| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80631 | Greeley | CO | Weld County | 41300 | 98266 |
| 80632 | Greeley | CO | Weld County | 1249 | |
| 80633 | Greeley | CO | Weld County | 670 | |
| 80634 | Greeley | CO | Weld County | 55040 | |
| 80638 | Greeley | CO | Weld County | 0 | |
| 80639 | Greeley | CO | Weld County | 7 |
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80534 | Johnstown | CO | Weld County | 15630 | 79193 |
| 80543 | Milliken | CO | Weld County | 6640 | |
| 80550 | Windsor | CO | Weld County | 26460 | |
| 80551 | Windsor | CO | Weld County | 0 | |
| 80610 | Ault | CO | Weld County | 2780 | |
| 80611 | Briggsdale | CO | Weld County | 650 | |
| 80612 | Carr | CO | Weld County | 480 | |
| 80622 | Galeton | CO | Weld County | 290 | |
| 80623 | Gilcrest | CO | Weld County | 1197 | |
| 80624 | Gill | CO | Weld County | 1030 | |
| 80644 | Kersey | CO | Weld County | 2990 | |
| 80648 | Nunn | CO | Weld County | 980 | |
| 80729 | Grover | CO | Weld County | 350 | |
| 80732 | Hereford | CO | Weld County | 63 | |
| 80742 | New Raymer | CO | Weld County | 200 | |
| 80754 | Stoneham | CO | Weld County | 128 | |
| 80520 | Firestone | CO | Weld County | 1822 | |
| 80530 | Frederick | CO | Weld County | 4350 | |
| 80542 | Mead | CO | Weld County | 4670 | |
| 80546 | Severance | CO | Weld County | 463 | |
| 80615 | Eaton | CO | Weld County | 8020 |
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80514 | Dacono | CO | Weld County | 4840 | 91357 |
| 80516 | Erie | CO | Weld County | 25090 | |
| 80603 | Brighton | CO | Weld County | 12910 | |
| 80620 | Evans | CO | Weld County | 18160 | |
| 80621 | Fort Lupton | CO | Weld County | 13060 | |
| 80642 | Hudson | CO | Weld County | 3760 | |
| 80643 | Keenesburg | CO | Weld County | 2770 | |
| 80645 | La Salle | CO | Weld County | 3970 | |
| 80646 | Lucerne | CO | Weld County | 237 | |
| 80650 | Pierce | CO | Weld County | 1620 | |
| 80651 | Platteville | CO | Weld County | 4330 | |
| 80652 | Roggen | CO | Weld County | 610 |