| Rank | City | 2010 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Cheyenne | 57,478 | 0.8% |
| 2 | Casper | 54,874 | 1.1% |
| 3 | Laramie | 28,850 | 0.6% |
| 4 | Gillette | 28,726 | 3.8% |
| 5 | Rock Springs | 20,905 | 1.3% |
| 6 | Sheridan | 17,461 | 1.0% |
| 7 | Green River | 12,411 | 0.6% |
| 8 | Evanston | 11,958 | 0.5% |
| 9 | Riverton | 10,249 | 1.1% |
| 10 | Jackson | 9,915 | 1.5% |
| 11 | Cody | 9,435 | 0.7% |
| 12 | Rawlins | 8,793 | -0.3% |
| 13 | Lander | 7,387 | 0.7% |
| 14 | Douglas | 6,212 | 1.7% |
| 15 | Powell | 5,786 | 0.4% |
| 16 | Torrington | 5,688 | -0.3% |
| 17 | Worland | 5,054 | -0.5% |
| 18 | Buffalo | 4,888 | 2.5% |
| 19 | Mills | 3,574 | 1.3% |
| 20 | Newcastle | 3,404 | 0.5% |
| 21 | Wheatland | 3,236 | -0.9% |
| 22 | Thermopolis | 2,948 | -0.8% |
| 23 | Kemmerer | 2,513 | -0.6% |
| 24 | Evansville | 2,504 | 1.1% |
| 25 | Glenrock | 2,466 | 1.0% |
| 26 | Lovell | 2,325 | -0.1% |
| 27 | Pinedale | 2,221 | 5.2% |
| 28 | Lyman | 2,034 | 0.6% |
| 29 | Bar Nunn | 1,926 | 8.3% |
| 30 | Afton | 1,906 | 0.3% |
| 31 | Saratoga | 1,778 | 0.4% |
| 32 | Greybull | 1,774 | -0.2% |
| 33 | Wright | 1,550 | 1.5% |
| 34 | Lusk | 1,429 | -0.1% |
| 35 | Sundance | 1,339 | 1.1% |
| 36 | Basin | 1,290 | 0.4% |
| 37 | Mountain View | 1,235 | 0.7% |
| 38 | Pine Bluffs | 1,168 | 0.1% |
| 39 | Marbleton | 1,113 | 4.0% |
| 40 | Dubois | 1,088 | 1.3% |
| 41 | Guernsey | 1,064 | -0.8% |
| 42 | Moorcroft | 926 | 1.3% |
| 43 | Upton | 919 | 0.5% |
| 44 | Hanna | 871 | 0.0% |
| 45 | Dayton | 794 | 1.5% |
| 46 | Shoshoni | 711 | 1.3% |
| 47 | Diamondville | 679 | -0.6% |
| 48 | Cowley | 643 | 1.5% |
| 49 | Byron | 573 | 0.4% |
| 50 | Big Piney | 531 | 2.4% |
| 51 | Bear River | 518 | 1.0% |
| 52 | Hulett | 516 | 1.9% |
| 53 | Rolling Hills | 512 | 1.2% |
| 54 | Cokeville | 501 | -0.2% |
| 55 | Lingle | 496 | -0.3% |
| 56 | La Barge | 483 | 1.3% |
| 57 | Encampment | 455 | 0.3% |
| 58 | Midwest | 438 | 0.8% |
| 59 | Hudson | 435 | 0.7% |
| 60 | Baggs | 423 | 2.2% |
| 61 | Sinclair | 406 | -0.4% |
| 62 | Pine Haven | 396 | 6.5% |
| 63 | Thayne | 389 | 1.1% |
| 64 | Meeteetse | 346 | -0.2% |
| 65 | La Grange | 335 | -0.0% |
| 66 | Ten Sleep | 328 | 0.6% |
| 67 | Burns | 319 | 1.2% |
| 68 | Wamsutter | 310 | 2.0% |
| 69 | Kaycee | 293 | 1.8% |
| 70 | Burlington | 273 | 1.0% |
| 71 | Medicine Bow | 269 | -0.2% |
| 72 | Elk Mountain | 201 | 0.6% |
| 73 | Deaver | 182 | 0.4% |
| 74 | Edgerton | 179 | 0.6% |
| 75 | Pavillion | 174 | 0.6% |
| 76 | Yoder | 164 | -0.3% |
| 77 | Granger | 149 | 0.2% |
| 78 | Albin | 117 | -0.3% |
| 79 | Clearmont | 114 | -0.1% |
| 80 | Manderson | 104 | – |
| 81 | Manville | 101 | -0.1% |
| 82 | Opal | 98 | -0.4% |
| 83 | Bairoil | 98 | 0.1% |
| 84 | Dixon | 82 | 0.4% |
| 85 | Hartville | 68 | -1.1% |
| 86 | Riverside | 64 | 0.9% |
| 87 | Kirby | 53 | -0.4% |
| 88 | Van Tassell | 18 | – |
| 89 | Lost Springs | 1 | – |
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