Maryland · United States
Adelphi population
15,086people · latest figure
Adelphi has a population of 15,086, making it the 2862nd largest place we list in United States. It is in Maryland.
Adelphi holds under a tenth of one per cent of United States's 349,035,494 people. New York City, the largest place we list there, is 584 times its size. Twenty years earlier the World Gazetteer recorded 15,988, a fall of 6%.
The 2005 figure comes from the World Gazetteer archive restored on this site. The two sources may draw the settlement's boundary differently, so treat the change as indicative rather than exact. Why figures differ.
Adelphi is in Maryland, which has 443 recorded places.
Nearby in size
| Place | Region | Population |
|---|---|---|
| East Longmeadow | Massachusetts | 15,102 |
| Greeneville | Tennessee | 15,094 |
| Mount Vernon | Illinois | 15,087 |
| Front Royal | Virginia | 15,070 |
| Weston | Wisconsin | 15,069 |
| Spanish Springs | Nevada | 15,064 |
All places in United States → · Maryland →
Figures are the latest available in GeoNames (CC BY 4.0), which draws on national censuses of varying dates — treat them as recent, not same-year. Country totals are UN World Population Prospects 2024 (medium variant) where the UN lists the country separately; the handful it reports under a parent state keep a GeoNames figure and are marked as such. Sources & method.