Townapedia
Adelphi Mill 2021a
Adelphi Mill 2021a · Antony-22, CC BY-SA 4.0
Adelphi Mill 2021b
Adelphi Mill 2021b · Antony-22, CC BY-SA 4.0
Davis-Warner House
Davis-Warner House · Farragutful, Public domain
Smith House Riverdale Dec 08
Smith House Riverdale Dec 08 · Pubdog ( talk ), Public domain
Calvert Hills 1 Dec 08
Calvert Hills 1 Dec 08 · Pubdog ( talk ), Public domain
Hyattsville Historic District Nov 08
Hyattsville Historic District Nov 08 · Pubdog ( talk ), Public domain

Adelphi, Maryland

Adelphi is a community of 17,395 people in Prince George's County, Maryland.

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Population17,395 +6.2% since 2019
Elevation171 ft 52 m
Land area2.7 sq mi
ZIP codes20782, 20783
Nearest airportCollege Park Airport (CGS) 2 mi

Why visit Adelphi

Townapedia lists 37 museums and landmarks, 39 parks and trails, 85 places to eat, 3 places to stay and 7 attractions in and around town.

Highlights include Clarice Smith Performing Arts Center, AFI Silver Theatre, Ash Hill and Cady-Lee.

July is the warmest month, with average highs of 87°F; January lows average 25°F.

About Adelphi

Adelphi is an unincorporated area and census-designated place in Prince George's County, Maryland, United States. Per the 2020 Census, the population was 16,823. Adelphi includes the following subdivisions; Adelphi, Adelphi Park, Adelphi Hills, Adelphi Terrace, Adelphi Village, Buck Lodge, Chatham, Cool Spring Terrace, Hillandale Forest, Holly Hill Manor, Knollwood, Lewisdale, and White Oak Manor.

From the Wikipedia article Adelphi, Maryland (this version), under CC BY-SA 4.0.

Things to do7

Clarice Smith Performing Arts Center

Cinema and theater · 1.0 mi

Theater and concert hall of the University of Maryland in College Park, Maryland, United States

8115 Alumni Drive, College Park

Open in Google Maps · Wikipedia

AFI Silver Theatre

Cinema and theater · 3.2 mi

Movie theater in Silver Spring, Maryland, United States

Open in Google Maps · Wikipedia

Carroll Avenue Bridge

Bridge · 2.0 mi

Bridge in Takoma Park, Maryland, United States

Open in Google Maps · Wikipedia

University of Maryland

School · 1.5 mi

Public research university in the city of College Park in Prince George's County, Maryland, USA

Open in Google Maps · Wikipedia

University of Maryland Global Campus

School · 1.0 mi

One of 11 degree-granting institutions within the University System of Maryland

Open in Google Maps · Wikipedia

Washington Adventist University

School · 1.9 mi

University in Takoma Park, Maryland, United States

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Nyumburu Amphitheater

Cinema and theater · 1.4 mi

Open in Google Maps

Museums and landmarks37

Ash Hill

Monument and historic site · National Register of Historic Places · 1.2 mi

House in Hyattsville, Maryland, United States

Open in Google Maps · Wikipedia

Cady-Lee

Monument and historic site · National Register of Historic Places · 3.1 mi

Historic house in Washington, D.C., United States

Open in Google Maps · Wikipedia

Calvert Hills Historic District

Monument and historic site · National Register of Historic Places · 2.3 mi

Historic district in Maryland, United States

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College Heights Estates Historic District

Monument and historic site · National Register of Historic Places · 1.6 mi

Historic district in Maryland, United States

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College Park Airport

Monument and historic site · National Register of Historic Places · 2.7 mi

Airport in College Park, Maryland, United States

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Coolidge Senior High School

Monument and historic site · National Register of Historic Places · 3.5 mi

Public high school in Washington, District of Columbia, United States

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Davis-Warner House

Monument and historic site · National Register of Historic Places · 1.5 mi

Takoma Park, Maryland, NRHP-listed in Montgomery County

Open in Google Maps · Wikipedia

Harry Smith House

Monument and historic site · National Register of Historic Places · 3.1 mi

Historic house in Maryland, United States

Open in Google Maps · Wikipedia

Hyattsville Armory

Monument and historic site · National Register of Historic Places · 3.2 mi

Arsenal in Maryland, United States of America

Open in Google Maps · Wikipedia

Hyattsville Historic District

Monument and historic site · National Register of Historic Places · 3.1 mi

Historic district in Maryland, United States

Open in Google Maps · Wikipedia

Langley Park

Monument and historic site · National Register of Historic Places · 0.8 mi

Mansion in Langley Park, Prince George's County, Maryland, United States

Open in Google Maps · Wikipedia

Marenka House

Monument and historic site · National Register of Historic Places · 3.2 mi

Historic house at 7300 Radcliffe Drive in College Park, Maryland

Open in Google Maps · Wikipedia

25 more on the map.

Parks, trails and playgrounds39

SECU Stadium

Sports field and stadium · 1.2 mi

90 Stadium Drive, College Park

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XFINITY Center

Sports field and stadium · 1.4 mi

8500 Paint Branch Drive, College Park

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Acorn Park

Park · 3.4 mi

City park featuring a unique, acorn-shaped gazebo surrounded by tree-topped walkways in Silver Spring, Maryland, United States

Open in Google Maps · Wikipedia

McKeldin Mall

Park · 1.5 mi

Green space at the University of Maryland, College Park campus

Open in Google Maps · Wikipedia

Becca Lilly Neighborhood Park

Park · 1.7 mi

Neighborhood Park

7330 Glenside Drive, Takoma Park

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Broadacres Local Park

Park · 1.4 mi

Local Park

710 Beacon Road, Silver Spring

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Hillwood Manor Neighborhood Park

Park · 1.7 mi

Neighborhood Park

1301 Elson Street, Takoma Park

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JH Kehoe Track & Ludwig Field

Sports field and stadium · 1.1 mi

7898 Championship Lane, College Park

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Lane Manor Aquatic Center

Park · 0.9 mi

7601 West Park Drive, Adelphi

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Seek Lane Neighborhood Park

Park · 1.6 mi

Neighborhood Park

701 Seek Lane, Silver Spring

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University Hills Park

Park · 1.0 mi

3400 Stanford Street, Hyattsville

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Long Branch Stream Valley Park

Hiking and trails · 1.6 mi

Stream Valley

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27 more on the map.

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Restaurants and cafes85

Samantha's Restaurant

Restaurant · Mexican, Latin American · 1.6 mi

631 University Boulevard East, Silver Spring

Su-Th 11:00-22:30, Fr-Sa 11:00-23:30

Open in Google Maps · +1-301-445-7300

Tijuana Mexican Cafe

Restaurant · Mexican · 1.4 mi

949 University Boulevard East

Su-Th 11:00-26:00; Fr,Sa 11:00-27:00

Open in Google Maps · +1 301 408 4700

Sneaker's cafe

Cafe · Smoothie · 1.2 mi

Tu-Fr 10:30-22:30; Mo 10:00-22:00; Sa 10:30-21:00; Su 12:00-21:00

Open in Google Maps · +1-301-404-1460

Pizza Hut

Restaurant · Pizza · 1.0 mi

9200 New Hampshire Avenue, Silver Spring

Open in Google Maps · +1 301-445-5700

Pupuseria Doña Azucena

Restaurant · Salvadoran · 1.6 mi

8728 Piney Branch Road, Silver Spring

Su-Th 11:00-22:00, Fr-Sa 11:00-23:00

Open in Google Maps · +1-301-434-4230

Pupuseria El Comalito

Restaurant · Salvadoran · 1.3 mi

1167 University Boulevard East, Takoma Park

Open in Google Maps · +1-301-445-2225

Sardi's Pollo a la Brasa

Restaurant · Chicken · 1.3 mi

1159 University Boulevard East, Takoma Park

Open in Google Maps · +1-301-755-5777

Starbucks

Cafe · Coffee Shop · 1.3 mi

7690 New Hampshire Avenue, Takoma Park

Open in Google Maps · +1 301-439-5548

Starbucks

Cafe · Coffee Shop · 1.8 mi

10155 New Hampshire Avenue, Silver Spring

Open in Google Maps · +1 301-439-0627

Urban BBQ

Restaurant · Barbecue · 1.8 mi

10163 New Hampshire Avenue, Silver Spring

Open in Google Maps · +1-301-434-7427

Campeon

Restaurant · Chicken · 1.4 mi

902 Merrimac Drive

Mo-Th 10:00-22:00; Fr-Su 10:00-23:00

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Chuck E. Cheese

Restaurant · Pizza · 1.3 mi

1127 University Boulevard East, Takoma Park

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73 more on the map.

History

The unincorporated Adelphi community takes its name from the historic Adelphi Mill, established in 1796 along the Northwest Branch of the Anacostia River. It continues to attract visitors and can be rented for special functions. During the 19th century, George Washington Riggs acquired much of the area northeast of Washington, D.C., as his Green Hill estate in the Chillum Manor district. That estate included present-day Adelphi. In the early 1920s, part of the area was acquired by Leander McCormick-Goodhart as part of his Langley Park estate. Labor organizer Mary Harris "Mother" Jones died in 1930, at the farm of Walter and Lillie May Burgess near Powder Mill and Riggs Roads in present-day Adelphi. A marker was erected by the Maryland State Highway Administration commemorating Mother Jones at her death site. Unlike its nearby neighbors Hyattsville and College Park, the area remained relatively undeveloped until immediately following World War II. At that time, subdivisions quickly developed.

From the History section of Adelphi, Maryland on Wikipedia, under CC BY-SA 4.0.

Where to stay3

Churches and places of worship28

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Shopping19

Gas and EV charging16

Schools, colleges and libraries69

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Healthcare8

Map of Adelphi

250 places. The map loads OpenStreetMap tiles when you open it.

Climate by month

20°40°60°80°January: 2.9 in of rainFebruary: 2.4 in of rainMarch: 3.7 in of rainApril: 3.3 in of rainMay: 4.3 in of rainJune: 4.2 in of rainJuly: 4.5 in of rainAugust: 3.9 in of rainSeptember: 4.4 in of rainOctober: 4.0 in of rainNovember: 2.9 in of rainDecember: 3.5 in of rainJanuary: 43°FFebruary: 46°FMarch: 53°FApril: 65°FMay: 74°FJune: 83°FJuly: 87°FAugust: 86°FSeptember: 79°FOctober: 68°FNovember: 57°FDecember: 47°FJanuary: 25°FFebruary: 27°FMarch: 34°FApril: 44°FMay: 54°FJune: 63°FJuly: 68°FAugust: 66°FSeptember: 59°FOctober: 47°FNovember: 37°FDecember: 30°FJFMAMJJASOND
Average high Average low Rain
Monthly table
MonthHighLowRainSnow
Jan43°F25°F2.9 in5.7 in
Feb46°F27°F2.4 in5.0 in
Mar53°F34°F3.7 in2.5 in
Apr65°F44°F3.3 in0.1 in
May74°F54°F4.3 in0.0 in
Jun83°F63°F4.2 in0.0 in
Jul87°F68°F4.5 in0.0 in
Aug86°F66°F3.9 in0.0 in
Sep79°F59°F4.4 in0.0 in
Oct68°F47°F4.0 in0.0 in
Nov57°F37°F2.9 in0.2 in
Dec47°F30°F3.5 in2.3 in

U.S. Climate Normals 1991-2020 for Beltsville Hcn (3 mi away), NOAA NCEI.

People and cost of living

$82,137median household income
$425,200median home value
$1,804median monthly rent
33.9median age
30.0%of adults have a bachelor's degree or higher
41.8%of homes are owner-occupied
37.3 minaverage commute
Age of residents
Under 1824%18 to 3428%35 to 6438%65 and over11%

American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.

Disaster history

Prince George's County has had 13 federal disaster declarations since 2000, most often for hurricanes.

  • 2026-01-24: Severe Winter Storm (Winter Storm)
  • 2020-03-26: Covid-19 Pandemic (Biological)
  • 2020-03-13: Covid-19 (Biological)
  • 2016-03-04: Severe Winter Storm And Snowstorm (Snowstorm)
  • 2012-11-20: Hurricane Sandy (Hurricane)
  • 2012-10-28: Hurricane Sandy (Hurricane)

OpenFEMA disaster declarations summaries.

Getting there and nearby towns

College Park Airport (CGS) is the nearest airport with scheduled flights listed in OpenStreetMap, 2 miles away.

  • Langley Park 1 mi southwest, about 1 min by car
  • College Park 2 mi east, about 3 min by car
  • Chillum 2 mi south, about 4 min by car
  • Washington 7 mi southwest, about 11 min by car
  • Arlington 11 mi southwest, about 18 min by car
  • Alexandria 14 mi southwest, about 22 min by car
  • Columbia 15 mi north, about 25 min by car
  • Annapolis 25 mi east, about 40 min by car
  • Baltimore 28 mi northeast, about 46 min by car
  • Aberdeen 56 mi northeast, about 1 h 30 min by car

Drive times are estimates from straight-line distance, not routes.

Reviews, tips and questions

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Sources and licences

Photo credits

Page built October 30, 2026. Spotted a mistake? Tell us or suggest a place.