| Rank | City | 2008 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Cheyenne | 56,175 | 0.7% |
| 2 | Casper | 52,952 | 0.9% |
| 3 | Laramie | 27,638 | 0.2% |
| 4 | Gillette | 25,275 | 3.1% |
| 5 | Rock Springs | 19,629 | 0.8% |
| 6 | Sheridan | 16,717 | 0.7% |
| 7 | Green River | 12,047 | 0.3% |
| 8 | Evanston | 11,443 | -0.0% |
| 9 | Riverton | 9,808 | 0.8% |
| 10 | Jackson | 9,638 | 1.5% |
| 11 | Cody | 9,212 | 0.5% |
| 12 | Rawlins | 8,651 | -0.6% |
| 13 | Lander | 7,136 | 0.4% |
| 14 | Douglas | 5,691 | 1.0% |
| 15 | Powell | 5,672 | 0.2% |
| 16 | Torrington | 5,569 | -0.7% |
| 17 | Worland | 4,971 | -0.9% |
| 18 | Buffalo | 4,576 | 2.2% |
| 19 | Mills | 3,508 | 1.4% |
| 20 | Wheatland | 3,331 | -0.8% |
| 21 | Newcastle | 3,307 | 0.2% |
| 22 | Thermopolis | 2,888 | -1.3% |
| 23 | Kemmerer | 2,432 | -1.2% |
| 24 | Glenrock | 2,373 | 0.8% |
| 25 | Evansville | 2,359 | 0.6% |
| 26 | Lovell | 2,282 | -0.4% |
| 27 | Pinedale | 2,019 | 5.3% |
| 28 | Lyman | 1,987 | 0.4% |
| 29 | Afton | 1,785 | -0.5% |
| 30 | Greybull | 1,758 | -0.4% |
| 31 | Saratoga | 1,733 | 0.1% |
| 32 | Bar Nunn | 1,696 | 8.8% |
| 33 | Wright | 1,517 | 1.6% |
| 34 | Lusk | 1,429 | -0.1% |
| 35 | Sundance | 1,270 | 0.7% |
| 36 | Basin | 1,248 | 0.1% |
| 37 | Mountain View | 1,184 | 0.3% |
| 38 | Pine Bluffs | 1,151 | -0.0% |
| 39 | Guernsey | 1,087 | -0.7% |
| 40 | Dubois | 1,039 | 1.0% |
| 41 | Marbleton | 988 | 3.4% |
| 42 | Upton | 890 | 0.2% |
| 43 | Moorcroft | 885 | 1.0% |
| 44 | Hanna | 860 | -0.2% |
| 45 | Alpine | 767 | 4.5% |
| 46 | Dayton | 753 | 1.2% |
| 47 | Ranchester | 749 | 0.9% |
| 48 | Shoshoni | 681 | 1.0% |
| 49 | Star Valley Ranch | 665 | 0.3% |
| 50 | Diamondville | 665 | -1.0% |
| 51 | Cowley | 613 | 1.3% |
| 52 | Byron | 553 | -0.1% |
| 53 | Rolling Hills | 503 | 1.3% |
| 54 | Bear River | 500 | 0.7% |
| 55 | Big Piney | 494 | 2.1% |
| 56 | Hulett | 493 | 1.8% |
| 57 | Lingle | 485 | -0.7% |
| 58 | Cokeville | 472 | -1.0% |
| 59 | La Barge | 449 | 0.6% |
| 60 | Encampment | 447 | 0.2% |
| 61 | Midwest | 430 | 0.8% |
| 62 | Hudson | 422 | 0.5% |
| 63 | Sinclair | 403 | -0.6% |
| 64 | Baggs | 388 | 1.6% |
| 65 | Thayne | 367 | 0.6% |
| 66 | Pine Haven | 363 | 7.1% |
| 67 | Meeteetse | 346 | -0.2% |
| 68 | La Grange | 331 | -0.2% |
| 69 | Ten Sleep | 321 | 0.4% |
| 70 | Burns | 306 | 1.0% |
| 71 | Kaycee | 283 | 1.8% |
| 72 | Wamsutter | 270 | 0.5% |
| 73 | Medicine Bow | 267 | -0.3% |
| 74 | East Thermopolis | 257 | -0.9% |
| 75 | Burlington | 255 | 0.3% |
| 76 | Superior | 240 | -0.2% |
| 77 | Fort Laramie | 230 | -0.8% |
| 78 | Chugwater | 224 | -1.1% |
| 79 | Glendo | 218 | -0.6% |
| 80 | Rock River | 216 | -1.2% |
| 81 | Frannie | 210 | 0.1% |
| 82 | Elk Mountain | 196 | 0.4% |
| 83 | Deaver | 179 | 0.2% |
| 84 | Edgerton | 176 | 0.6% |
| 85 | Pavillion | 168 | 0.3% |
| 86 | Yoder | 161 | -0.7% |
| 87 | Granger | 148 | 0.2% |
| 88 | Albin | 116 | -0.5% |
| 89 | Clearmont | 114 | -0.1% |
| 90 | Manderson | 103 | -0.1% |
| 91 | Manville | 98 | -0.6% |
| 92 | Bairoil | 97 | – |
| 93 | Opal | 95 | -1.0% |
| 94 | Dixon | 81 | 0.4% |
| 95 | Hartville | 71 | -0.8% |
| 96 | Riverside | 61 | 0.5% |
| 97 | Kirby | 52 | -0.8% |
| 98 | Van Tassell | 18 | – |
| 99 | Lost Springs | 1 | – |
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