| 1 | Innovation CDP (east-southeast) | 9,185 |
| 2 | Yorkshire CDP | 8,141 |
| 3 | Leesylvania CDP (northwest 2) | 8,102 |
| 4 | Bull Run Mountain Estates CDP (west-northwest 1) | 7,915 |
| 5 | Sudley CDP (northwest) | 7,912 |
| 6 | Leesylvania CDP (east-northeast) | 7,796 |
| 7 | Linton Hall CDP (northwest) | 7,645 |
| 8 | Cherry Hill CDP (south-southeast) | 7,498 |
| 9 | Bull Run CDP (southeast) | 7,489 |
| 10 | Independent Hill CDP (east-southeast) | 7,328 |
| 11 | Dale City CDP (northwest) | 7,299 |
| 12 | Buckhall CDP (southeast) | 7,242 |
| 13 | Bull Run Mountain Estates CDP (southeast) | 7,208 |
| 14 | Sudley CDP (south-southwest) | 7,116 |
| 15 | Leesylvania CDP (south-southeast) | 7,078 |
| 16 | Dale City CDP (south-southeast) | 6,916 |
| 17 | Independent Hill CDP (south) | 6,849 |
| 18 | Haymarket town (west-northwest) | 6,803 |
| 19 | County Center CDP (south) | 6,762 |
| 20 | Potomac Mills CDP (north) | 6,605 |
| 21 | Buckhall CDP (north-northeast) | 6,580 |
| 22 | Montclair CDP (north) | 6,534 |
| 23 | Independent Hill CDP (east) | 6,474 |
| 24 | County Center CDP (east) | 6,410 |
| 25 | Bull Run Mountain Estates CDP (southwest) | 6,380 |
| 26 | Dumfries town (east-southeast) | 6,363 |
| 27 | Dale City CDP (west-northwest) | 6,355 |
| 28 | Triangle CDP | 6,301 |
| 29 | Lake Ridge CDP (north) | 6,300 |
| 30 | Buckhall CDP (north) | 6,293 |
| 31 | Dale City CDP (southwest) | 6,181 |
| 32 | Cherry Hill CDP (northwest) | 6,127 |
| 33 | Gainesville CDP (north-northwest) | 6,035 |
| 34 | Montclair CDP (east) | 6,020 |
| 35 | Gainesville CDP (south-southeast) | 5,901 |
| 36 | Potomac Mills CDP (west-southwest) | 5,893 |
| 37 | Potomac Mills CDP (east-southeast) | 5,789 |
| 38 | Potomac Mills CDP (south) | 5,588 |
| 39 | Cherry Hill CDP (east-northeast) | 5,564 |
| 40 | Bull Run Mountain Estates CDP (east-northeast) | 5,509 |
| 41 | Montclair CDP (north-northwest) | 5,473 |
| 42 | Woodbridge CDP (west) | 5,459 |
| 43 | Linton Hall CDP (southwest) | 5,453 |
| 44 | County Center CDP (west) | 5,376 |
| 45 | Innovation CDP (west-northwest) | 5,336 |
| 46 | Buckhall CDP (west) | 5,242 |
| 47 | Innovation CDP (south-southeast) | 5,129 |
| 48 | Dumfries town (west-northwest) | 5,083 |
| 49 | Nokesville CDP (east-northeast) | 5,068 |
| 50 | Potomac Mills CDP (north-northeast) | 5,032 |
| 51 | Dale City CDP (northeast) | 4,968 |
| 52 | Haymarket town (east-northeast) | 4,897 |
| 53 | Occoquan town (south) | 4,891 |
| 54 | Potomac Mills CDP (southwest) | 4,834 |
| 55 | Sudley CDP (east-northeast) | 4,815 |
| 56 | Montclair CDP (west) | 4,765 |
| 57 | Dale City CDP (north-northeast) | 4,757 |
| 58 | Leesylvania CDP (northwest 1) | 4,718 |
| 59 | Independent Hill CDP (north) | 4,706 |
| 60 | Bull Run Mountain Estates CDP (west-northwest 2) | 4,515 |
| 61 | Linton Hall CDP (east) | 4,498 |
| 62 | Lake Ridge CDP (south-southwest) | 4,352 |
| 63 | Innovation CDP (north) | 4,338 |
| 64 | Linton Hall CDP (north) | 4,321 |
| 65 | Bull Run CDP (northwest 1) | 4,207 |
| 66 | Innovation CDP (northwest) | 4,184 |
| 67 | Independent Hill CDP (north-northwest) | 4,025 |
| 68 | Nokesville CDP (west) | 3,944 |
| 69 | Dale City CDP (east-southeast) | 3,835 |
| 70 | Bull Run CDP (northwest 2) | 3,801 |
| 71 | Potomac Mills CDP (east-northeast) | 3,787 |
| 72 | Woodbridge CDP (north) | 3,694 |
| 73 | Montclair CDP (south-southeast) | 3,668 |
| 74 | Sudley CDP (west-southwest) | 3,651 |
| 75 | Montclair CDP (southeast) | 3,561 |
| 76 | Occoquan town (southwest) | 3,520 |
| 77 | Occoquan town (north) | 3,514 |
| 78 | Woodbridge CDP (south-southwest) | 3,453 |
| 79 | Dumfries town (east) | 3,425 |
| 80 | Lake Ridge CDP (east) | 3,379 |
| 81 | Quantico Base CDP | 3,347 |
| 82 | Independent Hill CDP (west) | 3,193 |
| 83 | Nokesville CDP (north) | 3,181 |
| 84 | Occoquan town (east) | 3,180 |
| 85 | County Center CDP (east-southeast) | 3,079 |
| 86 | Linton Hall CDP (south-southwest) | 3,054 |
| 87 | Woodbridge CDP (east-southeast) | 3,001 |
| 88 | Haymarket town (southwest) | 2,954 |
| 89 | County Center CDP (north-northwest) | 2,875 |
| 90 | Loch Lomond CDP | 2,574 |
| 91 | Lake Ridge CDP (northwest) | 2,553 |
| 92 | Quantico town | 2,474 |