Median household income (1999): $41,211
Estimated median household income in 2005: $48,011
| This zip code | $48,011 | | Maryland: | $61,592 |
Nearest zip codes: 21643, 21664, 21632, 21629, 21625, 21631.
Housing units in zip code 21655 with a mortgage: 804 (84 second mortgage, 86 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 320
Median monthly owner costs for units with a mortgage: $870
Median monthly owner costs for units without a mortgage: $272
Residents with income below the poverty level in 1999:
| This zip code: | 9.2% | | Whole state: | 8.5% |
Residents with income below 50% of the poverty level in 1999:
| This zip code: | 2.7% | | Whole state: | 4.2% |
Median number of rooms in houses and condos:
| Here: | 6.1 | | State: | 6.9 |
Median number of rooms in apartments:
| Here: | 5.4 | | State: | 4.2 |
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Notable locations in this zip code not listed on our city pages:
Notable locations in zip code 21655: Todd Wharf (A), Two Johns (B). Display/hide their locations on the map
Churches in zip code 21655 include: Todds Chapel (A), Johns Church (B), Harmony United Methodist Church (C), Coppins Chapel (D), Mount Zoar Church (E), Mount Zion Pentecostal Holiness Church (F), Mount Calvary Church (G). Display/hide their locations on the map
Cemeteries: Coppins Chapel Cemetery (1), Todds Chapel Cemetery (2), Johns Cemetery (3), Smithson Cemetery (4), Mount Pleasant Cemetery (5). Display/hide their locations on the map
Reservoir: Linchester Mill Pond (A). Display/hide its location on the map
Streams, rivers, and creeks: Dawson Branch (A), Skeleton Creek (B), Crowberry Creek (C), Berry Run (D), Hog Creek (E), Mitchell Run (F), Fox Creek (G), Fowling Creek (H). Display/hide their locations on the map
Post offices: Bethlehem Post Office (A), Preston Post Office (B). Display/hide their locations on the map
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Year house built: |
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- 1999 to March 2000: 68
- 1995 to 1998: 197
- 1990 to 1994: 244
- 1980 to 1989: 275
- 1970 to 1979: 354
- 1960 to 1969: 198
- 1950 to 1959: 199
- 1940 to 1949: 137
- 1939 or earlier: 309
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Bedrooms in owner-occupied houses in Preston, MD (21655): |
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- no bedroom: 0
- 1 bedrooms: 77
- 2 bedrooms: 284
- 3 bedrooms: 921
- 4 bedrooms: 202
- 5 or more bedrooms: 36
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 6
- 1 bedrooms: 44
- 2 bedrooms: 101
- 3 bedrooms: 89
- 4 bedrooms: 44
- 5 or more bedrooms: 15
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Vehicles available in 21655 zip code in owner-occupied houses/condos: |
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- no vehicle: 24
- 1 vehicle: 343
- 2 vehicles: 712
- 3 vehicles: 306
- 4 vehicles: 91
- 5 or more vehicles: 44
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 5
- 1 vehicle: 123
- 2 vehicles: 110
- 3 vehicles: 50
- 4 vehicles: 11
- 5 or more vehicles: 0
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Estimated household income distribution in 2005:

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Estimate of home value of owner-occupied houses/condos in 2005 in zip code 21655:
- Less than $10,000: 11
- $10,000 to $14,999: 15
- $25,000 to $29,999: 2
- $30,000 to $34,999: 3
- $35,000 to $39,999: 6
- $40,000 to $49,999: 29
- $50,000 to $59,999: 19
- $60,000 to $69,999: 59
- $70,000 to $79,999: 75
- $80,000 to $89,999: 163
- $90,000 to $99,999: 177
- $100,000 to $124,999: 253
- $125,000 to $149,999: 173
- $150,000 to $174,999: 66
- $175,000 to $199,999: 32
- $200,000 to $249,999: 22
- $250,000 to $299,999: 10
- $300,000 to $399,999: 9
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Rent paid by renters in 2000 in zip code 21655:
- $100 to $149: 26
- $150 to $199: 9
- $300 to $349: 23
- $350 to $399: 45
- $400 to $449: 64
- $450 to $499: 20
- $500 to $549: 10
- $550 to $599: 8
- $600 to $649: 2
- $650 to $699: 6
- No cash rent: 55
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Median price asked for vacant for-sale houses in 2000: $93,300
Estimated median house (or condo) value in 2005 for: - White Non-Hispanic householders: $202,573
- Black or African American householders: $151,734
- Asian householders: $87,990
- Two or more races householders: $268,859
Housing units in structures:
- One, detached: 1,715
- One, attached: 2
- Two: 31
- 3 or 4: 7
- 5 to 9: 8
- Mobile homes: 215
- Boats, RVs, vans, etc.: 3

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Means of transportation to work
- Drove a car alone: 1,983 (79%)
- Carpooled: 282 (11%)
- Bus or trolley bus: 10 (0%)
- Bicycle: 8 (0%)
- Walked: 31 (1%)
- Other means: 7 (0%)
- Worked at home: 178 (7%)
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Travel time to work
- Less than 5 minutes: 102
- 5 to 9 minutes: 111
- 10 to 14 minutes: 266
- 15 to 19 minutes: 426
- 20 to 24 minutes: 475
- 25 to 29 minutes: 138
- 30 to 34 minutes: 295
- 35 to 39 minutes: 70
- 40 to 44 minutes: 57
- 45 to 59 minutes: 177
- 60 to 89 minutes: 104
- 90 or more minutes: 100
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Percentage of zip code residents living and working in this county: 37.1%
Household type by relationship
Households: 4,862
- In family households: 4,306 (1,154 male householders, 250 female householders)
1,161 spouses, 1,366 children (1,227 natural, 75 adopted, 64 stepchildren), 179 grandchildren, 6 brothers or sisters, 25 parents, 93 other relatives, 72 non-relatives
- In nonfamily households: 556 (199 male householders (125 living alone)), 231 female householders (185 living alone)), 126 nonrelatives
Size of family households: 596 2-persons, 325 3-persons, 329 4-persons, 120 5-persons, 27 6-persons, 7 7-or-more-persons.
Size of nonfamily households: 310 1-person, 102 2-persons, 18 3-persons.
785 married couples with children.
300 single-parent households (91 men, 209 women).
98.9% of residents of 21655 zip code speak English at home.
0.5% of residents speak other Indo-European language at home (52% very well, 48% not well).
0.2% of residents speak Asian or Pacific Island language at home (100% very well).
0.3% of residents speak other language at home (100% very well).
Foreign born population: 44 (0.9%)
(36.4% of them are naturalized citizens)
| This zip code: | 0.9% | | Whole state: | 9.8% |
Most common places of birth for the foreign-born residents:
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- Other Northern Africa (34%)
- United Kingdom (25%)
- India (18%)
- Trinidad and Tobago (16%)
- Japan (5%)
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Year of entry for the foreign-born population |
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- 1995 to March 2000: 8
- 1990 to 1994: 1
- 1985 to 1989: 0
- 1980 to 1984: 12
- 1975 to 1979: 7
- 1970 to 1974: 6
- 1970 to 1974: 0
- 1965 to 1969: 10
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First ancestries reported:
- Other groups: 782
- English: 618
- German: 604
- United States or American: 567
- Irish: 238
- Polish: 127
- Italian: 77
- Dutch: 62
- French (except Basque): 55
- Scottish: 42
- European: 40
- Scotch-Irish: 38
- British: 37
- Slovak: 36
- Arab:: 15
- Moroccan: 15
- Subsaharan African:: 12
- African: 12
- Turkish: 8
- Norwegian: 7
- Russian: 7
- West Indian (excluding Hispanic groups):: 7
- Trinidadian and Tobagonian: 7
- French Canadian: 5
- Finnish: 4
- Czechoslovakian: 2
- Eastern European: 2
- Portuguese: 2

Facitilies with environmental interests located in this zip code:
- PRESTON WWTP (21269 DOVER BRIDGE ROAD #23 in PRESTON, MD)
STATE MASTER (Maryland Permits tracking) - NPDES NON-MAJOR
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
COMMUNITY WATER SYSTEM (SDWIS) - SDWIS-MD0050005 1, WATER TREATMENT PLANT
Business SIC classification: SEWERAGE SYSTEMS
Alternative names: PRESTON, COMMISSIONERS OF
- PRESTON ELEMENTARY SCHOOL (225 MAIN STREET in PRESTON, MD)
AIR MINOR (AIRS/AFS)
(Geographic Names Information System)
(National Center for Education Statistics) - STATE ID-050401
Business SIC classification: ELEMENTARY AND SECONDARY SCHOOLS
Organizations: CAROLINE COUNTY BOARD OF EDUCATION (SCHOOL DISTRICT)
Alternative names: PRESTON SCHOOL
- CITGO - RT. 318, PRESTON (ROUTE 318 in PRESTON, MD)
AIR MINOR (AIRS/AFS)
STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
Business SIC classification: GASOLINE SERVICE STATIONS
- LEGATES CANNING (BOX 25 TANYARD ROAD in PRESTON, MD)
AIR MINOR (AIRS/AFS)
STATE MASTER (Maryland Air Emissions Database) - AIR MINOR
Business SIC classification: CANNED FRUITS, VEGETABLES, PRESERVES, JAMS, AND JELLIES
- PRESTON TRUCKING COMPANY INCORPORATED (151 EASTON BLVD in PRESTON, MD)
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
Organizations: OPERNAME (CONTACT/OPERATOR)
, PRESTON TRUCKING CO INC (CONTACT/OWNER)
- PRESTON FORD INC (210 S MAIN ST in PRESTON, MD)
Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
Organizations: OPERNAME (CONTACT/OPERATOR)
, SHOWELL FRANK & WILSON DAVID (CONTACT/OWNER)
- PRESTON TREE NURSERY (3424 GALLAGHER RD in PRESTON, MD)
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
Organizations: STATE OF MARYLAND DNR (CONTACT/OWNER)
Median worth of mobile homes: $43,300
Housing units lacking complete plumbing facilities: 3%
Housing units lacking complete kitchen facilities: 2%
Most commonly used house heating fuel: |
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- Fuel oil, kerosene, etc. (36%)
- Electricity (34%)
- Bottled, tank, or LP gas (22%)
- Wood (5%)
- Utility gas (2%)
- Other fuel (1%)
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Place of birth for U.S.-born residents:
- This state: 3696
- Northeast: 480
- Midwest: 49
- South: 495
- West: 58
68% of the 21655 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 44% lived in this county.
Out of people who lived in different counties, 73% lived in Maryland.
Population in 1990: 4,425. Population change in the 1990s: +358 (+8.1%).
Year Householders Moved Into Unit:
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Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 31
| Here: | 5.6% | | Maryland: | 14.8% |
Students in private schools in grades 9 to 12 (high school): 13
| Here: | 5.4% | | Maryland: | 13.3% |
Students in private undergraduate colleges: 22
| Here: | 13.8% | | Maryland: | 21.7% |
School Enrollment by Level of School
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Top industries in this zip code by the number of employees in 2005:
- Finance and Insurance: Commercial Banking (20-49 employees: 1 establishment)
- Administrative and Support and Waste Management and Remediation Services: Office Administrative Services (20-49: 1)
- Administrative and Support and Waste Management and Remediation Services: Landscaping Services (10-19: 1, 1-4: 3)
- Construction: New Single-Family Housing Construction (except Operative Builders) (5-9: 1, 1-4: 5)
- Wholesale Trade: Wholesale Trade Agents and Brokers (10-19: 1, 1-4: 1)
Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)
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Age and Sex of Physically-Disabled Residents (Noninstitutionalized)
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Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)
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Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)
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Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)
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Age and Sex of Residents with Employment Disability (Noninst.)
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Accident statistics in 2006
- Accident count: 3
- Vehicles involved in accidents: 5
- Accidents caused by drunken drivers: 1
- Fatalities: 3
- Persons involved in accidents: 6
- Pedestrians involved in accidents: 0
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