Adelphi, Maryland

Adelphi: census designated place in Prince George's County, Maryland, United States

About

Adelphi is a CDP located in the county of Prince George's in the U.S. state of Maryland.

Adelphi locator map
Location of Adelphi on Maryland map.

Quick Facts about Adelphi

Population 15,086
Country United States of America
State Maryland (United States)
County Prince George's County
Phone Area Codes 240, 301
Area 7.11 km2
Latitude & Longitude 39.0032,-76.9719
Altitude 171 feet / 52 meters
Time Zone Eastern Time Zone, UTC−05:00, UTC−04:00
Local time 20:29:05 (22nd April 2026)
Weather 49℉ Mostly Cloudy 7-days weather
Adelphi Sign image
Adelphi Sign image

Geography

Adelphi is located at 39°0'11"N 76°58'19"W (39.0031700, -76.9719200).

Adelphi map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

49°F
Mostly Cloudy
9 mph S Overnight

Mostly cloudy, with a low around 49. South wind around 9 mph.

7-Day Forecast
Riggs Mill Village

Best Things to Do in Adelphi

1Powder Mill Community Park

Rating: 4.3 (74)

3101 Powder Mill Rd, Adelphi, MD 20783, United States View details

Phone: +13016992255 | Website available

2Buck Lodge Community Park

Rating: 4.3 (35)

2621 Buck Lodge Rd, Adelphi, MD 20783, United States View details

Phone: +13016992255 | Website available

Nearby Schools and Colleges

Schools and campuses linked to Adelphi, MD. Select a name to open its map and contact details.

Code Name City ZIP
162210 Washington Adventist University Takoma Park (MD) 20912

Nearby Transit Stations (22)

Rail and bus stations connected to Adelphi, MD. Select a station to open its map and address details.

Code Name Address Type
NCR New Carrollton station 4300 Garden City Drive RAIL
WAS Washington Union Station 50 Massachusetts Ave NE RAIL
RKV Rockville station 251 Hungerford Drive at Park Rd. RAIL
ALX Union Station 110 Callahan Drive RAIL
BWI BWI Rail Station 7 Amtrak Way RAIL

Closest post offices linked to Adelphi.

Post Office Name City ZIP
Langley Park Post Office Hyattsville (MD) 20783

Other places with the same name (1)

  • Adelphi, Ohio village in Ross County, Ohio, United States with a population of 374 people.

Other cities in Prince George's County

Cities, towns, neighborhoods & other populated places in Prince George's County , MD. (more)

City Name Population Title
Bowie 58,212 The most populous city in Prince George's County, Maryland.
Chillum 33,513 Census designated place in Prince George's County, Maryland, United States
College Park 32,173 Public research university in the city of College Park in Prince George's County, Maryland
South Laurel 26,112 Census designated place in Prince George’s County, Maryland, United States
Laurel 25,548 City in Prince George's County, Maryland, United States
Fort Washington 24,183 Unincorporated community in Prince George's County, Maryland, United States
Greenbelt 23,229 City in Prince George's County, Maryland, United States
Camp Springs 19,096 Census designated place in Prince George’s County, Maryland, United States
Langley Park 18,755 Census designated place in Maryland, United States
Hyattsville 18,217 City in Prince George’s County, Maryland, United States
Calverton 17,724 Unincorporated area in Montgomery and Prince George's County, Maryland, United States
Beltsville 16,772 Census designated place in Prince George's County, Maryland, United States
Hillcrest Heights 16,469 City in Polk County, Florida, United States of America
East Riverdale 15,509 Area in Prince George's County, Maryland, United States
Glenn Dale 13,466 Census designated place in Maryland, United States
New Carrollton 12,909 City in Prince George’s County, Maryland, United States

Distance to Other Cities

Adelphi distances to largest Maryland cities