Identifiers: CDP · city
| Rank | Community | Population |
|---|---|---|
| 1 | Columbia (CDP), MD | 104,681 |
| 2 | Silver Spring (CDP), MD | 81,015 |
| 3 | Bethesda (CDP), MD | 68,056 |
| 4 | Rockville (city), MD | 67,117 |
| 5 | Bowie (city), MD | 58,329 |
| 6 | Severn (CDP), MD | 57,118 |
| 7 | Wheaton (CDP), MD | 52,150 |
| 8 | Aspen Hill (CDP), MD | 51,063 |
| 9 | North Bethesda (CDP), MD | 50,094 |
| 10 | Potomac (CDP), MD | 47,018 |
| 11 | Chillum (CDP), MD | 36,039 |
| 12 | Olney (CDP), MD | 35,820 |
| 13 | College Park (city), MD | 34,740 |
| 14 | Laurel (city), MD | 30,060 |
| 15 | Crofton (CDP), MD | 29,641 |
| 16 | South Laurel (CDP), MD | 29,602 |
| 17 | Landover (CDP), MD | 25,998 |
| 18 | Suitland (CDP), MD | 25,839 |
| 19 | Fairland (CDP), MD | 25,396 |
| 20 | North Laurel (CDP), MD | 25,379 |