Identifiers: CDP · town · city
| Rank | Community | Population |
|---|---|---|
| 1 | Centreville (CDP), VA | 73,518 |
| 2 | Reston (CDP), VA | 63,226 |
| 3 | McLean (CDP), VA | 50,773 |
| 4 | Leesburg (town), VA | 48,250 |
| 5 | Ashburn (CDP), VA | 46,349 |
| 6 | Annandale (CDP), VA | 43,363 |
| 7 | Manassas (city), VA | 42,772 |
| 8 | Burke (CDP), VA | 42,312 |
| 9 | Linton Hall (CDP), VA | 41,754 |
| 10 | Oakton (CDP), VA | 36,732 |
| 11 | Fair Oaks (CDP), VA | 34,052 |
| 12 | South Riding (CDP), VA | 33,877 |
| 13 | Sterling (CDP), VA | 30,337 |
| 14 | West Falls Church (CDP), VA | 30,243 |
| 15 | Tysons (CDP), VA | 26,374 |
| 16 | Herndon (town), VA | 24,655 |
| 17 | Chantilly (CDP), VA | 24,301 |
| 18 | Fairfax (city), VA | 24,146 |
| 19 | Brambleton (CDP), VA | 23,486 |
| 20 | McNair (CDP), VA | 21,598 |