All counties in the State of Wyoming.
| Name | Status | Population census 2000-04-01 | Population estimate 2005-07-01 | Population estimate 2009-07-01 | |
|---|---|---|---|---|---|
| Albany | County | 32,014 | 32,610 | 33,979 | o |
| Big Horn | County | 11,461 | 11,218 | 11,581 | o |
| Campbell | County | 33,698 | 37,061 | 43,967 | o |
| Carbon | County | 15,639 | 15,012 | 15,720 | o |
| Converse | County | 12,052 | 12,453 | 13,578 | o |
| Crook | County | 5,887 | 6,017 | 6,653 | o |
| Fremont | County | 35,804 | 36,277 | 38,719 | o |
| Goshen | County | 12,538 | 12,067 | 12,319 | o |
| Hot Springs | County | 4,882 | 4,502 | 4,590 | o |
| Johnson | County | 7,075 | 7,646 | 8,531 | o |
| Laramie | County | 81,607 | 85,270 | 88,854 | o |
| Lincoln | County | 14,573 | 15,345 | 16,995 | o |
| Natrona | County | 66,533 | 69,442 | 74,508 | o |
| Niobrara | County | 2,407 | 2,229 | 2,366 | o |
| Park | County | 25,786 | 26,361 | 27,976 | o |
| Platte | County | 8,807 | 8,463 | 8,196 | o |
| Sheridan | County | 26,560 | 27,121 | 29,163 | o |
| Sublette | County | 5,920 | 6,870 | 8,792 | o |
| Sweetwater | County | 37,613 | 37,266 | 41,226 | o |
| Teton | County | 18,250 | 19,343 | 20,710 | o |
| Uinta | County | 19,742 | 19,431 | 20,927 | o |
| Washakie | County | 8,291 | 7,763 | 7,911 | o |
| Weston | County | 6,644 | 6,475 | 7,009 | o |
| Wyoming | Federal State | 493,783 | 506,242 | 544,270 |
Contents: All incorporated places in the State of Wyoming.
| Name | Status | County | Population census 2000-04-01 | Population estimate 2005-07-01 | Population estimate 2009-07-01 | |
|---|---|---|---|---|---|---|
| Afton | Town | Lincoln | 1,855 | 1,749 | 1,906 | o |
| Albin | Town | Laramie | 120 | 118 | 117 | o |
| Alpine | Town | Lincoln | 556 | 753 | 827 | o |
| Baggs | Town | Carbon | 348 | 349 | 423 | o |
| Bairoil | Town | Sweetwater | 97 | 95 | 98 | o |
| Bar Nunn | Town | Natrona | 936 | 1,286 | 1,926 | o |
| Basin | Town | Big Horn | 1,246 | 1,223 | 1,290 | o |
| Big Piney | Town | Sublette | 427 | 471 | 531 | o |
| Buffalo | City | Johnson | 3,910 | 4,266 | 4,888 | o |
| Burlington | Town | Big Horn | 250 | 246 | 273 | o |
| Burns | Town | Laramie | 285 | 312 | 319 | o |
| Byron | Town | Big Horn | 557 | 545 | 573 | o |
| Casper | City | Natrona | 49,735 | 51,389 | 54,874 | o |
| Cheyenne | City | Laramie | 53,399 | 55,392 | 57,478 | o |
| Chugwater | Town | Platte | 244 | 227 | 218 | o |
| Clearmont | Town | Sheridan | 115 | 115 | 114 | o |
| Cody | City | Park | 8,900 | 8,994 | 9,435 | o |
| Cokeville | Town | Lincoln | 509 | 471 | 501 | o |
| Cowley | Town | Big Horn | 560 | 579 | 643 | o |
| Dayton | Town | Sheridan | 695 | 728 | 794 | o |
| Deaver | Town | Big Horn | 177 | 176 | 182 | o |
| Diamondville | Town | Lincoln | 716 | 666 | 679 | o |
| Dixon | Town | Carbon | 79 | 79 | 82 | o |
| Douglas | City | Converse | 5,306 | 5,466 | 6,212 | o |
| Dubois | Town | Fremont | 971 | 995 | 1,088 | o |
| East Thermopolis | Town | Hot Springs | 274 | 258 | 264 | o |
| Edgerton | Town | Natrona | 169 | 173 | 179 | o |
| Elk Mountain | Town | Carbon | 192 | 188 | 201 | o |
| Encampment | Town | Carbon | 443 | 434 | 455 | o |
| Evanston | City | Uinta | 11,532 | 11,214 | 11,958 | o |
| Evansville | Town | Natrona | 2,259 | 2,335 | 2,504 | o |
| Fort Laramie | Town | Goshen | 243 | 230 | 235 | o |
| Frannie | Town | 209 | 208 | 213 | o | |
| Gillette | City | Campbell | 20,349 | 22,520 | 28,726 | o |
| Glendo | Town | Platte | 229 | 224 | 211 | o |
| Glenrock | Town | Converse | 2,244 | 2,298 | 2,466 | o |
| Granger | Town | Sweetwater | 146 | 144 | 149 | o |
| Green River | City | Sweetwater | 11,808 | 11,534 | 12,411 | o |
| Greybull | Town | Big Horn | 1,815 | 1,740 | 1,774 | o |
| Guernsey | Town | Platte | 1,147 | 1,101 | 1,064 | o |
| Hanna | Town | Carbon | 873 | 843 | 871 | o |
| Hartville | Town | Platte | 76 | 73 | 68 | o |
| Hudson | Town | Fremont | 407 | 413 | 435 | o |
| Hulett | Town | Crook | 435 | 446 | 516 | o |
| Jackson | Town | Teton | 8,635 | 9,176 | 9,915 | o |
| Kaycee | Town | Johnson | 249 | 272 | 293 | o |
| Kemmerer | City | Lincoln | 2,653 | 2,437 | 2,513 | o |
| Kirby | Town | Hot Springs | 55 | 52 | 53 | o |
| La Barge | Town | Lincoln | 431 | 403 | 483 | o |
| La Grange | Town | Goshen | 336 | 332 | 335 | o |
| Lander | City | Fremont | 6,928 | 6,903 | 7,387 | o |
| Laramie | City | Albany | 27,402 | 27,694 | 28,850 | o |
| Lingle | Town | Goshen | 510 | 485 | 496 | o |
| Lost Springs | Town | Converse | 1 | 1 | 1 | o |
| Lovell | Town | Big Horn | 2,366 | 2,261 | 2,325 | o |
| Lusk | Town | Niobrara | 1,450 | 1,318 | 1,429 | o |
| Lyman | Town | Uinta | 1,942 | 1,894 | 2,034 | o |
| Manderson | Town | Big Horn | 104 | 101 | 104 | o |
| Manville | Town | Niobrara | 103 | 98 | 101 | o |
| Marbleton | Town | Sublette | 781 | 876 | 1,113 | o |
| Medicine Bow | Town | Carbon | 274 | 260 | 269 | o |
| Meeteetse | Town | Park | 351 | 343 | 346 | o |
| Midwest | Town | Natrona | 408 | 425 | 438 | o |
| Mills | Town | Natrona | 3,159 | 3,450 | 3,574 | o |
| Moorcroft | Town | Crook | 825 | 843 | 926 | o |
| Mountain View | Town | Uinta | 1,168 | 1,147 | 1,235 | o |
| Newcastle | City | Weston | 3,267 | 3,159 | 3,404 | o |
| Opal | Town | Lincoln | 102 | 95 | 98 | o |
| Pavillion | Town | Fremont | 165 | 164 | 174 | o |
| Pine Bluffs | Town | Laramie | 1,153 | 1,165 | 1,168 | o |
| Pine Haven | Town | Crook | 222 | 309 | 396 | o |
| Pinedale | Town | Sublette | 1,406 | 1,647 | 2,221 | o |
| Powell | City | Park | 5,592 | 5,509 | 5,786 | o |
| Ranchester | Town | Sheridan | 701 | 711 | 822 | o |
| Rawlins | City | Carbon | 9,060 | 8,525 | 8,793 | o |
| Riverside | Town | Carbon | 59 | 58 | 64 | o |
| Riverton | City | Fremont | 9,273 | 9,450 | 10,249 | o |
| Rock River | Town | Albany | 235 | 228 | 221 | o |
| Rock Springs | City | Sweetwater | 18,654 | 18,422 | 20,905 | o |
| Rolling Hills | Town | Converse | 456 | 461 | 512 | o |
| Saratoga | Town | Carbon | 1,726 | 1,678 | 1,778 | o |
| Sheridan | City | Sheridan | 15,889 | 16,176 | 17,461 | o |
| Shoshoni | Town | Fremont | 635 | 660 | 711 | o |
| Sinclair | Town | Carbon | 423 | 397 | 406 | o |
| Star Valley Ranch | Town | Lincoln | 652 | 623 | 696 | o |
| Sundance | Town | Crook | 1,211 | 1,205 | 1,339 | o |
| Superior | Town | Sweetwater | 244 | 234 | 242 | o |
| Ten Sleep | Town | Washakie | 310 | 315 | 328 | o |
| Thayne | Town | Lincoln | 351 | 351 | 389 | o |
| Thermopolis | Town | Hot Springs | 3,172 | 2,884 | 2,948 | o |
| Torrington | City | Goshen | 5,845 | 5,519 | 5,688 | o |
| Upton | Town | Weston | 878 | 841 | 919 | o |
| Van Tassell | Town | Niobrara | 18 | 18 | 18 | o |
| Wamsutter | Town | Sweetwater | 261 | 262 | 310 | o |
| Wheatland | Town | Platte | 3,548 | 3,403 | 3,236 | o |
| Worland | City | Washakie | 5,334 | 4,940 | 5,054 | o |
| Wright | Town | Campbell | 1,347 | 1,424 | 1,550 | o |
| Yoder | Town | Goshen | 169 | 162 | 164 | o |
Source: US Census Bureau (web).
2010-11-23WWW.CITYPOPULATION.DE