| Rank | City | 2007 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Cheyenne | 55,746 | 0.7% |
| 2 | Casper | 51,884 | 0.7% |
| 3 | Laramie | 27,899 | 0.4% |
| 4 | Gillette | 23,615 | 2.4% |
| 5 | Rock Springs | 18,886 | 0.3% |
| 6 | Sheridan | 16,335 | 0.5% |
| 7 | Green River | 11,659 | -0.1% |
| 8 | Evanston | 11,273 | -0.3% |
| 9 | Riverton | 9,616 | 0.6% |
| 10 | Jackson | 9,378 | 1.3% |
| 11 | Cody | 9,112 | 0.4% |
| 12 | Rawlins | 8,469 | -1.0% |
| 13 | Lander | 7,006 | 0.2% |
| 14 | Powell | 5,597 | 0.0% |
| 15 | Douglas | 5,554 | 0.7% |
| 16 | Torrington | 5,529 | -0.9% |
| 17 | Worland | 4,884 | -1.4% |
| 18 | Buffalo | 4,345 | 1.7% |
| 19 | Mills | 3,456 | 1.4% |
| 20 | Wheatland | 3,365 | -0.8% |
| 21 | Newcastle | 3,202 | -0.3% |
| 22 | Thermopolis | 2,888 | -1.5% |
| 23 | Kemmerer | 2,428 | -1.4% |
| 24 | Glenrock | 2,332 | 0.6% |
| 25 | Evansville | 2,331 | 0.5% |
| 26 | Lovell | 2,262 | -0.7% |
| 27 | Lyman | 1,913 | -0.2% |
| 28 | Pinedale | 1,799 | 4.2% |
| 29 | Afton | 1,752 | -0.9% |
| 30 | Greybull | 1,742 | -0.6% |
| 31 | Saratoga | 1,698 | -0.2% |
| 32 | Bar Nunn | 1,522 | 8.4% |
| 33 | Wright | 1,479 | 1.4% |
| 34 | Lusk | 1,337 | -1.2% |
| 35 | Basin | 1,231 | -0.1% |
| 36 | Sundance | 1,213 | 0.0% |
| 37 | Mountain View | 1,160 | -0.0% |
| 38 | Pine Bluffs | 1,154 | -0.0% |
| 39 | Guernsey | 1,102 | -0.5% |
| 40 | Dubois | 1,016 | 0.7% |
| 41 | Marbleton | 913 | 2.6% |
| 42 | Upton | 856 | -0.4% |
| 43 | Moorcroft | 851 | 0.5% |
| 44 | Hanna | 845 | -0.5% |
| 45 | Alpine | 760 | 5.2% |
| 46 | Dayton | 750 | 1.3% |
| 47 | Ranchester | 733 | 0.7% |
| 48 | Shoshoni | 666 | 0.8% |
| 49 | Diamondville | 662 | -1.3% |
| 50 | Star Valley Ranch | 619 | -0.8% |
| 51 | Cowley | 587 | 0.8% |
| 52 | Byron | 546 | -0.3% |
| 53 | Rolling Hills | 496 | 1.3% |
| 54 | Bear River | 486 | 0.4% |
| 55 | Lingle | 486 | -0.8% |
| 56 | Big Piney | 470 | 1.6% |
| 57 | Cokeville | 467 | -1.4% |
| 58 | Hulett | 459 | 0.9% |
| 59 | Encampment | 437 | -0.2% |
| 60 | Midwest | 425 | 0.7% |
| 61 | La Barge | 425 | -0.2% |
| 62 | Hudson | 416 | 0.4% |
| 63 | Sinclair | 397 | -1.0% |
| 64 | Baggs | 365 | 0.8% |
| 65 | Thayne | 351 | – |
| 66 | Meeteetse | 344 | -0.3% |
| 67 | La Grange | 332 | -0.2% |
| 68 | Pine Haven | 331 | 6.7% |
| 69 | Ten Sleep | 313 | 0.1% |
| 70 | Burns | 307 | 1.2% |
| 71 | Kaycee | 274 | 1.5% |
| 72 | Wamsutter | 264 | 0.3% |
| 73 | Medicine Bow | 261 | -0.7% |
| 74 | East Thermopolis | 258 | -0.9% |
| 75 | Burlington | 247 | -0.1% |
| 76 | Superior | 235 | -0.6% |
| 77 | Fort Laramie | 230 | -0.9% |
| 78 | Chugwater | 226 | -1.1% |
| 79 | Glendo | 221 | -0.5% |
| 80 | Rock River | 220 | -1.1% |
| 81 | Frannie | 209 | 0.1% |
| 82 | Elk Mountain | 191 | – |
| 83 | Deaver | 177 | 0.1% |
| 84 | Edgerton | 173 | 0.4% |
| 85 | Pavillion | 166 | 0.1% |
| 86 | Yoder | 161 | -0.8% |
| 87 | Granger | 145 | -0.1% |
| 88 | Albin | 116 | -0.6% |
| 89 | Clearmont | 115 | – |
| 90 | Manderson | 102 | -0.3% |
| 91 | Manville | 96 | -1.0% |
| 92 | Bairoil | 95 | -0.3% |
| 93 | Opal | 94 | -1.4% |
| 94 | Dixon | 80 | 0.2% |
| 95 | Hartville | 72 | -0.7% |
| 96 | Riverside | 60 | 0.3% |
| 97 | Kirby | 52 | -0.9% |
| 98 | Van Tassell | 17 | -0.9% |
| 99 | Lost Springs | 1 | – |
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