Colorado Population Estimates
| Area | Census 2000 | 7/1/2009 | Absolute Change | Relative Change |
| Colorado | 4,301,261 | 5,024,748 | 723,487 | 16.82% |
|---|---|---|---|---|
| Aguilar town | 593 | 568 | -25 | -4.22% |
| Akron town | 1,711 | 1,638 | -73 | -4.27% |
| Alamosa city | 7,960 | 8,756 | 796 | 10.00% |
| Alma town | 179 | 169 | -10 | -5.59% |
| Antonito town | 873 | 761 | -112 | -12.83% |
| Arriba town | 244 | 201 | -43 | -17.62% |
| Arvada city | 102,153 | 108,208 | 6,055 | 5.93% |
| Aspen city | 5,914 | 6,089 | 175 | 2.96% |
| Ault town | 1,432 | 1,467 | 35 | 2.44% |
| Aurora city | 276,393 | 323,348 | 46,955 | 16.99% |
| Avon town | 5,561 | 6,720 | 1,159 | 20.84% |
| Basalt town | 2,681 | 3,332 | 651 | 24.28% |
| Bayfield town | 1,549 | 2,087 | 538 | 34.73% |
| Bennett town | 2,021 | 2,659 | 638 | 31.57% |
| Berthoud town | 4,839 | 5,474 | 635 | 13.12% |
| Bethune town | 225 | 215 | -10 | -4.44% |
| Black Hawk city | 118 | 114 | -4 | -3.39% |
| Blanca town | 391 | 331 | -60 | -15.35% |
| Blue River town | 685 | 997 | 312 | 45.55% |
| Bonanza town | 14 | 14 | 0 | 0.00% |
| Boone town | 323 | 339 | 16 | 4.95% |
| Boulder city | 94,673 | 100,160 | 5,487 | 5.80% |
| Bow Mar town | 847 | 823 | -24 | -2.83% |
| Branson town | 77 | 77 | 0 | 0.00% |
| Breckenridge town | 2,408 | 3,533 | 1,125 | 46.72% |
| Brighton city | 20,905 | 32,281 | 11,376 | 54.42% |
| Brookside town | 219 | 207 | -12 | -5.48% |
| Broomfield city | 38,272 | 55,990 | 17,718 | 46.29% |
| Brush city | 5,117 | 5,391 | 274 | 5.35% |
| Buena Vista town | 2,195 | 2,143 | -52 | -2.37% |
| Burlington city | 3,678 | 4,397 | 719 | 19.55% |
| Calhan town | 896 | 883 | -13 | -1.45% |
| Campo town | 150 | 123 | -27 | -18.00% |
| Cañon City city | 15,431 | 15,906 | 475 | 3.08% |
| Carbondale town | 5,196 | 6,313 | 1,117 | 21.50% |
| Castle Rock town | 20,224 | 45,691 | 25,467 | 125.92% |
| Cedaredge town | 1,854 | 2,272 | 418 | 22.55% |
| Center town | 2,392 | 2,383 | -9 | -0.38% |
| Central City city | 515 | 645 | 130 | 25.24% |
| Cheraw town | 211 | 200 | -11 | -5.21% |
| Cherry Hills Village city | 5,958 | 6,437 | 479 | 8.04% |
| Cheyenne Wells town | 1,010 | 786 | -224 | -22.18% |
| Coal Creek town | 303 | 366 | 63 | 20.79% |
| Cokedale town | 139 | 133 | -6 | -4.32% |
| Collbran town | 388 | 439 | 51 | 13.14% |
| Colorado Springs city | 360,890 | 399,827 | 38,937 | 10.79% |
| Columbine Valley town | 1,132 | 1,331 | 199 | 17.58% |
| Commerce City city | 20,991 | 44,067 | 23,076 | 109.93% |
| Cortez city | 7,977 | 8,632 | 655 | 8.21% |
| Craig city | 9,189 | 9,301 | 112 | 1.22% |
| Crawford town | 366 | 395 | 29 | 7.92% |
| Creede town | 377 | 403 | 26 | 6.90% |
| Crested Butte town | 1,529 | 1,673 | 144 | 9.42% |
| Crestone town | 73 | 109 | 36 | 49.32% |
| Cripple Creek city | 1,115 | 1,025 | -90 | -8.07% |
| Crook town | 128 | 123 | -5 | -3.91% |
| Crowley town | 187 | 162 | -25 | -13.37% |
| Dacono city | 3,015 | 4,172 | 1,157 | 38.37% |
| De Beque town | 451 | 543 | 92 | 20.40% |
| Deer Trail town | 598 | 585 | -13 | -2.17% |
| Del Norte town | 1,705 | 1,592 | -113 | -6.63% |
| Delta city | 6,400 | 9,253 | 2,853 | 44.58% |
| Denver city | 554,636 | 610,345 | 55,709 | 10.04% |
| Dillon town | 802 | 810 | 8 | 1.00% |
| Dinosaur town | 319 | 338 | 19 | 5.96% |
| Dolores town | 857 | 916 | 59 | 6.88% |
| Dove Creek town | 698 | 728 | 30 | 4.30% |
| Durango city | 13,922 | 16,627 | 2,705 | 19.43% |
| Eads town | 747 | 567 | -180 | -24.10% |
| Eagle town | 3,032 | 6,033 | 3,001 | 98.98% |
| Eaton town | 2,690 | 4,264 | 1,574 | 58.51% |
| Eckley town | 278 | 269 | -9 | -3.24% |
| Edgewater city | 5,445 | 5,159 | -286 | -5.25% |
| Elizabeth town | 1,434 | 1,464 | 30 | 2.09% |
| Empire town | 355 | 319 | -36 | -10.14% |
| Englewood city | 31,727 | 32,883 | 1,156 | 3.64% |
| Erie town | 6,291 | 17,255 | 10,964 | 174.28% |
| Estes Park town | 5,413 | 6,543 | 1,130 | 20.88% |
| Evans city | 9,514 | 19,481 | 9,967 | 104.76% |
| Fairplay town | 610 | 648 | 38 | 6.23% |
| Federal Heights city | 12,065 | 12,274 | 209 | 1.73% |
| Firestone town | 1,908 | 8,356 | 6,448 | 337.95% |
| Flagler town | 612 | 575 | -37 | -6.05% |
| Fleming town | 426 | 431 | 5 | 1.17% |
| Florence city | 3,653 | 3,592 | -61 | -1.67% |
| Fort Collins city | 118,652 | 138,733 | 20,081 | 16.92% |
| Fort Lupton city | 6,787 | 7,737 | 950 | 14.00% |
| Fort Morgan city | 11,034 | 10,469 | -565 | -5.12% |
| Fountain city | 15,197 | 24,430 | 9,233 | 60.76% |
| Fowler town | 1,206 | 1,087 | -119 | -9.87% |
| Foxfield town | 746 | 934 | 188 | 25.20% |
| Fraser town | 910 | 963 | 53 | 5.82% |
| Frederick town | 2,467 | 8,336 | 5,869 | 237.90% |
| Frisco town | 2,443 | 2,744 | 301 | 12.32% |
| Fruita city | 6,478 | 12,274 | 5,796 | 89.47% |
| Garden City town | 357 | 341 | -16 | -4.48% |
| Genoa town | 211 | 173 | -38 | -18.01% |
| Georgetown town | 1,088 | 1,003 | -85 | -7.81% |
| Gilcrest town | 1,162 | 1,169 | 7 | 0.60% |
| Glendale city | 4,547 | 4,829 | 282 | 6.20% |
| Glenwood Springs city | 7,736 | 9,107 | 1,371 | 17.72% |
| Golden city | 17,159 | 17,458 | 299 | 1.74% |
| Granada town | 640 | 577 | -63 | -9.84% |
| Granby town | 1,525 | 1,663 | 138 | 9.05% |
| Grand Junction city | 41,986 | 58,444 | 16,458 | 39.20% |
| Grand Lake town | 447 | 431 | -16 | -3.58% |
| Greeley city | 76,930 | 92,625 | 15,695 | 20.40% |
| Green Mountain Falls town | 773 | 762 | -11 | -1.42% |
| Greenwood Village city | 11,035 | 14,341 | 3,306 | 29.96% |
| Grover town | 153 | 157 | 4 | 2.61% |
| Gunnison city | 5,409 | 5,520 | 111 | 2.05% |
| Gypsum town | 3,654 | 6,299 | 2,645 | 72.39% |
| Hartman town | 111 | 101 | -10 | -9.01% |
| Haswell town | 84 | 65 | -19 | -22.62% |
| Haxtun town | 982 | 964 | -18 | -1.83% |
| Hayden town | 1,634 | 1,647 | 13 | 0.80% |
| Hillrose town | 254 | 271 | 17 | 6.69% |
| Holly town | 1,048 | 951 | -97 | -9.26% |
| Holyoke city | 2,261 | 2,225 | -36 | -1.59% |
| Hooper town | 123 | 124 | 1 | 0.81% |
| Hot Sulphur Springs town | 521 | 514 | -7 | -1.34% |
| Hotchkiss town | 968 | 1,095 | 127 | 13.12% |
| Hudson town | 1,565 | 1,650 | 85 | 5.43% |
| Hugo town | 885 | 723 | -162 | -18.31% |
| Idaho Springs city | 1,889 | 1,695 | -194 | -10.27% |
| Ignacio town | 669 | 797 | 128 | 19.13% |
| Iliff town | 213 | 216 | 3 | 1.41% |
| Jamestown town | 205 | 218 | 13 | 6.34% |
| Johnstown town | 3,827 | 9,651 | 5,824 | 152.18% |
| Julesburg town | 1,467 | 1,237 | -230 | -15.68% |
| Keenesburg town | 855 | 1,191 | 336 | 39.30% |
| Kersey town | 1,389 | 1,486 | 97 | 6.98% |
| Kim town | 65 | 65 | 0 | 0.00% |
| Kiowa town | 581 | 614 | 33 | 5.68% |
| Kit Carson town | 253 | 201 | -52 | -20.55% |
| Kremmling town | 1,578 | 1,476 | -102 | -6.46% |
| La Jara town | 877 | 768 | -109 | -12.43% |
| La Junta city | 7,568 | 7,000 | -568 | -7.51% |
| La Salle town | 1,849 | 2,013 | 164 | 8.87% |
| La Veta town | 924 | 834 | -90 | -9.74% |
| Lafayette city | 23,197 | 26,146 | 2,949 | 12.71% |
| Lake City town | 375 | 375 | 0 | 0.00% |
| Lakeside town | 20 | 19 | -1 | -5.00% |
| Lakewood city | 144,126 | 141,937 | -2,189 | -1.52% |
| Lamar city | 8,869 | 7,874 | -995 | -11.22% |
| Larkspur town | 234 | 343 | 109 | 46.58% |
| Las Animas city | 2,758 | 2,333 | -425 | -15.41% |
| Leadville city | 2,821 | 2,740 | -81 | -2.87% |
| Limon town | 2,071 | 1,700 | -371 | -17.91% |
| Littleton city | 40,340 | 41,084 | 744 | 1.84% |
| Lochbuie town | 2,049 | 5,078 | 3,029 | 147.83% |
| Log Lane Village town | 1,006 | 982 | -24 | -2.39% |
| Lone Tree city | 4,873 | 9,549 | 4,676 | 95.96% |
| Longmont city | 71,093 | 88,425 | 17,332 | 24.38% |
| Louisville city | 18,937 | 19,656 | 719 | 3.80% |
| Loveland city | 50,608 | 66,214 | 15,606 | 30.84% |
| Lyons town | 1,585 | 2,098 | 513 | 32.37% |
| Manassa town | 1,042 | 917 | -125 | -12.00% |
| Mancos town | 1,119 | 1,260 | 141 | 12.60% |
| Manitou Springs city | 4,980 | 5,222 | 242 | 4.86% |
| Manzanola town | 525 | 471 | -54 | -10.29% |
| Marble town | 105 | 104 | -1 | -0.95% |
| Mead town | 2,017 | 3,555 | 1,538 | 76.25% |
| Meeker town | 2,242 | 2,469 | 227 | 10.12% |
| Merino town | 246 | 268 | 22 | 8.94% |
| Milliken town | 2,888 | 6,221 | 3,333 | 115.41% |
| Minturn town | 1,068 | 1,212 | 144 | 13.48% |
| Moffat town | 114 | 126 | 12 | 10.53% |
| Monte Vista city | 4,529 | 3,992 | -537 | -11.86% |
| Montezuma town | 42 | 44 | 2 | 4.76% |
| Montrose city | 12,344 | 18,388 | 6,044 | 48.96% |
| Monument town | 1,971 | 4,903 | 2,932 | 148.76% |
| Morrison town | 430 | 416 | -14 | -3.26% |
| Mount Crested Butte town | 707 | 864 | 157 | 22.21% |
| Mountain View town | 569 | 523 | -46 | -8.08% |
| Mountain Village town | 978 | 1,389 | 411 | 42.02% |
| Naturita town | 635 | 669 | 34 | 5.35% |
| Nederland town | 1,394 | 1,401 | 7 | 0.50% |
| New Castle town | 1,984 | 4,145 | 2,161 | 108.92% |
| Northglenn city | 31,575 | 34,739 | 3,164 | 10.02% |
| Norwood town | 438 | 460 | 22 | 5.02% |
| Nucla town | 734 | 744 | 10 | 1.36% |
| Nunn town | 471 | 551 | 80 | 16.99% |
| Oak Creek town | 849 | 841 | -8 | -0.94% |
| Olathe town | 1,573 | 1,764 | 191 | 12.14% |
| Olney Springs town | 389 | 339 | -50 | -12.85% |
| Ophir town | 113 | 128 | 15 | 13.27% |
| Orchard City town | 2,880 | 3,239 | 359 | 12.47% |
| Ordway town | 1,248 | 1,078 | -170 | -13.62% |
| Otis town | 534 | 460 | -74 | -13.86% |
| Ouray city | 813 | 937 | 124 | 15.25% |
| Ovid town | 330 | 287 | -43 | -13.03% |
| Pagosa Springs town | 1,591 | 1,815 | 224 | 14.08% |
| Palisade town | 2,579 | 2,931 | 352 | 13.65% |
| Palmer Lake town | 2,179 | 2,361 | 182 | 8.35% |
| Paoli town | 42 | 41 | -1 | -2.38% |
| Paonia town | 1,497 | 1,649 | 152 | 10.15% |
| Parachute town | 1,006 | 1,288 | 282 | 28.03% |
| Parker town | 23,558 | 44,718 | 21,160 | 89.82% |
| Peetz town | 227 | 246 | 19 | 8.37% |
| Pierce town | 884 | 888 | 4 | 0.45% |
| Pitkin town | 124 | 118 | -6 | -4.84% |
| Platteville town | 2,370 | 2,692 | 322 | 13.59% |
| Poncha Springs town | 466 | 481 | 15 | 3.22% |
| Pritchett town | 137 | 112 | -25 | -18.25% |
| Pueblo city | 102,121 | 104,877 | 2,756 | 2.70% |
| Ramah town | 117 | 123 | 6 | 5.13% |
| Rangely town | 2,096 | 2,188 | 92 | 4.39% |
| Raymer town | 91 | 93 | 2 | 2.20% |
| Red Cliff town | 289 | 335 | 46 | 15.92% |
| Rico town | 205 | 253 | 48 | 23.41% |
| Ridgway town | 713 | 806 | 93 | 13.04% |
| Rifle city | 6,784 | 9,255 | 2,471 | 36.42% |
| Rockvale town | 426 | 431 | 5 | 1.17% |
| Rocky Ford city | 4,286 | 3,920 | -366 | -8.54% |
| Romeo town | 375 | 333 | -42 | -11.20% |
| Rye town | 202 | 201 | -1 | -0.50% |
| Saguache town | 578 | 581 | 3 | 0.52% |
| Salida city | 5,504 | 5,433 | -71 | -1.29% |
| San Luis town | 739 | 619 | -120 | -16.24% |
| Sanford town | 817 | 718 | -99 | -12.12% |
| Sawpit town | 25 | 23 | -2 | -8.00% |
| Sedgwick town | 191 | 161 | -30 | -15.71% |
| Seibert town | 180 | 167 | -13 | -7.22% |
| Severance town | 597 | 3,066 | 2,469 | 413.57% |
| Sheridan city | 5,600 | 6,170 | 570 | 10.18% |
| Sheridan Lake town | 66 | 52 | -14 | -21.21% |
| Silt town | 1,740 | 2,693 | 953 | 54.77% |
| Silver Cliff town | 512 | 573 | 61 | 11.91% |
| Silver Plume town | 203 | 179 | -24 | -11.82% |
| Silverthorne town | 3,196 | 4,061 | 865 | 27.07% |
| Silverton town | 531 | 527 | -4 | -0.75% |
| Simla town | 663 | 695 | 32 | 4.83% |
| Snowmass Village town | 1,822 | 2,016 | 194 | 10.65% |
| South Fork town | 604 | 526 | -78 | -12.91% |
| Springfield town | 1,562 | 1,265 | -297 | -19.01% |
| Starkville town | 128 | 128 | 0 | 0.00% |
| Steamboat Springs city | 9,815 | 12,356 | 2,541 | 25.89% |
| Sterling city | 11,360 | 12,712 | 1,352 | 11.90% |
| Stratton town | 669 | 613 | -56 | -8.37% |
| Sugar City town | 279 | 238 | -41 | -14.70% |
| Superior town | 9,011 | 10,809 | 1,798 | 19.95% |
| Swink town | 696 | 652 | -44 | -6.32% |
| Telluride town | 2,221 | 2,400 | 179 | 8.06% |
| Thornton city | 82,384 | 117,628 | 35,244 | 42.78% |
| Timnath town | 223 | 633 | 410 | 183.86% |
| Trinidad city | 9,078 | 9,071 | -7 | -0.08% |
| Two Buttes town | 67 | 55 | -12 | -17.91% |
| Vail town | 4,531 | 4,843 | 312 | 6.89% |
| Victor city | 445 | 406 | -39 | -8.76% |
| Vilas town | 110 | 91 | -19 | -17.27% |
| Vona town | 95 | 87 | -8 | -8.42% |
| Walden town | 734 | 594 | -140 | -19.07% |
| Walsenburg city | 4,182 | 3,645 | -537 | -12.84% |
| Walsh town | 723 | 620 | -103 | -14.25% |
| Ward town | 169 | 173 | 4 | 2.37% |
| Wellington town | 2,672 | 5,900 | 3,228 | 120.81% |
| Westcliffe town | 417 | 456 | 39 | 9.35% |
| Westminster city | 100,940 | 109,180 | 8,240 | 8.16% |
| Wheat Ridge city | 32,913 | 31,030 | -1,883 | -5.72% |
| Wiggins town | 838 | 944 | 106 | 12.65% |
| Wiley town | 483 | 440 | -43 | -8.90% |
| Williamsburg town | 714 | 762 | 48 | 6.72% |
| Windsor town | 9,896 | 17,421 | 7,525 | 76.04% |
| Winter Park town | 662 | 865 | 203 | 30.66% |
| Woodland Park city | 6,515 | 6,650 | 135 | 2.07% |
| Wray city | 2,187 | 2,130 | -57 | -2.61% |
| Yampa town | 443 | 436 | -7 | -1.58% |
| Yuma city | 3,285 | 3,287 | 2 | 0.06% |
Source: Population Division, U.S. Census Bureau
