNAP in the past 12 months: 9,873


Women who had a birth in the past 12 months: 336 (302 now married, 36 unmarried)
Women who did not have a birth in the past 12 months: 6,446 (3,355 now married, 3,068 unmarried)


Housing units in zip code 21771 with a mortgage: 7,128 (83 second mortgage, 1,184 home equity loan, 77 both second mortgage and home equity loan)
Houses without a mortgage: 2,161

Median monthly owner costs for units with a mortgage: $2,396
Median monthly owner costs for units without a mortgage: $608

Residents with income below the poverty level in 2019:
This zip code:

4.0%
Whole state:

9.0%
Residents with income below 50% of the poverty level in 2019:
This zip code:

1.6%
Whole state:

4.5%
Median number of rooms in houses and condos:
Here:

8.4
State:

7.3
Median number of rooms in apartments:
Here:

5.7
State:

4.3
  • Notable locations in this zip code not listed on our city pages

  • Click to draw/clear zip code borders
  • Notable locations in zip code 21771: White Turf Farm (A), Killara Farm (B), Engleside Farm (C), Snowmill Farm (D), New Hope Valley Campground (E), Moxley Farms (F), Maplesville Farms (G), Woodcamp Farm (H), Whispering Pines Turkey Farm (I), Berrywine Plantations (J), Lantern Light Farm (K), Rock Hill Orchard (L), Twin Arch Business Park (M), Mount Airy Wastewater Treatment Plant (N), Mount Airy Industrial Park (O), Links at Challedon (P), Hope Valley Executive Golf Course (Q), Rattlewood Golf Course (R), Twin Arch Industrial Park (S), Ridgeside Business Center (T). Display/hide their locations on the map

    Shopping Centers: Twin Arch Shopping Center (1), Mount Airy Shopping Center (2). Display/hide their locations on the map

    Churches in zip code 21771 include: Locust Grove Brethren Church (A), Mount Prospect Methodist Church (B), Marvin Chapel Methodist Church (C), Damascus Church of God (D), Faith Tabernacle Assembly of God (E), Calvary Lutheran Church (F), Fair View United Methodist Church (G), Mount Airy Methodist Church (H), Mount Olive United Methodist Church (I). Display/hide their locations on the map

    Cemeteries: Pine Grove Cemetery (1), Taylorsville Cemetery (2), Fair View Cemetery (3), Marvin Chapel Cemetery (4), Mount Prospect Cemetery (5), Locust Grove Cemetery (6). Display/hide their locations on the map

    Reservoirs: Lake Jennifer (A), Saint Clair Farm Pond (B). Display/hide their locations on the map

    Streams, rivers, and creeks: North Fork Linganore Creek (A), Middle Run (B), Talbot Branch (C), Flickinger Branch (D), South Fork Bens Branch (E), South Fork Linganore Creek (F), North Fork Bens Branch (G), Hay Meadow Branch (H), Weldon Creek (I). Display/hide their locations on the map

    Parks in zip code 21771 include: Mount Airy Carnival Grounds (1), Salt Box Park (2), Poplar Springs Park (3), Watkins Park (4), Izaak Walton League Reservation (5), Prospect Avenue Park (6), Mount Airy Historic District (7). Display/hide their locations on the map

Year house built
  • Year house built (houses)
  • 4712014 or later
  • 1932010 to 2013
  • 1,6962000 to 2009
  • 2,1131990 to 1999
  • 2,2051980 to 1989
  • 2,1901970 to 1979
  • 5401960 to 1969
  • 3201950 to 1959
  • 1831940 to 1949
  • 6081939 or earlier

Zip code 21771 satellite photo by USGS

Owner-occupied Renter-occupied
Bedrooms in owner-occupied houses and condos in Mount Airy, MD (21771)
  • Bedrooms in owner-occupied houses and condos in Mount Airy, MD (21771)
  • 13no bedroom
  • 461 bedroom
  • 5142 bedrooms
  • 3,5453 bedrooms
  • 4,0524 bedrooms
  • 1,2335+ bedrooms
Bedrooms in renter-occupied apartments in Mount Airy, MD (21771)
  • Bedrooms in renter-occupied apartments in Mount Airy, MD (21771)
  • 22no bedroom
  • 391 bedroom
  • 2912 bedrooms
  • 2723 bedrooms
  • 1634 bedrooms
  • 05+ bedrooms
Owner-occupied Renter-occupied
Cars and other vehicles available in Mount Airy, MD (21771) in owner-occupied houses/condos
  • Cars and other vehicles available in Mount Airy, MD (21771) in owner-occupied houses/condos
  • 116no vehicle
  • 9951 vehicle
  • 3,7792 vehicles
  • 2,5803 vehicles
  • 1,2044 vehicles
  • 7685+ vehicles
Cars and other vehicles available in Mount Airy, MD (21771) in renter-occupied apartments
  • Cars and other vehicles available in Mount Airy, MD (21771) in renter-occupied apartments
  • 61no vehicle
  • 3391 vehicle
  • 2282 vehicles
  • 923 vehicles
  • 454 vehicles
  • 355+ vehicles

  • Zip code 21771 household income distribution in 2019

  • Zip code 21771 household income distribution in 2019
  • 244Less than $10,000
  • 94$10,000 to $14,999
  • 74$15,000 to $19,999
  • 163$20,000 to $24,999
  • 198$25,000 to $29,999
  • 168$30,000 to $34,999
  • 158$35,000 to $39,999
  • 183$40,000 to $44,999
  • 114$45,000 to $49,999
  • 406$50,000 to $59,999
  • 747$60,000 to $74,999
  • 1,033$75,000 to $99,999
  • 1,271$100,000 to $124,999
  • 1,330$125,000 to $149,999
  • 1,974$150,000 to $199,999
  • 2,342$200,000 or more
  • Estimate of home value of owner-occupied houses/condos in 2019 in zip code 21771

  • Estimate of home value of owner-occupied houses/condos in 2019 in zip code 21771
  • 49Less than $10,000
  • 11$10,000 to $14,999
  • 44$15,000 to $19,999
  • 23$25,000 to $29,999
  • 30$30,000 to $34,999
  • 16$35,000 to $39,999
  • 22$40,000 to $49,999
  • 33$50,000 to $59,999
  • 13$70,000 to $79,999
  • 9$80,000 to $89,999
  • 23$90,000 to $99,999
  • 33$100,000 to $124,999
  • 10$125,000 to $149,999
  • 68$150,000 to $174,999
  • 87$175,000 to $199,999
  • 469$200,000 to $249,999
  • 880$250,000 to $299,999
  • 2,877$300,000 to $399,999
  • 2,444$400,000 to $499,999
  • 2,642$500,000 to $749,999
  • 431$750,000 to $999,999
  • 34$1,000,000 to $1,499,999
  • 21$2,000,000 or more
  • Rent paid by renters in 2019 in zip code 21771

  • Rent paid by renters in 2019 in zip code 21771
  • 8$400 to $449
  • 34$500 to $549
  • 4$650 to $699
  • 5$700 to $749
  • 69$750 to $799
  • 52$800 to $899
  • 50$900 to $999
  • 125$1,000 to $1,249
  • 114$1,250 to $1,499
  • 252$1,500 to $1,999
  • 34$2,000 to $2,499
  • 67No cash rent

Median gross rent in 2019: $1,558.


Median price asked for vacant for-sale houses and condos in 2019: $426,743.

Estimated median house (or condo) value in 2019 for:

  • White Non-Hispanic householders: $449,435
  • Black or African American householders: $391,856
  • Asian householders: $597,723
  • Some other race householders: $628,341
  • Two or more races householders: $361,696
  • Hispanic or Latino householders: $496,960

Estimated median house or condo value in 2019: $454,462
21771:

$454,462
Maryland:

$332,500
Lower value quartile - upper value quartile: $358,675 - $579,663

Mean price in 2019:

Detached houses: $478,818
Here:

$478,818
State:

$437,771

Townhouses or other attached units: $312,287
Here:

$312,287
State:

$269,747

Mobile homes: $30,213
Here:

$30,213
State:

$89,075
Owners and renters by unit type in zip code 21771
Breakdown of mean house values by ages of householders

Housing units in structures:

  • One, detached: 8,867
  • One, attached: 1,082
  • Two: 30
  • 3 or 4: 24
  • 10 to 19: 29
  • 20 to 49: 18
  • 50 or more: 27
  • Mobile homes: 381

Unemployment: 2.5%

  • Means of transportation to work in zip code 21771

  • Means of transportation to work in zip code 21771
  • 82.6%13,374Drove a car alone
  • 6.6%1,073Carpooled
  • 0.2%30Bus or trolley bus
  • 0.4%65Streetcar or trolley car
  • 0.0%7Subway or elevated
  • 0.1%14Railroad
  • 0.0%1Taxi
  • 0.1%24Motorcycle
  • 0.5%83Walked
  • 0.5%84Other means
  • 9.2%1,491Worked at home
  • Travel time to work (commute) in zip code 21771

  • Travel time to work (commute) in zip code 21771
  • 169Less than 5 minutes
  • 8355 to 9 minutes
  • 91110 to 14 minutes
  • 99815 to 19 minutes
  • 1,08920 to 24 minutes
  • 80125 to 29 minutes
  • 1,45230 to 34 minutes
  • 72535 to 39 minutes
  • 1,10940 to 44 minutes
  • 3,21845 to 59 minutes
  • 2,76360 to 89 minutes
  • 68190 or more minutes

Percentage of zip code residents living and working in this county: 32.8%

Household type by relationship:

Households: 30,227
  • Male householders: 5,361 (589 living alone), Female householders: 4,764 (911 living alone)
  • 7,107 spouses (7,007 opposite-sex spouses), 444 unmarried partners, (434 opposite-sex unmarried partners), 9,809 children (9,124 natural, 252 adopted, 434 stepchildren), 584 grandchildren, 198 brothers or sisters, 410 parents, 45 foster children, 488 other relatives, 750 non-relatives
  • In group quarters: 214 (-1 institutionalized population)

Size of family households: 3,013 2-persons, 1,821 3-persons, 2,133 4-persons, 672 5-persons, 310 6-persons, 206 7-or-more-persons

Size of nonfamily households: 1,500 1-person, 362 2-persons, 9 3-persons, 9 4-persons, 17 5-persons

5,431 married couples with children.
867 single-parent households (442 men, 425 women).

93.6% of residents of 21771 zip code speak English at home.
3.3% of residents speak Spanish at home (61% very well, 26% well, 13% not well).
1.5% of residents speak other Indo-European language at home (74% very well, 20% well, 6% not well).
0.8% of residents speak Asian or Pacific Island language at home (75% very well, 25% well).
0.4% of residents speak other language at home (51% very well, 49% well).

Foreign born population: 1,315 (4.4%)
(64.2% of them are naturalized citizens)
This zip code:

4.4%
Whole state:

15.4%
Most common places of birth for foreign-born residents
  • 9%Japan
  • 9%Costa Rica
  • 8%Bangladesh
  • 7%Chile
  • 7%France
  • 7%Honduras
  • 5%Serbia
Most common first ancestries reported in 21771
  • 15%American
  • 14%German
  • 8%Irish
  • 8%European
  • 7%English
  • 5%Italian
  • 3%Polish
Year of entry for the foreign-born population
  • Year of entry for the foreign-born population
  • 3292010 or later
  • 4112000 to 2009
  • 2451990 to 1999
  • 698Before 1990

Zip code 21771 topographic map

Major facilities with environmental interests located in this zip code:

  • MOUNT AIRY MIDDLE SCHOOL (102 WATERSVILLE ROAD in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    (National Center for Education Statistics) - STATE ID-061306
    HAZARDOUS WASTE BIENNIAL REPORTER (Resource Conservation and Recovery Act (tracking hazardous waste))
    Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
    Business SIC classification: ELEMENTARY AND SECONDARY SCHOOLS
    Organizations: CARROLL COUNTY BOARD OF EDUCATION (CONTACT/OWNER) , CARROLL COUNTY PUBLIC SCHOOLS (SCHOOL DISTRICT)
    Alternative names: MT AIRY MIDDLE SCHOOL
  • PEACOCK CLEANERS (508 RIDGEVILLE, BOULEVARD in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    STATE MASTER (Maryland tracking) - HAZARDOUS WASTE PROGRAM
    Business SIC classification: DRYCLEANING PLANTS, EXCEPT RUG CLEANING
    Alternative names: PEACOCK CLNRS
  • MT AIRY CLEANERS (1502 S MAIN ST in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
    Business SIC classification: DRYCLEANING PLANTS, EXCEPT RUG CLEANING
    Organizations: OPERNAME (CONTACT/OPERATOR) , IK JOO CHA (CONTACT/OWNER)
  • MOUNT AIRY ELEMENTARY SCHOOL (405 MAIN STREET NORTH in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
    Business SIC classification: ELEMENTARY AND SECONDARY SCHOOLS
    Organizations: CARROLL CNTY BD OF EDUCATION (CONTACT/OWNER)
    Alternative names: MT AIRY ELEM SCHL, MT AIRY ELEMENTARY SCHOOL
  • MOUNT AIRY WWTP (7245 RIDGE ROAD in MOUNT AIRY, MD)
    STATE MASTER (Maryland Permits tracking) - NPDES NON-MAJOR, SEWAGE SLUDGE UTILIZATION
    National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
    Business SIC classification: SEWERAGE SYSTEMS
    Organizations: MOUNT AIRY MAYOR AND COUNCIL (CONTACT/OWNER)
    Alternative names: MT. AIRY MAYOR AND COUNCIL
  • 7 11 STORE 1610 RIDGESIDE DRIVE (1610 RIDGESIDE DRIVE in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Business SIC classification: GROCERY STORES
  • CAR ENTERPRISES - 4 RIDGEVILLE BLVD (4 RIDGEVILLE BOULEVRD in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Business SIC classification: GASOLINE SERVICE STATIONS
    Alternative names: RIDGEVILLE GAS N GO
  • MOUNT AIRY COLLISION CENTER (1302 RISING RIDGE ROAD in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Business SIC classification: TOP, BODY, AND UPHOLSTERY REPAIR SHOPS AND PAINT SHOPS
    Alternative names: MT AIRY COLLISION CENTER
  • MT. AIRY SNAX - 502 EAST RIDGEVILLE (502 RIDGEVILLE ROAD, EAST in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Business SIC classification: GROCERY STORES
  • PHEASANT RIDGE WWTP (7848 EAST HILL ROAD in MT AIRY, MD)
    STATE MASTER (Maryland Permits tracking) - NPDES NON-MAJOR
    National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
    Business SIC classification: SEWERAGE SYSTEMS; RECREATIONAL VEHICLE PARKS AND CAMPSITES
    Alternative names: PHEASANT RIDGE ESTATES W.W.T.P
  • ETZLER ALL CUSTOM CABINET WORKS (6218 NEW LONDON ROAD in MOUNT AIRY, MD)
    AIR MINOR (AIRS/AFS)
    STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
    Business SIC classification: WOOD KITCHEN CABINETS
  • ADMIRAL CLEANERS - TWIN ARCH (ROUTE 27 & TWIN ARCH in MT. AIRY, MD)
    AIR MINOR (AIRS/AFS)
    Business SIC classification: DRYCLEANING PLANTS, EXCEPT RUG CLEANING
  • ALLEGHENY POWER MT AIRY SVC CTR (2901 BACK ACRES CIR in MT AIRY, MD)
    Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste))
    Business NAICS classification: ELECTRIC POWER DISTRIBUTION.
    Organizations: THE POTOMAC EDISON POWER CO DBA (CONTACT/OPERATOR)

Zip code 21771 marital status for males
Zip code 21771 marital status for females

Housing units lacking complete plumbing facilities: 0.7%
Housing units lacking complete kitchen facilities: 0.8%

Most commonly used house heating fuel
  • 49.8%Electricity
  • 24.0%Utility gas
  • 14.1%Fuel oil, kerosene, etc.
  • 6.6%Bottled, tank, or LP gas
  • 3.5%Wood
  • 1.1%Other fuel

Population in 1990: 21,912. Population change in the 1990s: +3,782 (+17.3%).

Place of birth for U.S.-born residents:

  • This state: 17,901
  • Northeast: 3,804
  • Midwest: 1,248
  • South: 4,732
  • West: 797

61% of the 21771 zip code residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 31% lived in this county.
   Out of people who lived in different counties, 50% lived in Maryland.

93% of the 21771 zip code residents lived in the same house 1 year ago.
   Out of people who lived in different houses, 25% moved from this county.
   Out of people who lived in different houses, 60% moved from different county within same state.
   Out of people who lived in different houses, 18% moved from different state.
   Out of people who lived in different houses, 2% moved from abroad.

Year householders moved into unit in Mount Airy, MD (21771)

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school): 421
Here:

12.2%
Maryland:

13.6%
Students in private schools in grades 9 to 12 (high school): 311
Here:

17.4%
Maryland:

14.9%
Students in private undergraduate colleges: 259
Here:

19.4%
Maryland:

18.4%
Educational Attainment in 2019
School Enrollment by Level of School in 2019
Class of Workers in 2019
Occupation by median earnings in the past 12 months
  • Occupation by median earnings in the past 12 months ($)
  • 149,641Law enforcement workers including supervisors
  • 127,956Computer and mathematical occupations
  • 110,294Life, physical, and social science occupations
  • 99,451Management occupations
  • 91,611Legal occupations
  • 91,245Architecture and engineering occupations

Companies with biggest federal contracts located in this zip code (MOUNT AIRY, MD):

  • HURLEY AND ASSOCIATES, INC (4757 BUFFALO RD; small business) : $1,318,422 in 24 contracts from 1999 to 2005
    Contracts for Photographic Sets, Kits, and Outfits, Photographic Equipment and Accessories, Night Vision Equipment, Emitted and Reflected Radiation, Laboratory Equipment and Supplies, and more by Air Force, U.S. Secret Service, U.S. Secret Service (disused code: now 7009), Navy, and others
    Signed by year: 2000: $0; 2001: $93,859; 2002: $164,964; 2003: $964,864; 2004: -$29,560; 2005: $11,820; 2006: $0.

    Biggest contracts:
    $454,181 with Air Force for Photographic Sets, Kits, and Outfits. Signed on 2003-08-14. Completion date: 2003-09-30.
    $96,870 with U.S. Secret Service for Photographic Equipment and Accessories. Signed on 2003-04-15. Completion date: 2003-05-15.
    $90,000 with U.S. Secret Service (disused code: now 7009) for Night Vision Equipment, Emitted and Reflected Radiation. Signed on 2002-08-15. Completion date: 2002-09-15.
    $68,000 with Navy for Night Vision Equipment, Emitted and Reflected Radiation. Signed on 1999-10-19. Completion date: 2000-02-25.
  • RESPONDERS RESOURCE TECHNOLOGI (16185 OLD FREDERICK RD; small business) : $309,695 in 13 contracts from 2005 to 2006
    Contracts for Other Education and Training Services, Mobilization/Preparedness Studies, Reserve Training (Military), Lectures For Training, and more by Army, U.S. Special Operations Command
    Signed by year: 2000: $0; 2001: $0; 2002: $0; 2003: $0; 2004: $0; 2005: $193,558; 2006: $116,137.

    Biggest contracts:
    $63,444 with Army for Other Education and Training Services. Signed on 2006-05-31. Completion date: 2006-08-04.
    $34,233, same as above. Signed on 2005-12-21. Completion date: 2006-01-06.
    $23,143 with Army for Other Education and Training Services. Taking place in WI. Signed on 2006-02-14. Completion date: 2006-02-02.
    $22,897 with Army for Other Education and Training Services. Signed on 2005-05-05. Completion date: 2005-08-05.
  • THE DAYTNER CORPORATION (303 THORNBERRY CT; small business) : $287,371 in 3 contracts in 2006
    $200,011 with Navy for Technical Assistance. Signed on 2006-04-19. Completion date: 2007-04-17.
    $87,360, same as above. Signed on 2006-05-24. Completion date: 2006-12-08.
    $0, same as above. Signed on 2006-04-19. Completion date: 2007-04-17.
  • LONE STAR SOFTWARE CORP (509 E RIDGEVILLE BLVD; small business) : $157,370 in 3 contracts from 2001 to 2004
    $76,320 with Army for ADP Software. Signed on 2004-08-31. Completion date: 2004-09-13.
    $50,000 with Air Force for ADPE System Configuration. Signed on 2001-05-01. Completion date: 2001-05-01.
    $31,050, same as above. Signed on 2004-05-24. Completion date: 2004-06-25.
  • WTM CONSULTING, INC (4404 ROBMAR DRIVE; small business) : $153,144 in 2 contracts in 2003
    $99,700 with Navy for Miscellaneous Items. Signed on 2003-07-22. Completion date: 2003-12-01.
    $53,444, same as above. Signed on 2003-05-20. Completion date: 2003-07-31.
  • DATUS CORP (106 E RIDGEVILLE BLVD SU; small business) : $66,671 in 6 contracts from 2004 to 2005
    Contracts for Electrical Hardware and Supplies, Cable, Cord, and Wire Assemblies: Communications Equipment by Defense Logistics Agency, Army
    Signed by year: 2000: $0; 2001: $0; 2002: $0; 2003: $0; 2004: $6,968; 2005: $59,703; 2006: $0.

    Biggest contracts:
    $31,725 with Defense Logistics Agency for Electrical Hardware and Supplies. Signed on 2005-02-11. Completion date: 2005-04-12.
    $20,230, same as above. Signed on 2005-09-14. Completion date: 2005-11-05.
    $4,045 with Army for Cable, Cord, and Wire Assemblies: Communications Equipment. Signed on 2004-07-30. Completion date: 2004-10-01.
    $3,968 with Defense Logistics Agency for Electrical Hardware and Supplies. Signed on 2005-04-15. Completion date: 2005-06-14.
  • LESLIE CHANEY (5318 DOVE DRIVE; small business) : $54,697 in 2 contracts from 2001 to 2005
    $66,578 with Army for Chemical/Biological Studies and Analyses. Signed on 2001-08-16. Completion date: 2002-09-30.
    -$11,881, same as above. Signed on 2005-05-05. Completion date: 2002-09-30.
  • TDK SYSTEMS GROUP INC (13688 SAM HILL DR; small business)
    $49,844 with Army for Aerial Fertilization/Spraying Services. Taking place in VA. Signed on 2000-09-11. Completion date: 2000-09-20.
  • PHASE INC (1604 BACK ACRE CIRCLE; small business)
    250 employees, $0 revenue. : $47,917 in 3 contracts from 2001 to 2006
    $29,892 with Navy for Hardware, Commercial. Signed on 2001-05-03. Completion date: 2001-07-30.
    $11,265 with Navy for Guided Missile Components. Signed on 2006-01-26. Completion date: 2006-03-17.
    $6,760 with Navy for Plumbing Fixtures and Accessories. Signed on 2005-03-21. Completion date: 2005-04-25.
  • WEBSTER RESEARCH CORPORATION (3904 TWIN ARCH RD; small business)
    $39,360 with National Geospatial-Intelligence Agency for Miscellaneous Defense Hard Goods -- Management and Support (R&D). Signed on 2004-05-03. Completion date: 2004-09-30.

Top industries in this zip code by the number of employees in 2005:

  • Accommodation and Food Services: Full-Service Restaurants (50-99 employees: 3 establishments, 20-49 employees: 4 establishments, 10-19 employees: 6 establishments)
  • Construction: Site Preparation Contractors (100-249: 2, 20-49: 1, 10-19: 1, 5-9: 3, 1-4: 14)
  • Health Care and Social Assistance: Nursing Care Facilities (100-249: 2)
  • Accommodation and Food Services: Limited-Service Restaurants (20-49: 5, 10-19: 5, 5-9: 1, 1-4: 5)
  • Construction: Plumbing, Heating, and Air-Conditioning Contractors (100-249: 1, 10-19: 2, 5-9: 5, 1-4: 13)
  • Construction: Electrical Contractors (20-49: 2, 10-19: 5, 5-9: 6, 1-4: 25)
  • Administrative and Support and Waste Management and Remediation Services: Landscaping Services (20-49: 2, 10-19: 2, 5-9: 9, 1-4: 26)
  • Arts, Entertainment, and Recreation: Fitness and Recreational Sports Centers (100-249: 1, 5-9: 1, 1-4: 2)
  • Construction: New Housing Operative Builders (100-249: 1, 1-4: 3)

Age and Sex of Sensory-Disabled Noninstitutionalized Residents
Age and Sex of Physically-Disabled Noninstitutionalized Residents
Age and Sex of Mentally-Disabled Noninstitutionalized Residents
Age and Sex of Self-Care Disabled Noninstitutionalized Residents
Age and Sex of Go-Outside-Home Disabled Noninstitutionalized Residents
Age and Sex of Noninstitutionalized Residents with Employment Disability

People in group quarters in 2010:

  • 168 people in nursing facilities/skilled-nursing facilities
  • 15 people in workers' group living quarters and job corps centers
  • 2 people in group homes intended for adults

People in group quarters in 2000:

  • 11 people in other noninstitutional group quarters
  • 8 people in homes for the physically handicapped
  • 8 people in other group homes

Fatal accident statistics in 2014:

  • Fatal accident count: 4
  • Vehicles involved in fatal accidents: 5
  • Fatal accidents caused by drunken drivers: 1
  • Fatalities: 4
  • Persons involved in fatal accidents: 15
  • Pedestrians involved in fatal accidents: 0

Fatal accident statistics in 2013:

  • Fatal accident count: 3
  • Vehicles involved in fatal accidents: 6
  • Fatal accidents caused by drunken drivers: 3
  • Fatalities: 4
  • Persons involved in fatal accidents: 7
  • Pedestrians involved in fatal accidents: 0
Home Mortgage Disclosure Act Aggregated Statistics For Year 2009
(Based on 2 full and 12 partial tracts)
A) FHA, FSA/RHS & VA
Home Purchase Loans
B) Conventional
Home Purchase Loans
C) Refinancings
D) Home Improvement Loans
E) Loans on Dwellings For 5+ Families
F) Non-occupant Loans on
< 5 Family Dwellings (A B C & D)
G) Loans On Manufactured
Home Dwelling (A B C & D)
NumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage Value
LOANS ORIGINATED235$326,618264$308,8512,484$285,227120$160,0112$652,66042$234,4111$88,560
APPLICATIONS APPROVED, NOT ACCEPTED10$322,39134$347,809171$304,35515$185,1190$011$298,5640$0
APPLICATIONS DENIED16$333,63520$356,638603$313,45443$82,7520$015$258,0010$0
APPLICATIONS WITHDRAWN15$361,11834$262,941487$319,96521$154,9850$024$319,3100$0
FILES CLOSED FOR INCOMPLETENESS4$346,3606$297,910114$311,2481$81,6100$06$344,9880$0
Private Mortgage Insurance Companies Aggregated Statistics For Year 2009
(Based on 2 full and 12 partial tracts)
A) Conventional
Home Purchase Loans
B) Refinancings
NumberAverage ValueNumberAverage Value
LOANS ORIGINATED38$310,66234$358,025
APPLICATIONS APPROVED, NOT ACCEPTED14$368,52219$324,855
APPLICATIONS DENIED8$374,42317$311,081
APPLICATIONS WITHDRAWN4$340,7706$370,705
FILES CLOSED FOR INCOMPLETENESS5$364,3702$396,580
Conventional Home Purchase Loans in zip code 21771
Conventional Home Purchase Loans in zip code 21771 - Value

2002 - 2018 National Fire Incident Reporting System (NFIRS) incidents

    Fire incident distribution by year Based on the data from the years 2002 - 2018 the average number of fire incidents per year is 145. The highest number of fire incidents - 204 took place in 2011, and the least - 96 in 2004. The data has a growing trend.
    Fire incident types in Zip Code 21771 When looking into fire subcategories, the most reports belonged to: Structure Fires (58.2%), and Outside Fires (23.1%).

    • Fire incident types reported to NFIRS in Zip Code 21771
    • 1,43558.2%Structure Fires
    • 57023.1%Outside Fires
    • 29512.0%Mobile Property/Vehicle Fires
    • 1646.7%Other

See full 2006 National Fire Incident Reporting System statistics for zip code 21771, Maryland

Most common first names in zip code 21771 among deceased individuals
NameCountLived (average)
Mary12480.3 years
John9975.7 years
William9074.6 years
Charles8175.1 years
James7873.0 years
Robert7770.4 years
George6375.5 years
Ruth4583.0 years
Helen4481.1 years
Margaret4076.9 years
Most common last names in zip code 21771 among deceased individuals
Last nameCountLived (average)
Smith4471.0 years
Brown4078.1 years
Jones3176.4 years
Dorsey2673.1 years
Watkins2283.2 years
Johnson2178.1 years
Mullinix2081.4 years
Myers2075.0 years
Pickett2079.6 years
Thompson1970.1 years
Businesses in zip code 21771
NameCountNameCount
7-Eleven1MasterBrand Cabinets4
Ace Hardware1McDonald's1
Advance Auto Parts1Penske1
Arby's1Pizza Hut1
Baskin-Robbins1Quiznos1
Burger King1RadioShack1
CVS1Rite Aid1
Chipotle1Safeway1
Curves1Starbucks2
Domino's Pizza1Subway1
Dunkin Donuts1T-Mobile2
FedEx3T.J.Maxx1
Ford1Taco Bell1
GNC1U-Haul2
GameStop1UPS2
H&R Block1Vons1
Jones New York1Walmart1
KFC1
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