Identifiers: CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Centreville (CDP), VA | 73,518 |
| 2 | Reston (CDP), VA | 63,226 |
| 3 | Leesburg (town), VA | 48,250 |
| 4 | Ashburn (CDP), VA | 46,349 |
| 5 | Oakton (CDP), VA | 36,732 |
| 6 | Fair Oaks (CDP), VA | 34,052 |
| 7 | South Riding (CDP), VA | 33,877 |
| 8 | Sterling (CDP), VA | 30,337 |
| 9 | Tysons (CDP), VA | 26,374 |
| 10 | Herndon (town), VA | 24,655 |
| 11 | Chantilly (CDP), VA | 24,301 |
| 12 | Brambleton (CDP), VA | 23,486 |
| 13 | McNair (CDP), VA | 21,598 |
| 14 | Franklin Farm (CDP), VA | 19,189 |
| 15 | Wolf Trap (CDP), VA | 16,496 |
| 16 | Great Falls (CDP), VA | 15,953 |
| 17 | Stone Ridge (CDP), VA | 15,039 |
| 18 | Broadlands (CDP), VA | 14,021 |
| 19 | Lansdowne (CDP), VA | 12,427 |
| 20 | Cascades (CDP), VA | 12,366 |