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.
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 |
| Altitude : | 171 feet / 52 meters |
| Time Zone : | Eastern Time Zone, UTC−05:00, UTC−04:00 |
| Local time : | 02:14:11 (5th December 2025) |
Geography
Adelphi is located at 39°0'11"N 76°58'19"W (39.0031700, -76.9719200).
Adelphi map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Adelphi, Riggs Mill Village
Schools in Adelphi
College & universities near Adelphi, MD
| Code | Name | City | ZIP |
|---|---|---|---|
| 162210 | Washington Adventist University | Takoma Park (MD) | 20912 |
Stations (22)
Amtrak & bus stations near Adelphi, MD
| 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 |
Post offices near Adelphi
| Post Office Name | City | ZIP |
|---|---|---|
| Langley Park Post Office | Hyattsville (MD) | 20783 |
Other places with the same name (2)
- 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
