Most populated ZIP codes in Wyoming
The ZIP codes in Wyoming with the most residents.
| Rank | ZIP code | City | County | Population | Population |
|---|
| 1 | 82001 | Cheyenne, WY | Laramie County | 38,168 | 38,168 |
| 2 | 82009 | Cheyenne, WY | Laramie County | 35,081 | 35,081 |
| 3 | 82604 | Casper, WY | Natrona County | 27,487 | 27,487 |
| 4 | 82901 | Rock Springs, WY | Sweetwater County | 27,198 | 27,198 |
| 5 | 82601 | Casper, WY | Natrona County | 26,721 | 26,721 |
| 6 | 82718 | Gillette, WY | Campbell County | 26,619 | 26,619 |
| 7 | 82801 | Sheridan, WY | Sheridan County | 26,310 | 26,310 |
| 8 | 82007 | Cheyenne, WY | Laramie County | 21,704 | 21,704 |
| 9 | 82070 | Laramie, WY | Albany County | 20,144 | 20,144 |
| 10 | 82501 | Riverton, WY | Fremont County | 19,413 | 19,413 |
| 11 | 82609 | Casper, WY | Natrona County | 18,714 | 18,714 |
| 12 | 83001 | Jackson, WY | Teton County | 17,445 | 17,445 |
| 13 | 82072 | Laramie, WY | Albany County | 16,931 | 16,931 |
| 14 | 82716 | Gillette, WY | Campbell County | 16,817 | 16,817 |
| 15 | 82414 | Cody, WY | Park County | 16,582 | 16,582 |
| 16 | 82930 | Evanston, WY | Summit County | 14,435 | 14,435 |
| 17 | 82520 | Lander, WY | Fremont County | 13,266 | 13,266 |
| 18 | 82435 | Powell, WY | Park County | 12,337 | 12,337 |
| 19 | 82935 | Green River, WY | Sweetwater County | 12,012 | 12,012 |
| 20 | 82240 | Torrington, WY | Goshen County | 9,667 | 9,667 |
| 21 | 82633 | Douglas, WY | Converse County | 9,317 | 9,317 |
| 22 | 82301 | Rawlins, WY | Carbon County | 8,180 | 8,180 |
| 23 | 82834 | Buffalo, WY | Johnson County | 7,588 | 7,588 |
| 24 | 82401 | Worland, WY | Washakie County | 7,067 | 7,067 |
| 25 | 82201 | Wheatland, WY | Platte County | 6,245 | 6,245 |
| 26 | 82701 | Newcastle, WY | Weston County | 5,459 | 5,459 |
| 27 | 83110 | Afton, WY | Lincoln County | 5,198 | 5,198 |
| 28 | 82941 | Pinedale, WY | Sublette County | 4,679 | 4,679 |
| 29 | 82443 | Thermopolis, WY | Hot Springs County | 4,533 | 4,533 |
| 30 | 82637 | Glenrock, WY | Converse County | 4,425 | 4,425 |
| 31 | 82636 | Evansville, WY | Natrona County | 4,259 | 4,259 |
| 32 | 83127 | Thayne, WY | Lincoln County | 3,812 | 3,812 |
| 33 | 83101 | Kemmerer, WY | Lincoln County | 3,731 | 3,731 |
| 34 | 82937 | Lyman, WY | Uinta County | 3,542 | 3,542 |
| 35 | 82431 | Lovell, WY | Big Horn County | 3,224 | 3,224 |
| 36 | 83014 | Wilson, WY | Teton County | 3,098 | 3,098 |
| 37 | 82721 | Moorcroft, WY | Crook County | 2,955 | 2,955 |
| 38 | 82426 | Greybull, WY | Big Horn County | 2,941 | 2,941 |
| 39 | 83113 | Big Piney, WY | Sublette County | 2,431 | 2,431 |
| 40 | 82729 | Sundance, WY | Crook County | 2,331 | 2,331 |
| 41 | 82331 | Saratoga, WY | Carbon County | 2,250 | 2,250 |
| 42 | 82644 | Mills, WY | Natrona County | 2,098 | 2,098 |
| 43 | 82727 | Rozet, WY | Campbell County | 2,040 | 2,040 |
| 44 | 83128 | Alpine, WY | Lincoln County | 2,033 | 2,033 |
| 45 | 82410 | Basin, WY | Big Horn County | 1,938 | 1,938 |
| 46 | 82082 | Pine Bluffs, WY | Laramie County | 1,891 | 1,891 |
| 47 | 82732 | Wright, WY | Campbell County | 1,671 | 1,671 |
| 48 | 82839 | Ranchester, WY | Sheridan County | 1,661 | 1,661 |
| 49 | 82053 | Burns, WY | Laramie County | 1,656 | 1,656 |
| 50 | 82513 | Dubois, WY | Fremont County | 1,627 | 1,627 |
Source: American Community Survey 2020–2024 5-year estimates. Only ZIP codes with a delivery area are ranked. Methodology
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