| Rank | City | 2023 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Cheyenne | 64,583 | -0.4% |
| 2 | Casper | 58,484 | -0.6% |
| 3 | Gillette | 33,278 | -0.3% |
| 4 | Laramie | 32,181 | 1.4% |
| 5 | Rock Springs | 23,030 | -1.0% |
| 6 | Sheridan | 19,205 | 1.0% |
| 7 | Evanston | 11,854 | 0.5% |
| 8 | Green River | 11,546 | -1.0% |
| 9 | Riverton | 10,870 | 1.5% |
| 10 | Jackson | 10,706 | -0.3% |
| 11 | Cody | 10,220 | 0.8% |
| 12 | Rawlins | 8,170 | -0.4% |
| 13 | Lander | 7,578 | 0.4% |
| 14 | Powell | 6,513 | 1.3% |
| 15 | Douglas | 6,425 | 0.5% |
| 16 | Torrington | 6,211 | 0.7% |
| 17 | Worland | 4,793 | 0.4% |
| 18 | Buffalo | 4,595 | 2.5% |
| 19 | Mills | 4,424 | 2.6% |
| 20 | Wheatland | 3,575 | -0.1% |
| 21 | Newcastle | 3,349 | 1.8% |
| 22 | Bar Nunn | 2,984 | -0.2% |
| 23 | Evansville | 2,765 | 0.1% |
| 24 | Thermopolis | 2,721 | – |
| 25 | Kemmerer | 2,436 | 0.7% |
| 26 | Glenrock | 2,414 | -0.1% |
| 27 | Lovell | 2,329 | 2.3% |
| 28 | Afton | 2,264 | 2.3% |
| 29 | Lyman | 2,181 | 0.9% |
| 30 | Star Valley Ranch | 2,027 | 3.8% |
| 31 | Pinedale | 1,996 | -6.3% |
| 32 | Saratoga | 1,752 | 1.8% |
| 33 | Greybull | 1,693 | 1.0% |
| 34 | Wright | 1,638 | -0.3% |
| 35 | Lusk | 1,441 | -1.9% |
| 36 | Basin | 1,315 | 3.9% |
| 37 | Alpine | 1,310 | 3.3% |
| 38 | Mountain View | 1,288 | 0.3% |
| 39 | Ranchester | 1,175 | 5.2% |
| 40 | Pine Bluffs | 1,142 | -1.0% |
| 41 | Guernsey | 1,124 | -0.2% |
| 42 | Sundance | 1,070 | 2.4% |
| 43 | Moorcroft | 978 | 1.5% |
| 44 | Dubois | 932 | 1.2% |
| 45 | Upton | 894 | -1.5% |
| 46 | Marbleton | 848 | 1.9% |
| 47 | Dayton | 833 | 1.2% |
| 48 | Cowley | 819 | 3.1% |
| 49 | Hanna | 680 | 0.1% |
| 50 | Byron | 570 | 0.7% |
| 51 | Diamondville | 531 | 0.9% |
| 52 | Bear River | 526 | 0.6% |
| 53 | Pine Haven | 526 | 2.7% |
| 54 | Cokeville | 501 | 0.1% |
| 55 | Shoshoni | 491 | 1.8% |
| 56 | Encampment | 453 | 0.6% |
| 57 | Hudson | 433 | -0.6% |
| 58 | Rolling Hills | 425 | – |
| 59 | Baggs | 409 | 0.9% |
| 60 | La Barge | 402 | 0.4% |
| 61 | Lingle | 398 | -0.1% |
| 62 | Thayne | 396 | 1.3% |
| 63 | Big Piney | 389 | 1.6% |
| 64 | LaGrange | 378 | 0.4% |
| 65 | Burns | 374 | 2.6% |
| 66 | Sinclair | 370 | -0.3% |
| 67 | Burlington | 352 | 5.0% |
| 68 | Hulett | 319 | 1.3% |
| 69 | Meeteetse | 314 | 0.2% |
| 70 | Midwest | 284 | -0.4% |
| 71 | Kaycee | 271 | 3.9% |
| 72 | Ten Sleep | 254 | 1.2% |
| 73 | Medicine Bow | 245 | 0.8% |
| 74 | Glendo | 240 | 0.8% |
| 75 | East Thermopolis | 233 | 1.1% |
| 76 | Pavillion | 226 | 0.2% |
| 77 | Rock River | 215 | -0.2% |
| 78 | Fort Laramie | 210 | 0.5% |
| 79 | Wamsutter | 199 | -1.0% |
| 80 | Superior | 182 | -0.8% |
| 81 | Chugwater | 174 | -1.1% |
| 82 | Albin | 164 | -1.5% |
| 83 | Deaver | 164 | 2.9% |
| 84 | Edgerton | 153 | -0.3% |
| 85 | Elk Mountain | 152 | 0.3% |
| 86 | Frannie | 141 | – |
| 87 | Yoder | 132 | 0.4% |
| 88 | Clearmont | 122 | 3.4% |
| 89 | Granger | 93 | -1.1% |
| 90 | Manderson | 91 | 1.7% |
| 91 | Manville | 91 | -1.6% |
| 92 | Kirby | 75 | – |
| 93 | Dixon | 73 | -0.7% |
| 94 | Bairoil | 66 | -1.5% |
| 95 | Hartville | 66 | 0.8% |
| 96 | Opal | 64 | 0.8% |
| 97 | Riverside | 64 | 0.8% |
| 98 | Van Tassell | 23 | – |
| 99 | Lost Springs | 4 | – |
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