Adelphi, Maryland

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Population in 2010: 15,086.
Population change since 2000: +0.6%
Males: 7,773  (51.5%)
Females: 7,313  (48.5%)
Median resident age:

36.1 years
Maryland median age:

38.7 years

Zip codes: 20740, 20782, 20783, 20903.

Adelphi Zip Code Map
Estimated median household income in 2017: $67,377 (it was $45,827 in 2000)
Adelphi:

$67,377
MD:

$80,776

Estimated per capita income in 2017: $32,242 (it was $20,952 in 2000)

Adelphi CDP income, earnings, and wages data

Estimated median house or condo value in 2017: $307,625 (it was $147,500 in 2000)
Adelphi:

$307,625
MD:

$312,500

Mean prices in 2017: all housing units: $291,525; detached houses: $315,231; townhouses or other attached units: $237,538; in 2-unit structures: over $1,000,000; in 3-to-4-unit structures: $486,540; in 5-or-more-unit structures: $133,839; mobile homes: $36,527; occupied boats, rvs, vans, etc.: $158,429

Median gross rent in 2017: $1,453.

March 2019 cost of living index in Adelphi: 167.2 (very high, U.S. average is 100)
Percentage of residents living in poverty in 2017: 12.5%
(13.9% for White Non-Hispanic residents, 9.5% for Black residents, 15.4% for Hispanic or Latino residents, 15.8% for other race residents, 27.1% for two or more races residents)
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  • Races in Adelphi, MD (2010)
    • 6,34542.1%Hispanic
    • 5,29135.1%Black alone
    • 1,98013.1%White alone
    • 1,1687.7%Asian alone
    • 2071.4%Two or more races
    • 530.4%Other race alone
    • 370.2%American Indian alone
    • 50.03%Native Hawaiian and Other
      Pacific Islander alone

Races in Adelphi detailed stats: ancestries, foreign born residents, place of birth



According to our research of Maryland and other state lists, there were 12 registered sex offenders living in Adelphi, Maryland as of June 01, 2020.
The ratio of all residents to sex offenders in Adelphi is 1,311 to 1.
The ratio of registered sex offenders to all residents in this city is lower than the state average.


Recent articles from our blog. Our writers, many of them Ph.D. graduates or candidates, create easy-to-read articles on a wide variety of topics.

Latest news from Adelphi, MD collected exclusively by city-data.com from local newspapers, TV, and radio stations

Ancestries: Ethiopian (4.7%), African (3.2%), Jamaican (2.2%), Haitian (2.0%), Nigerian (1.8%), American (1.5%).

Current Local Time: EST time zone

Elevation: 174 feet

Land area: 2.96 square miles.

Population density: 5,098 people per square mile   (average).

Adelphi, Maryland map

8,562 residents are foreign born (31.8% Latin America, 13.7% Africa, 7.4% Asia).

This place:

54.1%
Maryland:

100.0%

Median real estate property taxes paid for housing units with mortgages in 2017: $3,510 (1.1%)
Median real estate property taxes paid for housing units with no mortgage in 2017: $2,658 (1.1%)

Nearest city with pop. 50,000+: Silver Spring, MD (2.9 miles , pop. 76,540).

Nearest city with pop. 200,000+: Washington, DC (6.3 miles , pop. 572,059).

Nearest city with pop. 1,000,000+: Philadelphia, PA (119.4 miles , pop. 1,517,550).

Nearest cities:

Langley Park, MD (0.9 miles ),
Hillandale, MD (1.4 miles ),
Chillum, MD (1.4 miles ),
College Park, MD (1.5 miles ),
University Park, MD (1.5 miles ),
Takoma Park, MD (1.5 miles ),
Silver Spring, MD (1.7 miles ),
Hyattsville, MD (1.7 miles )

Latitude: 39.00 N, Longitude: 76.97 W

Daytime population change due to commuting: -6,449 (-40.8%)
Workers who live and work in this place: 463 (4.9%)

Distribution of median household income in Adelphi, MD in 2017
Distribution of house value in Adelphi, MD in 2017

Property values in Adelphi, MD

Adelphi satellite photo by USGS
Unemployment in March 2019:
Here:

3.9%
Maryland:

3.9%
Most common industries in Adelphi, MD (%)
Both Males Females
Most common industries in 2000
  • Educational services (15.8%)
  • Construction (9.9%)
  • Health care (9.4%)
  • Public administration (8.7%)
  • Professional, scientific, technical services (7.1%)
  • Accommodation & food services (5.6%)
  • Administrative & support & waste management services (5.5%)
Most common industries for males in 2000
  • Construction (16.8%)
  • Educational services (12.9%)
  • Public administration (9.9%)
  • Professional, scientific, technical services (7.1%)
  • Accommodation & food services (5.4%)
  • Administrative & support & waste management services (4.5%)
  • Health care (4.4%)
Most common industries for females in 2000
  • Educational services (19.2%)
  • Health care (15.2%)
  • Public administration (7.4%)
  • Professional, scientific, technical services (7.2%)
  • Administrative & support & waste management services (6.6%)
  • Accommodation & food services (5.9%)
  • Finance & insurance (4.0%)
Most common occupations in Adelphi, MD (%)
Both Males Females
Most common occupations in 2000
  • Postsecondary teachers (6.2%)
  • Building and grounds cleaning and maintenance occupations (6.0%)
  • Other management occupations, except farmers and farm managers (4.3%)
  • Other office and administrative support workers, including supervisors (3.8%)
  • Secretaries and administrative assistants (3.6%)
  • Computer specialists (3.3%)
  • Cashiers (3.2%)
Most common occupations for males in 2000
  • Postsecondary teachers (6.2%)
  • Other management occupations, except farmers and farm managers (4.8%)
  • Building and grounds cleaning and maintenance occupations (4.5%)
  • Painters and paperhangers (4.4%)
  • Computer specialists (4.3%)
  • Driver/sales workers and truck drivers (3.8%)
  • Cashiers (3.6%)
Most common occupations for females in 2000
  • Building and grounds cleaning and maintenance occupations (7.7%)
  • Secretaries and administrative assistants (7.3%)
  • Postsecondary teachers (6.2%)
  • Preschool, kindergarten, elementary, and middle school teachers (6.1%)
  • Other office and administrative support workers, including supervisors (4.7%)
  • Registered nurses (4.2%)
  • Other management occupations, except farmers and farm managers (3.7%)

Average climate in Adelphi, Maryland

Based on data reported by over 4,000 weather stations

Adelphi, Maryland average temperatures Adelphi, Maryland average precipitation Adelphi, Maryland humidity Adelphi, Maryland wind speed Adelphi, Maryland snowfall Adelphi, Maryland sunshine Adelphi, Maryland clear and cloudy days
Air pollution and air quality trends
(lower is better)
AQI CO NO2 SO2 Ozone PM10 PM2.5 Pb
Air Quality Index

Air Quality Index (AQI) level in 2018 was 92.2. This is worse than average.

City:

92.2
U.S.:

74.2
Carbon Monoxide Level

Carbon Monoxide (CO) [ppm] level in 2018 was 0.265. This is about average. Closest monitor was 1.7 miles away from the city center.

City:

0.265
U.S.:

0.267
Nitrogen Dioxide Level

Nitrogen Dioxide (NO2) [ppb] level in 2018 was 10.4. This is significantly worse than average. Closest monitor was 2.1 miles away from the city center.

City:

10.4
U.S.:

5.6
Sulfur Dioxide Level

Sulfur Dioxide (SO2) [ppb] level in 2018 was 0.579. This is significantly better than average. Closest monitor was 2.1 miles away from the city center.

City:

0.579
U.S.:

1.789
Ozone Level

Ozone [ppb] level in 2018 was 25.1. This is better than average. Closest monitor was 2.1 miles away from the city center.

City:

25.1
U.S.:

33.3
Particulate Matter Level

Particulate Matter (PM10) [µg/m3] level in 2018 was 16.4. This is about average. Closest monitor was 2.8 miles away from the city center.

City:

16.4
U.S.:

19.6
Particulate Matter Level

Particulate Matter (PM2.5) [µg/m3] level in 2018 was 8.27. This is about average. Closest monitor was 4.3 miles away from the city center.

City:

8.27
U.S.:

8.46
Lead Level

Lead (Pb) [µg/m3] level in 2016 was 0.00212. This is significantly better than average. Closest monitor was 1.8 miles away from the city center.

City:

0.00212
U.S.:

0.00984

Tornado activity:

Adelphi-area historical tornado activity is slightly above Maryland state average. It is 12% greater than the overall U.S. average.

On 9/24/2001, a category F3 (max. wind speeds 158-206 mph) tornado 4.7 miles away from the Adelphi place center killed 2 people and injured 55 people and caused $101 million in damages.

On 4/28/2002, a category F4 (max. wind speeds 207-260 mph) tornado 33.0 miles away from the place center killed 3 people and injured 122 people and caused $124 million in damages.

Earthquake activity:

Adelphi-area historical earthquake activity is near Maryland state average. It is 85% smaller than the overall U.S. average.

On 1/16/1994 at 01:49:16, a magnitude 4.6 (4.6 MB, 4.6 LG, Depth: 3.1 mi, Class: Light, Intensity: IV - V) earthquake occurred 104.7 miles away from the city center
On 12/9/2003 at 20:59:14, a magnitude 4.5 (4.5 MB, 4.5 LG, Depth: 3.1 mi) earthquake occurred 110.0 miles away from Adelphi center
On 9/25/1998 at 19:52:52, a magnitude 5.2 (4.8 MB, 4.3 MS, 5.2 LG, 4.5 MW, Depth: 3.1 mi, Class: Moderate, Intensity: VI - VII) earthquake occurred 250.0 miles away from the city center
On 1/16/1994 at 00:42:43, a magnitude 4.2 (4.2 MB, 4.0 LG, Depth: 3.1 mi) earthquake occurred 105.2 miles away from the city center
On 1/31/1986 at 16:46:43, a magnitude 5.0 (5.0 MB) earthquake occurred 285.2 miles away from Adelphi center
On 5/5/2003 at 16:32:32, a magnitude 3.9 (3.9 LG, Depth: 3.1 mi, Class: Light, Intensity: II - III) earthquake occurred 104.7 miles away from the city center
Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

The number of natural disasters in Prince George's County (16) is greater than the US average (13).
Major Disasters (Presidential) Declared: 11
Emergencies Declared: 5

Causes of natural disasters: Hurricanes: 5, Winter Storms: 5, Snowstorms: 3, Floods: 2, Storms: 2, Tropical Storms: 2, Blizzard: 1, Heavy Rain: 1, Ice Storm: 1, Snowfall: 1 (Note: some incidents may be assigned to more than one category).
Adelphi topographic map

Hospitals and medical centers in Adelphi:

  • HEARTLAND HEALTH CARE CENTER - ADELPHI (1801 METZEROTT ROAD)
  • HILLHAVEN NURSING CENTER (3210 POWDER MILL ROAD)
  • ARA - ADELPHI (1801 METZEROTT RD)

Amtrak stations near Adelphi:

  • 7 miles: NEW CARROLLTON (4300 GARDEN CITY DR.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, snack bar, ATM, paid short-term parking, paid long-term parking, call for car rental service, taxi stand, public transit connection.
  • 8 miles: WASHINGTON (50 MASSACHUSETTS AVE. N.E.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, full-service food facilities and snack bar, ATM, paid short-term parking, paid long-term parking, car rental agency, taxi stand, public transit connection.
  • 12 miles: ROCKVILLE (HUNGERFORD DR. & PARK ST.) . Services: partially wheelchair accessible, public payphones, paid short-term parking, paid long-term parking, call for taxi service, public transit connection.

Colleges/Universities in Adelphi:

  • University of Maryland-University College (Full-time enrollment: 25,040; Location: 3501 University Blvd East; Public; Website: www.umuc.edu; Offers Doctor's degree)
  • University System of Maryland (Location: 3300 Metzerott Rd; Public; Website: www.usmd.edu; Offers Doctor's degree)
  • University System of Maryland-Research Centers (Location: 3300 Metzerott Rd; Public; Website: www.usmd.edu; Offers Master's degree)

Other colleges/universities with over 2000 students near Adelphi:

  • University of Maryland-College Park (about 2 miles; College Park, MD; Full-time enrollment: 32,734)
  • Catholic University of America (about 5 miles; Washington, DC; FT enrollment: 5,365)
  • Howard University (about 6 miles; Washington, DC; FT enrollment: 7,838)
  • University of the District of Columbia (about 7 miles; Washington, DC; FT enrollment: 3,675)
  • Strayer University-Global Region (about 8 miles; Washington, DC; FT enrollment: 2,613)
  • American University (about 8 miles; Washington, DC; FT enrollment: 9,850)
  • George Washington University (about 9 miles; Washington, DC; FT enrollment: 18,928)

Public elementary/middle schools in Adelphi:

See full list of schools located in Adelphi

Points of interest:

Click to draw/clear place borders

Notable locations in Adelphi: Van Munching Hall (A), Mowatt Lane Substation (B), Mowatt Lane Parking Garage (C). Display/hide their locations on the map

Shopping Center: Adelphi Plaza Shopping Center (1). Display/hide its location on the map

Churches in Adelphi include: Hillandale Church (A), Adelphi Bible Church (B), Missionary Servants of the Most Holy Trinity (C), Saint Marks Church (D), University United Methodist Church (E), Holy Trinity Missionary Cenacle (F). Display/hide their locations on the map

Cemetery: George Washington Cemetery (1). Display/hide its location on the map

Parks in Adelphi include: Adelphi Recreation Center (1), Adelphi Mill Recreation Center (2), University Hills Recreation Center (3). Display/hide their locations on the map

Birthplace of: Roy Hibbert - College basketball player (Georgetown Hoyas).

Prince George's County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential
Average household size:
This place:

3.0 people
Maryland:

2.6 people

Percentage of family households:
This place:

62.8%
Whole state:

67.1%

Percentage of households with unmarried partners:
This place:

7.8%
Whole state:

6.4%


Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.4% of all households
  • Gay men: 0.4% of all households

People in group quarters in Adelphi in 2010:

  • 141 people in nursing facilities/skilled-nursing facilities
  • 17 people in workers' group living quarters and job corps centers
  • 15 people in other noninstitutional facilities

People in group quarters in Adelphi in 2000:

  • 190 people in nursing homes
  • 31 people in other group homes
  • 13 people in religious group quarters

Banks with branches in Adelphi (2011 data):

  • Bank of America, National Association: Adelphi Branch at 9111 Riggs Road, branch established on 1972/12/01. Info updated 2009/11/18: Bank assets: $1,451,969.3 mil, Deposits: $1,077,176.8 mil, headquarters in Charlotte, NC, positive income, 5782 total offices, Holding Company: Bank Of America Corporation
  • SunTrust Bank: Adelphi University Branch at 2520 University Boulevard East, branch established on 1964/04/30. Info updated 2010/05/27: Bank assets: $171,291.7 mil, Deposits: $129,833.2 mil, headquarters in Atlanta, GA, positive income, Commercial Lending Specialization, 1716 total offices, Holding Company: Suntrust Banks, Inc.

For population 15 years and over in Adelphi:

Marital status in Adelphi, MD
  • Never married: 41.5%
  • Now married: 41.9%
  • Separated: 3.0%
  • Widowed: 4.4%
  • Divorced: 9.2%

For population 25 years and over in Adelphi:

  • High school or higher: 78.6%
  • Bachelor's degree or higher: 34.1%
  • Graduate or professional degree: 14.2%
  • Unemployed: 5.7%
  • Mean travel time to work (commute): 35.1 minutes
Educational Attainment in 2017
School Enrollment by Level of School in 2017
Education Gini index (Inequality in education)
Here:

17.3
Maryland average:

12.5

Travel time (in minutes) to work in 2017
Means of transportation to work in 2017 - Adelphi
Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Adelphi, MD (based on Prince George's County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Evangelical Protestant179,374430
Catholic83,95935
Mainline Protestant51,153156
Black Protestant48,98466
Other28,74357
Orthodox1,2186
None469,989-
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 140
Prince George's County:

1.70 / 10,000 pop.
Maryland:

1.96 / 10,000 pop.
Number of supercenters and club stores: 2
This county:

0.02 / 10,000 pop.
State:

0.07 / 10,000 pop.
Number of convenience stores (no gas): 132
Prince George's County:

1.60 / 10,000 pop.
Maryland:

1.22 / 10,000 pop.
Number of convenience stores (with gas): 137
Prince George's County:

1.66 / 10,000 pop.
State:

2.05 / 10,000 pop.
Number of full-service restaurants: 267
Here:

3.24 / 10,000 pop.
State:

5.40 / 10,000 pop.
Adult diabetes rate:
This county:

10.5%
Maryland:

9.1%
Adult obesity rate:
Prince George's County:

30.7%
Maryland:

26.7%
Low-income preschool obesity rate:
This county:

16.7%
State:

15.5%

Health and Nutrition:

Healthy diet rate:
Adelphi:

48.3%
State:

49.9%

Average overall health of teeth and gums:
This city:

47.6%
Maryland:

47.3%

Average BMI:
Adelphi:

28.4
State:

28.8

People feeling badly about themselves:
Adelphi:

19.6%
Maryland:

20.2%

People not drinking alcohol at all:
Adelphi:

11.8%
Maryland:

11.2%

Average hours sleeping at night:
This city:

6.7
State:

6.8

Overweight people:
Adelphi:

30.9%
Maryland:

34.1%

General health condition:
This city:

56.0%
State:

56.2%

Average condition of hearing:
Here:

82.7%
Maryland:

80.5%

More about Health and Nutrition of Adelphi, MD Residents

6.59% of this county's 2016 resident taxpayers lived in other counties in 2015 ($45,232 average adjusted gross income)

Here:

6.59%
Maryland average:

6.88%

0.07% of residents moved from foreign countries ($530 average AGI)
Prince George's County:

0.07%
Maryland average:

0.09%

Top counties from which taxpayers relocated into this county between 2015 and 2016:
from District of Columbia, DC  1.27% ($43,734 average AGI)
from Montgomery County, MD  1.13% ($45,435)
from Anne Arundel County, MD  0.41% ($53,612)


7.36% of this county's 2015 resident taxpayers moved to other counties in 2016 ($49,475 average adjusted gross income)

Here:

7.36%
Maryland average:

7.35%

0.06% of residents moved to foreign countries ($427 average AGI)
Prince George's County:

0.06%
Maryland average:

0.10%

Top counties to which taxpayers relocated from this county between 2015 and 2016:
to Montgomery County, MD  1.15% ($45,199 average AGI)
to District of Columbia, DC  0.97% ($36,643)
to Anne Arundel County, MD  0.66% ($61,705)
Businesses in Adelphi, MD
NameCountNameCount
7-Eleven1Popeyes1
KFC1Rite Aid2
Nike1Starbucks1

Strongest AM radio stations in Adelphi:

  • WTEM (980 AM; 50 kW; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WTOP (1500 AM; 50 kW; WASHINGTON, DC; Owner: BONNEVILLE HOLDING COMPANY)
  • WPGC (1580 AM; 50 kW; MORNINGSIDE, MD; Owner: INFINITY WPGC(AM), INC.)
  • WACA (1540 AM; daytime; 5 kW; WHEATON, MD; Owner: AC ACQUISITION, LLC)
  • WWRC (1260 AM; 5 kW; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WMET (1150 AM; 50 kW; GAITHERSBURG, MD; Owner: BELTWAY ACQUISITION CORPORATION)
  • WUST (1120 AM; daytime; 20 kW; WASHINGTON, DC)
  • WCBM (680 AM; 50 kW; BALTIMORE, MD; Owner: WCBM MARYLAND, INC.)
  • WMAL (630 AM; 5 kW; WASHINGTON, DC; Owner: WMAL, INC.)
  • WPLC (1050 AM; 1 kW; SILVER SPRING, MD; Owner: METRO RADIO, INC.)
  • WTNT (570 AM; 5 kW; BETHESDA, MD; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WBIS (1190 AM; 50 kW; ANNAPOLIS, MD; Owner: NATIONS RADIO, LLC)
  • WBAL (1090 AM; 50 kW; BALTIMORE, MD; Owner: HEARST RADIO, INC.)

Strongest FM radio stations in Adelphi:

  • WBIG-FM (100.3 FM; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WWDC-FM (101.1 FM; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WCSP-FM (90.1 FM; WASHINGTON, DC; Owner: NATIONAL CABLE SATELLITE CORPORATION)
  • WRQX (107.3 FM; WASHINGTON, DC; Owner: WMAL, INC.)
  • WASH (97.1 FM; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WHUR-FM (96.3 FM; WASHINGTON, DC; Owner: THE HOWARD UNIVERSITY)
  • WARW (94.7 FM; BETHESDA, MD; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • WKYS (93.9 FM; WASHINGTON, DC; Owner: RADIO ONE LICENSES, LLC)
  • WIHT (99.5 FM; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WGMS-FM (103.5 FM; WASHINGTON, DC; Owner: BONNEVILLE HOLDING COMPANY)
  • WAMU (88.5 FM; WASHINGTON, DC; Owner: THE EXEC. COMM. OF THE BD. OF TRUSTEES OF AMERICAN UNIV.)
  • WMMJ (102.3 FM; BETHESDA, MD; Owner: RADIO ONE LICENSES, LLC)
  • WPGC-FM (95.5 FM; MORNINGSIDE, MD; Owner: INFINITY BROADCASTING CORPORATION OF MARYLAND)
  • WPFW (89.3 FM; WASHINGTON, DC; Owner: PACIFICA FOUNDATION, INC.)
  • WHFS (99.1 FM; ANNAPOLIS, MD; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • WGTS (91.9 FM; TAKOMA PARK, MD; Owner: COLUMBIA UNION COLLEGE BROADCASTING, INC.)
  • WETA (90.9 FM; WASHINGTON, DC; Owner: GREATER WASHINGTON EDUCATIONAL TELECOMMUNICATIONS ASSN.)
  • WAVA (105.1 FM; ARLINGTON, VA; Owner: SALEM MEDIA OF VIRGINIA, INC.)
  • WJFK-FM (106.7 FM; MANASSAS, VA; Owner: INFINITY BROADCASTING CORP. OF WASHINGTON, DC)
  • WMZQ-FM (98.7 FM; WASHINGTON, DC; Owner: AMFM RADIO LICENSES, L.L.C.)

TV broadcast stations around Adelphi:

  • WBDC-TV (Channel 50; WASHINGTON, DC; Owner: WBDC BROADCASTING, INC.)
  • WJLA-TV (Channel 7; WASHINGTON, DC; Owner: ACC LICENSEE, INC.)
  • WUSA (Channel 9; WASHINGTON, DC; Owner: THE DETROIT NEWS, INC.)
  • WTTG (Channel 5; WASHINGTON, DC; Owner: FOX TELEVISION STATIONS, INC.)
  • WZDC-LP (Channel 64; WASHINGTON, DC; Owner: ONDA CAPITAL, INC.)
  • WHUT-TV (Channel 32; WASHINGTON, DC; Owner: HOWARD UNIVERSITY)
  • WETA-TV (Channel 26; WASHINGTON, DC; Owner: THE GREATER WASHINGTON ED TELECOMM. ASSOC)
  • WDCA (Channel 20; WASHINGTON, DC; Owner: FOX TELEVISION STATIONS, INC.)
  • WRC-TV (Channel 4; WASHINGTON, DC; Owner: NBC SUBSIDIARY (WRC-TV), INC.)
  • W28BY (Channel 63; BALTIMORE, MD; Owner: INFORMATION SUPER STATION, L.L.C.)
  • WMDO-CA (Channel 30; WASHINGTON, DC; Owner: ENTRAVISION HOLDINGS, LLC)
  • WMPT (Channel 22; ANNAPOLIS, MD; Owner: MARYLAND PUBLIC BROADCASTING COMMISSION)
  • WNVC (Channel 56; FAIRFAX, VA; Owner: COMMONWEALTH PUBLIC BROADCASTING CORPORATION)
  • WKRP-LP (Channel 42; WASHINGTON, DC; Owner: CAPITAL MEDIA, LLC)
  • WBAL-TV (Channel 11; BALTIMORE, MD; Owner: WBAL HEARST-ARGYLE TV, INC. (CA CORP.))
  • WMAR-TV (Channel 2; BALTIMORE, MD; Owner: SCRIPPS HOWARD BROADCASTING COMPANY)
  • WBFF (Channel 45; BALTIMORE, MD; Owner: CHESAPEAKE TELEVISION LICENSEE, LLC)
  • WNUV (Channel 54; BALTIMORE, MD; Owner: BALTIMORE (WNUV-TV) LICENSEE, INC.)
  • WUTB (Channel 24; BALTIMORE, MD; Owner: FOX TELEVISION STATIONS, INC.)
  • WJZ-TV (Channel 13; BALTIMORE, MD; Owner: VIACOM INC.)
  • WMPB (Channel 67; BALTIMORE, MD; Owner: MARYLAND PUBLIC BROADCASTING COMMISSION)
  • WIAV-LP (Channel 58; WASHINGTON, DC; Owner: ASIAVISION, INC.)
  • WPXW (Channel 66; MANASSAS, VA; Owner: PAXSON WASHINGTON LICENSE, INC.)
  • W63BP (Channel 63; ANNAPOLIS, MD; Owner: ANNAPOLIS BROADCASTING COMPANY, INC.)
  • W61BY (Channel 61; ANNAPOLIS, MD; Owner: ANNAPOLIS BROADCASTING COMPANY, INC.)
Fatal accident count
See more detailed statistics of Adelphi fatal car crashes and road traffic accidents for 1975 - 2017 here
  • National Bridge Inventory (NBI) Statistics
  • 18Number of bridges
  • 177ft / 54.0mTotal length
  • $2,302,000Total costs
  • 1,126,148Total average daily traffic
  • 4,683Total average daily truck traffic
  • 79,074Total future (year 2037) average daily traffic
New bridges in Adelphi, MD - historical statistics
  • New bridges - historical statistics
  • 21930-1939
  • 11940-1949
  • 111960-1969
  • 11970-1979
  • 21980-1989
  • 11990-1999
See full National Bridge Inventory statistics for Adelphi, MD

FCC Registered Broadcast Land Mobile Towers:

5
  • 1/2 Mi S Of The I495 & I95 Interchange (Lat: 39.017889 Lon: -76.952472), Type: Pole, Structure height: 5 m, Overall height: 9 m, Call Sign: WPLS956,
    Assigned Frequencies: 1.64000 MHz, Grant Date: 01/22/2003, Expiration Date: 01/21/2013, Cancellation Date: 03/23/2013, Certifier: Thomas M Heacock, Registrant: Business Radio Licensing, 26941 Cabot Rd., Suite 134, Laguna Hills, CA 92653, Phone: (949) 348-8510
  • 9147 Riggs Road (Lat: 39.004444 Lon: -76.970000), Call Sign: WPWC348,
    Assigned Frequencies: 469.212 MHz, 469.037 MHz, 469.237 MHz, 469.062 MHz, 469.262 MHz, 469.087 MHz, 469.287 MHz, 469.112 MHz, 469.312 MHz, 469.137 MHz... (+21 more), Grant Date: 10/09/2002, Expiration Date: 10/09/2012, Cancellation Date: 12/15/2012, Certifier: Jack D Jorgenson, Registrant: Panasonic Information Systems Company, 1707 N Randall Road, E1-D9, Elgin, IL 60123-7847, Phone: (847) 468-5318, Fax: (847) 468-5331, Email:
  • 2001 University Blvd E (Lat: 38.984111 Lon: -76.978056), Call Sign: WPXP354,
    Assigned Frequencies: 31.2400 MHz, 33.1400 MHz, 33.1600 MHz, 33.4000 MHz, 35.0200 MHz, 35.1200 MHz, 35.8800 MHz, 35.9600 MHz, 151.655 MHz, 151.685 MHz... (+9 more), Grant Date: 05/14/2003, Expiration Date: 05/14/2013, Cancellation Date: 07/20/2013, Certifier: Remona Barbour, Registrant: Spectrum License Consultants, 8212 Ithaca Ave Ste 15, Lubbock, TX 79453, Phone: (806) 780-7800, Fax: (806) 780-7802, Email:
  • Lat: 38.989556 Lon: -76.958528, Call Sign: WPYW236,
    Assigned Frequencies: 461.225 MHz, 461.750 MHz, 463.350 MHz, 464.225 MHz, 466.225 MHz, 466.750 MHz, 468.350 MHz, 469.225 MHz, Grant Date: 11/13/2003, Expiration Date: 11/13/2013, Cancellation Date: 01/18/2014, Certifier: Bill Brogund, Registrant: Metro 2 Way, Brookeville, MD 20833, Phone: (202) 882-4420, Fax: (202) 722-4606
  • 9119 Riggs Road (Lat: 39.004167 Lon: -76.970556), Call Sign: WQBI921,
    Assigned Frequencies: 30.8400 MHz, 154.540 MHz, 33.4000 MHz, 33.1600 MHz, 31.2400 MHz, 468.487 MHz, 468.762 MHz, 468.837 MHz, 469.462 MHz, 469.637 MHz... (+22 more), Grant Date: 10/16/2004, Expiration Date: 10/16/2014, Cancellation Date: 12/20/2014, Certifier: Beth Cotner, Registrant: Dolfen Consulting Group, 95 Willow Lane, Bristol, IL 60512-9711, Phone: (630) 553-5886, Fax: (630) 566-1755, Email:

FCC Registered Microwave Towers:

3
  • ADELPHI, 8905 Riggs Rd (Lat: 39.001750 Lon: -76.971361), Overall height: 25.9 m, Call Sign: WPNH401,
    Assigned Frequencies: 6286.19 MHz, Grant Date: 01/17/2001, Expiration Date: 02/01/2011, Cancellation Date: 03/31/2010, Registrant: Verizon Wireless, 1120 Sanctuary Pkwy, #150 Gasa5reg, Alpharetta, GA 30009-7630, Phone: (770) 797-1070, Fax: (770) 797-1036, Email:
  • DC-WSH5533A, 1811 Metzerott Road (Lat: 39.003111 Lon: -76.976389), Type: Bant, Structure height: 27.4 m, Overall height: 30.4 m, Call Sign: WQLG386,
    Assigned Frequencies: 23025.0 MHz, 23025.0 MHz, 23025.0 MHz, 23025.0 MHz, 23025.0 MHz, 23025.0 MHz, 23025.0 MHz, 23175.0 MHz, 23175.0 MHz, 23175.0 MHz... (+4 more), Grant Date: 01/12/2010, Expiration Date: 01/12/2020, Certifier: Nadja S Sodos-Wallace, Registrant: Sprint Corporation, 12502 Sunrise Valley Drive, M/S: Varesa, Reston, VA 20196, Phone: (800) 572-8256, Fax: (703) 433-4483, Email:
  • ADELPHI HUB, 8905a Riggs Road (Lat: 39.001472 Lon: -76.971917), Overall height: 10.7 m, Call Sign: WLT714, Licensee ID: L00219539,
    Assigned Frequencies: 5974.80 MHz, Grant Date: 03/13/2001, Expiration Date: 02/01/2011, Cancellation Date: 05/15/2002, Certifier: Heather B Gold, Registrant: Intermedia Service LLC, 3625 Queen Palm Drive, Tampa, FL 33619, Phone: (813) 829-2400, Fax: (813) 663-2312

FCC Registered Amateur Radio Licenses:

35 (See the full list of FCC Registered Amateur Radio Licenses in Adelphi)

FAA Registered Aircraft:

1
  • Aircraft: PIPER PA-28-140 (Category: Land, Seats: 4, Weight: Up to 12,499 Pounds, Speed: 107 mph), Engine: LYCOMING 0-320 SERIES (180 HP) (Reciprocating)
    N-Number: 6332W , Serial Number: 28-20389, Year manufactured: 1964, Airworthiness Date: 09/30/1964, Certificate Issue Date: 09/13/2001
    Registrant (Individual): Reginald A Freeman, 10426 Tullymore Dr, Adelphi, MD 20783

Home Mortgage Disclosure Act Aggregated Statistics For Year 2009
(Based on 2 full and 4 partial tracts)
A) FHA, FSA/RHS & VA
Home Purchase Loans
B) Conventional
Home Purchase Loans
C) Refinancings
D) Home Improvement Loans
F) Non-occupant Loans on
< 5 Family Dwellings (A B C & D)
NumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage Value
LOANS ORIGINATED80$211,60632$211,546140$243,21611$116,44314$167,551
APPLICATIONS APPROVED, NOT ACCEPTED3$159,1373$223,56019$209,0631$14,9001$294,130
APPLICATIONS DENIED22$207,0229$167,782103$237,76714$86,90118$152,166
APPLICATIONS WITHDRAWN16$234,0609$208,26461$215,9240$07$219,880
FILES CLOSED FOR INCOMPLETENESS7$141,8373$218,51720$198,3902$182,5003$105,410
Choose year:  2009 2008 2007 2006 2005 2004 2003

Detailed HMDA statistics for the following Tracts: 8058.01 , 8059.01, 8059.04, 8059.05, 8064.00, 8073.05

Private Mortgage Insurance Companies Aggregated Statistics For Year 2009
(Based on 2 full and 4 partial tracts)
A) Conventional
Home Purchase Loans
B) Refinancings
NumberAverage ValueNumberAverage Value
LOANS ORIGINATED3$198,4971$419,030
APPLICATIONS APPROVED, NOT ACCEPTED2$112,6600$0
APPLICATIONS DENIED3$174,5670$0
APPLICATIONS WITHDRAWN1$216,0000$0
FILES CLOSED FOR INCOMPLETENESS0$01$136,290
Choose year:  2009 2008 2007 2006 2005 2004 2003

Detailed PMIC statistics for the following Tracts: 8058.01 , 8059.01, 8059.04, 8059.05, 8064.00, 8073.05

Conventional Home Purchase Loans in Adelphi, MD
Conventional Home Purchase Loans in Adelphi, MD - Value
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Adelphi, MD
  • 75.3%Utility gas
  • 19.0%Electricity
  • 4.5%Fuel oil, kerosene, etc.
  • 0.9%Bottled, tank, or LP gas
  • 0.3%Solar energy
Most commonly used house heating fuel in apartments in Adelphi, MD
  • 66.7%Utility gas
  • 30.0%Electricity
  • 1.8%Bottled, tank, or LP gas
  • 1.1%No fuel used
  • 0.4%Fuel oil, kerosene, etc.


Adelphi compared to Maryland state average:

  • Unemployed percentage below state average.
  • Hispanic race population percentage significantly above state average.
  • Foreign-born population percentage significantly above state average.
  • Renting percentage above state average.
  • Length of stay since moving in significantly above state average.
  • Number of rooms per house below state average.
  • House age significantly below state average.

Adelphi on our top lists:

  • #6 on the list of "Top 101 cities with the most residents born in Middle Africa (population 500+)"
  • #10 on the list of "Top 101 cities with the most residents born in El Salvador (population 500+)"
  • #20 on the list of "Top 101 cities with the most residents born in Africa (population 500+)"
  • #30 on the list of "Top 101 cities with the most residents born in Other Western Africa (population 500+)"
  • #40 on the list of "Top 101 cities with largest percentage of females in industries: administrative and support and waste management services (population 5,000+)"
  • #40 on the list of "Top 101 cities with the most residents born in Nigeria (population 500+)"
  • #42 on the list of "Top 101 cities with the most residents born in Western Africa (population 500+)"
  • #56 on the list of "Top 101 cities with largest percentage of females in industries: other services, except public administration (population 5,000+)"
  • #83 on the list of "Top 101 cities with the most residents born in Other Western Asia (population 500+)"
  • #90 on the list of "Top 101 cities with the most residents born in Guyana (population 500+)"
  • #94 on the list of "Top 100 cities with highest percentage of foreign-born residents"
  • #97 on the list of "Top 101 cities with the most residents born in Dominican Republic (population 500+)"
  • #94 (20903) on the list of "Top 101 zip codes with the largest percentage of Subsaharan African first ancestries (pop 5,000+)"
  • #5 on the list of "Top 101 counties with highest percentage of residents voting for Obama (Democrat) in the 2012 Presidential Election"
  • #12 on the list of "Top 101 counties with the highest number of infant deaths per 1000 residents 2007-2013 (pop. 50,000+)"
  • #13 on the list of "Top 101 counties with the highest average weight of females"
  • #14 on the list of "Top 101 counties with the highest Nitrogen Dioxide air pollution readings in 2012 (ppm)"
  • #14 on the list of "Top 101 counties with the most Black Protestant adherents"
There are 7 pilots and 3 other airmen in this city.
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State forum archive:

Top Patent Applicants
Top Patent Applicants
  • Osama M. Nayfeh (4)
  • David M. Hull (3)
  • U.s. Army Research Laboratory Attn: Rdrl-Lo (2)
  • Christopher Brian Buck (2)
  • Cleveland Haig Richards, Jr. (2)
  • U.s. Army Research Laboratory Attn: Rdrl-Loc-I (2)
  • U.s. Army Research Laboratory (2)
  • Vladimir Ivantsov (2)
  • Mahsa Dornajafi (2)
  • Pankaj B. Shah (2)

Total of 41 patent applications in 2008-2020.