| 1 | Milliken town (southwest 1) | 13,095 |
| 2 | Severance town (northeast) | 12,244 |
| 3 | Lochbuie town (east) | 8,783 |
| 4 | Gilcrest town (north-northwest) | 8,671 |
| 5 | Firestone town (north-northeast) | 8,095 |
| 6 | Eaton town (south-southwest) | 7,850 |
| 7 | Kersey town (south-southeast) | 7,740 |
| 8 | Milliken town (southwest 2) | 7,600 |
| 9 | Eaton town (north-northeast) | 7,385 |
| 10 | Keenesburg town (east) | 7,298 |
| 11 | Erie town (west-southwest) | 6,838 |
| 12 | Erie town (northeast) | 6,827 |
| 13 | Erie town (south) | 6,565 |
| 14 | Ault town | 6,511 |
| 15 | Mead town (south-southwest) | 6,436 |
| 16 | Berthoud town (northeast) | 6,422 |
| 17 | Firestone town (east-northeast) | 6,307 |
| 18 | Milliken town (east 1) | 6,220 |
| 19 | Briggsdale CDP (northeast) | 5,914 |
| 20 | Gilcrest town (south-southwest) | 5,562 |
| 21 | Fort Lupton city (east 1) | 5,351 |
| 22 | Garden City town (west) | 5,238 |
| 23 | Milliken town (east-southeast) | 5,063 |
| 24 | Dacono city (north) | 5,034 |
| 25 | Windsor town (east-northeast) | 5,002 |
| 26 | Platteville town (east-northeast) | 4,925 |
| 27 | Severance town (west) | 4,740 |
| 28 | Mead town (north-northeast) | 4,692 |
| 29 | Milliken town (east-northeast) | 4,576 |
| 30 | Greeley city (east) | 4,551 |
| 31 | Gilcrest town (north-northeast) | 4,439 |
| 32 | Frederick town (east-southeast) | 4,293 |
| 33 | Gilcrest town (northeast) | 4,031 |
| 34 | Garden City town (south-southwest 2) | 3,985 |
| 35 | Greeley city (south 1) | 3,903 |
| 36 | Milliken town (northwest) | 3,841 |
| 37 | Garden City town (north) | 3,824 |
| 38 | Milliken town (north-northwest) | 3,811 |
| 39 | Eaton town (west) | 3,809 |
| 40 | Severance town (south) | 3,780 |
| 41 | Greeley city (north-northeast 2) | 3,646 |
| 42 | Eaton town (south-southeast 2) | 3,621 |
| 43 | Briggsdale CDP (southwest) | 3,606 |
| 44 | Milliken town (northeast) | 3,553 |
| 45 | Aristocrat Ranchettes CDP (west) | 3,496 |
| 46 | Eaton town (south-southeast 1) | 3,424 |
| 47 | Garden City town (east-southeast) | 3,401 |
| 48 | Garden City town (east-northeast) | 3,262 |
| 49 | Greeley city (north-northwest) | 3,236 |
| 50 | Greeley city (south 2) | 3,217 |
| 51 | Garden City town (south-southwest 1) | 3,197 |
| 52 | Windsor town (west-northwest) | 3,172 |
| 53 | Garden City town (north-northwest) | 3,101 |
| 54 | Fort Lupton city (west-northwest 1) | 3,069 |
| 55 | Greeley city (southeast) | 2,908 |
| 56 | Milliken town (southeast) | 2,883 |
| 57 | Greeley city (west-southwest) | 2,659 |
| 58 | Greeley city (north-northeast 1) | 2,653 |
| 59 | Kersey town (northwest) | 2,554 |
| 60 | Greeley city (west-northwest) | 2,548 |
| 61 | Keenesburg town (west) | 2,532 |
| 62 | Erie town (north-northeast) | 2,469 |
| 63 | Firestone town (west-southwest) | 2,352 |
| 64 | Firestone town (south-southeast) | 2,109 |
| 65 | Windsor town (south-southeast) | 2,064 |
| 66 | Fort Lupton city (northeast) | 1,992 |
| 67 | Milliken town (east 2) | 1,971 |
| 68 | Aristocrat Ranchettes CDP (east) | 1,842 |
| 69 | Kersey town (north-northwest) | 1,768 |
| 70 | Berthoud town (southwest) | 1,761 |
| 71 | Garden City town (east) | 1,761 |
| 72 | Eaton town (east-southeast) | 1,741 |
| 73 | Fort Lupton city (east 2) | 1,563 |
| 74 | Dacono city (west-southwest) | 1,468 |
| 75 | Fort Lupton city (west-northwest 2) | 1,376 |
| 76 | Kersey town (east-southeast) | 1,317 |
| 77 | Kersey town (south-southwest) | 1,314 |
| 78 | Frederick town (south) | 1,280 |
| 79 | Lochbuie town (west) | 1,083 |
| 80 | Platteville town (west-southwest) | 709 |
| 81 | Frederick town (west-northwest) | 697 |
| 82 | Fort Lupton city (south) | 580 |
| 83 | Dacono city (southeast) | 505 |