| Rank | City | 2012 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Cheyenne | 60,204 | 1.2% |
| 2 | Casper | 56,104 | 1.4% |
| 3 | Laramie | 31,270 | 1.5% |
| 4 | Gillette | 30,389 | 4.5% |
| 5 | Rock Springs | 23,373 | 1.5% |
| 6 | Sheridan | 17,486 | 0.2% |
| 7 | Green River | 12,475 | -0.3% |
| 8 | Evanston | 12,216 | -1.2% |
| 9 | Riverton | 10,804 | 1.8% |
| 10 | Jackson | 9,690 | 1.2% |
| 11 | Cody | 9,600 | 0.8% |
| 12 | Rawlins | 9,191 | -0.7% |
| 13 | Lander | 7,580 | 1.2% |
| 14 | Torrington | 6,736 | 3.6% |
| 15 | Powell | 6,279 | -0.6% |
| 16 | Douglas | 6,106 | -0.2% |
| 17 | Worland | 5,446 | -0.7% |
| 18 | Buffalo | 4,622 | 0.8% |
| 19 | Wheatland | 3,631 | 0.1% |
| 20 | Newcastle | 3,490 | -1.2% |
| 21 | Mills | 3,423 | -1.1% |
| 22 | Thermopolis | 3,009 | – |
| 23 | Evansville | 2,767 | 8.8% |
| 24 | Kemmerer | 2,647 | -0.3% |
| 25 | Glenrock | 2,550 | -1.0% |
| 26 | Lovell | 2,373 | 0.6% |
| 27 | Bar Nunn | 2,252 | 1.8% |
| 28 | Lyman | 2,086 | -1.4% |
| 29 | Pinedale | 2,000 | -1.5% |
| 30 | Afton | 1,913 | 0.1% |
| 31 | Greybull | 1,851 | 0.2% |
| 32 | Wright | 1,808 | 0.1% |
| 33 | Saratoga | 1,677 | -0.8% |
| 34 | Lusk | 1,575 | 0.5% |
| 35 | Star Valley Ranch | 1,495 | -0.5% |
| 36 | Mountain View | 1,294 | 0.6% |
| 37 | Basin | 1,291 | 0.5% |
| 38 | Sundance | 1,194 | 1.0% |
| 39 | Guernsey | 1,166 | 1.7% |
| 40 | Pine Bluffs | 1,129 | – |
| 41 | Upton | 1,085 | -1.4% |
| 42 | Marbleton | 1,062 | -2.9% |
| 43 | Moorcroft | 1,020 | 1.1% |
| 44 | Dubois | 990 | 2.0% |
| 45 | Ranchester | 877 | 2.6% |
| 46 | Hanna | 835 | -0.7% |
| 47 | Alpine | 824 | -0.5% |
| 48 | Dayton | 770 | 1.7% |
| 49 | Diamondville | 731 | -0.8% |
| 50 | Cowley | 678 | 3.5% |
| 51 | Shoshoni | 657 | 1.2% |
| 52 | Byron | 594 | 0.2% |
| 53 | Big Piney | 552 | – |
| 54 | La Barge | 545 | -1.1% |
| 55 | Cokeville | 528 | -1.3% |
| 56 | Bear River | 519 | 0.2% |
| 57 | Pine Haven | 492 | 0.4% |
| 58 | Lingle | 476 | 1.7% |
| 59 | Hudson | 463 | 1.1% |
| 60 | La Grange | 454 | 1.3% |
| 61 | Wamsutter | 453 | 0.4% |
| 62 | Encampment | 447 | -0.7% |
| 63 | Baggs | 442 | 0.5% |
| 64 | Rolling Hills | 434 | -1.4% |
| 65 | Sinclair | 429 | -0.9% |
| 66 | Midwest | 399 | -1.2% |
| 67 | Hulett | 386 | 0.8% |
| 68 | Thayne | 361 | -1.4% |
| 69 | Superior | 333 | -0.9% |
| 70 | Meeteetse | 328 | 0.3% |
| 71 | Burlington | 302 | 4.9% |
| 72 | Burns | 300 | -0.3% |
| 73 | Medicine Bow | 281 | -1.1% |
| 74 | Kaycee | 263 | – |
| 75 | Ten Sleep | 259 | -0.4% |
| 76 | East Thermopolis | 253 | -0.4% |
| 77 | Rock River | 245 | – |
| 78 | Pavillion | 236 | 2.2% |
| 79 | Fort Laramie | 233 | 1.3% |
| 80 | Chugwater | 215 | 1.4% |
| 81 | Glendo | 205 | – |
| 82 | Elk Mountain | 192 | 0.5% |
| 83 | Edgerton | 192 | -1.5% |
| 84 | Albin | 182 | 0.6% |
| 85 | Deaver | 181 | 1.7% |
| 86 | Frannie | 160 | 1.9% |
| 87 | Yoder | 154 | 2.0% |
| 88 | Clearmont | 142 | – |
| 89 | Granger | 139 | – |
| 90 | Manderson | 115 | 0.9% |
| 91 | Bairoil | 106 | – |
| 92 | Dixon | 96 | -1.0% |
| 93 | Opal | 95 | -1.0% |
| 94 | Manville | 95 | – |
| 95 | Kirby | 92 | – |
| 96 | Hartville | 62 | – |
| 97 | Riverside | 52 | – |
| 98 | Van Tassell | 15 | – |
| 99 | Lost Springs | 4 | – |
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