| County |
Population |
Area |
Coordinates |
| 2020 Rank |
2020 Census |
Change |
2010 Census |
Change |
2000 Census |
2020 Density |
Land |
Water |
Total |
| Adams County |
5 |
519,572 | +17.66% | 441,603 | +26.87% | 348,076 |
445 mi−2 172 km−2 |
1,166.7 mi2 3,021.8 km2 |
16.9 mi2 43.7 km2 |
5,668 ft 1728 m |
39°52′27″N 104°20′16″W / 39.8741789°N 104.3378450°W / 39.8741789; -104.3378450 (Adams County, Colorado) |
| Alamosa County |
31 |
16,376 | +6.03% | 15,445 | +3.21% | 14,965 |
22.66 mi−2 8.75 km−2 |
722.6 mi2 1,871.6 km2 |
0.6 mi2 1.7 km2 |
14,351 ft 4374 m |
37°34′22″N 105°47′18″W / 37.5728342°N 105.7884000°W / 37.5728342; -105.7884000 (Alamosa County, Colorado) |
| Arapahoe County |
3 |
655,070 | +14.52% | 572,003 | +17.01% | 488,829 |
821 mi−2 317 km−2 |
797.9 mi2 2,066.4 km2 |
7.6 mi2 19.8 km2 |
6,218 ft 1895 m |
39°39′01″N 104°20′22″W / 39.6503229°N 104.3393175°W / 39.6503229; -104.3393175 (Arapahoe County, Colorado) |
| Archuleta County |
34 |
13,359 | +10.55% | 12,084 | +22.13% | 9,894 |
9.89 mi−2 3.82 km−2 |
1,350.1 mi2 3,496.7 km2 |
5.3 mi2 13.7 km2 |
13,308 ft 4056 m |
37°11′37″N 107°02′53″W / 37.1937061°N 107.0481382°W / 37.1937061; -107.0481382 (Archuleta County, Colorado) |
| Baca County |
55 |
3,506 | −7.44% | 3,788 | −16.14% | 4,517 |
1.37 mi−2 0.53 km−2 |
2,555.0 mi2 6,617.4 km2 |
2.4 mi2 6.1 km2 |
5,293 ft 1613 m |
37°19′09″N 102°33′38″W / 37.3191050°N 102.5604802°W / 37.3191050; -102.5604802 (Baca County, Colorado) |
| Bent County |
50 |
5,650 | −13.06% | 6,499 | +8.39% | 5,996 |
3.73 mi−2 1.44 km−2 |
1,512.8 mi2 3,918.3 km2 |
28.2 mi2 73.1 km2 |
4,857 ft 1481 m |
37°57′17″N 103°04′18″W / 37.9548094°N 103.0717149°W / 37.9548094; -103.0717149 (Bent County, Colorado) |
| Boulder County |
8 |
330,758 | +12.29% | 294,567 | +9.19% | 269,784 |
455 mi−2 176 km−2 |
726.4 mi2 1,881.3 km2 |
14.1 mi2 36.5 km2 |
14,259 ft 4346 m |
40°05′33″N 105°21′28″W / 40.0924576°N 105.3577120°W / 40.0924576; -105.3577120 (Boulder County, Colorado) |
| City and County of Broomfield |
12 |
74,112 | +32.61% | 55,889 | +42.57% | 39,202 |
2,248 mi−2 868 km−2 |
33.0 mi2 85.4 km2 |
0.6 mi2 1.5 km2 |
5,848 ft 1783 m |
39°57′15″N 105°03′10″W / 39.9541268°N 105.0527103°W / 39.9541268; -105.0527103 (City and County of Broomfield, Colorado) |
| Chaffee County |
26 |
19,476 | +9.36% | 17,809 | +9.59% | 16,250 |
19.22 mi−2 7.42 km−2 |
1,013.4 mi2 2,624.7 km2 |
1.5 mi2 4.0 km2 |
14,427 ft 4397 m |
38°44′48″N 106°11′38″W / 38.7465981°N 106.1937627°W / 38.7465981; -106.1937627 (Chaffee County, Colorado) |
| Cheyenne County |
59 |
1,748 | −4.79% | 1,836 | −17.63% | 2,229 |
0.98 mi−2 0.38 km−2 |
1,778.3 mi2 4,605.7 km2 |
3.2 mi2 8.2 km2 |
5,257 ft 1602 m |
38°49′41″N 102°36′12″W / 38.8281780°N 102.6034141°W / 38.8281780; -102.6034141 (Cheyenne County, Colorado) |
| Clear Creek County |
39 |
9,397 | +3.40% | 9,088 | −1.89% | 9,263 |
23.79 mi−2 9.18 km−2 |
395.1 mi2 1,023.2 km2 |
1.3 mi2 3.3 km2 |
14,278 ft 4352 m |
39°41′21″N 105°38′40″W / 39.6890622°N 105.6443074°W / 39.6890622; -105.6443074 (Clear Creek County, Colorado) |
| Conejos County |
41 |
7,461 | −9.63% | 8,256 | −1.71% | 8,400 |
5.80 mi−2 2.24 km−2 |
1,287.4 mi2 3,334.4 km2 |
3.6 mi2 9.2 km2 |
13,179 ft 4017 m |
37°12′03″N 106°11′29″W / 37.2007929°N 106.1914806°W / 37.2007929; -106.1914806 (Conejos County, Colorado) |
| Costilla County |
56 |
3,499 | −0.71% | 3,524 | −3.74% | 3,661 |
2.85 mi−2 1.10 km−2 |
1,227.6 mi2 3,179.5 km2 |
3.4 mi2 8.8 km2 |
14,351 ft 4374 m |
37°16′40″N 105°25′42″W / 37.2776823°N 105.4283908°W / 37.2776823; -105.4283908 (Costilla County, Colorado) |
| Crowley County |
47 |
5,922 | +1.70% | 5,823 | +5.60% | 5,514 |
7.52 mi−2 2.90 km−2 |
787.4 mi2 2,039.4 km2 |
12.9 mi2 33.4 km2 |
5,228 ft 1593 m |
38°19′36″N 103°47′05″W / 38.3265917°N 103.7848382°W / 38.3265917; -103.7848382 (Crowley County, Colorado) |
| Custer County |
53 |
4,704 | +10.55% | 4,255 | +21.29% | 3,508 |
6.37 mi−2 2.46 km−2 |
738.6 mi2 1,913.0 km2 |
1.3 mi2 3.4 km2 |
14,246 ft 4342 m |
38°06′31″N 105°22′03″W / 38.1086939°N 105.3674060°W / 38.1086939; -105.3674060 (Custer County, Colorado) |
| Delta County |
18 |
31,196 | +0.79% | 30,952 | +11.24% | 27,824 |
27.3 mi−2 10.5 km−2 |
1,142.1 mi2 2,958.1 km2 |
6.5 mi2 16.8 km2 |
11,396 ft 3474 m |
38°51′41″N 107°51′48″W / 38.8613998°N 107.8631974°W / 38.8613998; -107.8631974 (Delta County, Colorado) |
| City and County of Denver |
2 |
715,522 | +19.22% | 600,158 | +8.37% | 553,805 |
4,674 mi−2 1,805 km−2 |
153.1 mi2 396.5 km2 |
1.7 mi2 4.3 km2 |
5,688 ft 1734 m |
39°45′43″N 104°52′34″W / 39.7619809°N 104.8760040°W / 39.7619809; -104.8760040 (City and County of Denver, Colorado) |
| Dolores County |
58 |
2,326 | +12.69% | 2,064 | +11.93% | 1,844 |
2.18 mi−2 0.84 km−2 |
1,067.2 mi2 2,764.0 km2 |
1.0 mi2 2.7 km2 |
14,252 ft 4344 m |
37°45′07″N 108°31′02″W / 37.7519785°N 108.5173060°W / 37.7519785; -108.5173060 (Dolores County, Colorado) |
| Douglas County |
7 |
357,978 | +25.40% | 285,465 | +62.44% | 175,732 |
426 mi−2 164 km−2 |
840.2 mi2 2,176.2 km2 |
2.6 mi2 6.8 km2 |
9,836 ft 2998 m |
39°19′47″N 104°55′47″W / 39.3296108°N 104.9297053°W / 39.3296108; -104.9297053 (Douglas County, Colorado) |
| Eagle County |
14 |
55,731 | +6.77% | 52,197 | +25.40% | 41,623 |
33.1 mi−2 12.8 km−2 |
1,684.5 mi2 4,362.8 km2 |
7.3 mi2 19.0 km2 |
14,011 ft 4271 m |
39°37′40″N 106°41′43″W / 39.6277366°N 106.6951442°W / 39.6277366; -106.6951442 (Eagle County, Colorado) |
| El Paso County |
1 |
730,395 | +17.38% | 622,263 | +20.38% | 516,934 |
343 mi−2 133 km−2 |
2,126.4 mi2 5,507.4 km2 |
2.7 mi2 7.1 km2 |
14,115 ft 4302 m |
38°49′55″N 104°31′31″W / 38.8320014°N 104.5253965°W / 38.8320014; -104.5253965 (El Paso County, Colorado) |
| Elbert County |
21 |
26,062 | +12.89% | 23,086 | +16.27% | 19,855 |
14.08 mi−2 5.44 km−2 |
1,850.8 mi2 4,793.6 km2 |
0.2 mi2 0.4 km2 |
7,374 ft 2248 m |
39°17′11″N 104°08′08″W / 39.2864464°N 104.1354658°W / 39.2864464; -104.1354658 (Elbert County, Colorado) |
| Fremont County |
16 |
48,939 | +4.52% | 46,824 | +1.48% | 46,140 |
31.9 mi−2 12.3 km−2 |
1,533.9 mi2 3,972.7 km2 |
0.9 mi2 2.2 km2 |
13,110 ft 3996 m |
38°28′24″N 105°26′22″W / 38.4732142°N 105.4394323°W / 38.4732142; -105.4394323 (Fremont County, Colorado) |
| Garfield County |
13 |
61,685 | +9.39% | 56,389 | +28.78% | 43,786 |
20.93 mi−2 8.08 km−2 |
2,947.4 mi2 7,633.8 km2 |
8.4 mi2 21.7 km2 |
12,361 ft 3768 m |
39°36′01″N 107°54′19″W / 39.6003285°N 107.9052109°W / 39.6003285; -107.9052109 (Garfield County, Colorado) |
| Gilpin County |
48 |
5,808 | +6.75% | 5,441 | +14.64% | 4,746 |
38.7 mi−2 14.9 km−2 |
150.0 mi2 388.6 km2 |
0.4 mi2 0.9 km2 |
13,300 ft 4054 m |
39°51′27″N 105°31′21″W / 39.8575395°N 105.5225847°W / 39.8575395; -105.5225847 (Gilpin County, Colorado) |
| Grand County |
32 |
15,717 | +5.89% | 14,843 | +19.38% | 12,433 |
8.51 mi−2 3.29 km−2 |
1,846.4 mi2 4,782.3 km2 |
23.1 mi2 59.9 km2 |
13,559 ft 4133 m |
40°06′09″N 106°07′05″W / 40.1025426°N 106.1181476°W / 40.1025426; -106.1181476 (Grand County, Colorado) |
| Gunnison County |
30 |
16,918 | +10.40% | 15,324 | +9.46% | 14,000 |
5.22 mi−2 2.02 km−2 |
3,239.1 mi2 8,389.3 km2 |
20.5 mi2 53.1 km2 |
14,279 ft 4352 m |
38°39′59″N 107°01′55″W / 38.6663669°N 107.0318806°W / 38.6663669; -107.0318806 (Gunnison County, Colorado) |
| Hinsdale County |
63 |
788 | −6.52% | 843 | +6.44% | 792 |
0.71 mi−2 0.27 km−2 |
1,117.2 mi2 2,893.6 km2 |
5.9 mi2 15.3 km2 |
14,321 ft 4365 m |
37°49′15″N 107°18′01″W / 37.8208029°N 107.3003634°W / 37.8208029; -107.3003634 (Hinsdale County, Colorado) |
| Huerfano County |
44 |
6,820 | +1.62% | 6,711 | −14.61% | 7,859 |
4.29 mi−2 1.66 km−2 |
1,591.0 mi2 4,120.8 km2 |
2.2 mi2 5.8 km2 |
14,326 ft 4366 m |
37°41′05″N 104°57′38″W / 37.6846648°N 104.9605114°W / 37.6846648; -104.9605114 (Huerfano County, Colorado) |
| Jackson County |
61 |
1,379 | −1.08% | 1,394 | −11.60% | 1,577 |
0.85 mi−2 0.33 km−2 |
1,613.7 mi2 4,179.5 km2 |
7.2 mi2 18.8 km2 |
12,954 ft 3948 m |
40°39′58″N 106°20′32″W / 40.6661359°N 106.3423570°W / 40.6661359; -106.3423570 (Jackson County, Colorado) |
| Jefferson County |
4 |
582,910 | +9.05% | 534,543 | +1.73% | 525,449 |
763 mi−2 294 km−2 |
764.4 mi2 1,979.7 km2 |
9.7 mi2 25.1 km2 |
11,589 ft 3532 m |
39°35′09″N 105°15′02″W / 39.5858881°N 105.2506412°W / 39.5858881; -105.2506412 (Jefferson County, Colorado) |
| Kiowa County |
60 |
1,446 | +3.43% | 1,398 | −13.81% | 1,622 |
0.82 mi−2 0.32 km−2 |
1,767.8 mi2 4,578.6 km2 |
18.2 mi2 47.0 km2 |
4,697 ft 1432 m |
38°26′00″N 102°44′26″W / 38.4332694°N 102.7404800°W / 38.4332694; -102.7404800 (Kiowa County, Colorado) |
| Kit Carson County |
43 |
7,087 | −14.30% | 8,270 | +3.21% | 8,013 |
3.28 mi−2 1.27 km−2 |
2,160.8 mi2 5,596.5 km2 |
0.9 mi2 2.3 km2 |
5,297 ft 1615 m |
39°18′20″N 102°36′10″W / 39.3055557°N 102.6029123°W / 39.3055557; -102.6029123 (Kit Carson County, Colorado) |
| La Plata County |
15 |
55,638 | +8.38% | 51,334 | +16.78% | 43,957 |
32.9 mi−2 12.7 km−2 |
1,689.7 mi2 4,376.3 km2 |
9.9 mi2 25.6 km2 |
14,093 ft 4296 m |
37°17′11″N 107°50′37″W / 37.2863619°N 107.8435620°W / 37.2863619; -107.8435620 (La Plata County, Colorado) |
| Lake County |
42 |
7,436 | +1.72% | 7,310 | −6.45% | 7,814 |
19.73 mi−2 7.62 km−2 |
376.9 mi2 976.2 km2 |
7.0 mi2 18.1 km2 |
14,440 ft 4401 m |
39°12′08″N 106°20′42″W / 39.2023129°N 106.3449111°W / 39.2023129; -106.3449111 (Lake County, Colorado) |
| Larimer County |
6 |
359,066 | +19.84% | 299,630 | +19.14% | 251,489 |
138.3 mi−2 53.4 km−2 |
2,595.8 mi2 6,723.0 km2 |
38.2 mi2 99.0 km2 |
13,573 ft 4137 m |
40°39′58″N 105°27′39″W / 40.6661903°N 105.4607444°W / 40.6661903; -105.4607444 (Larimer County, Colorado) |
| Las Animas County |
33 |
14,555 | −6.14% | 15,507 | +1.94% | 15,212 |
3.05 mi−2 1.18 km−2 |
4,772.9 mi2 12,361.9 km2 |
2.7 mi2 6.9 km2 |
13,631 ft 4155 m |
37°19′00″N 104°02′21″W / 37.3166220°N 104.0391104°W / 37.3166220; -104.0391104 (Las Animas County, Colorado) |
| Lincoln County |
49 |
5,675 | +3.80% | 5,467 | −10.22% | 6,089 |
2.20 mi−2 0.85 km−2 |
2,577.7 mi2 6,676.2 km2 |
8.8 mi2 22.8 km2 |
5,973 ft 1821 m |
38°59′13″N 103°30′53″W / 38.9869846°N 103.5146043°W / 38.9869846; -103.5146043 (Lincoln County, Colorado) |
| Logan County |
25 |
21,528 | −5.20% | 22,709 | +10.42% | 20,566 |
11.71 mi−2 4.52 km−2 |
1,838.6 mi2 4,761.9 km2 |
6.3 mi2 16.4 km2 |
4,947 ft 1508 m |
40°43′29″N 103°06′36″W / 40.7245834°N 103.1100639°W / 40.7245834; -103.1100639 (Logan County, Colorado) |
| Mesa County |
11 |
155,703 | +6.12% | 146,723 | +25.47% | 116,939 |
46.8 mi−2 18.1 km−2 |
3,328.7 mi2 8,621.3 km2 |
12.4 mi2 32.0 km2 |
11,236 ft 3425 m |
39°01′05″N 108°28′04″W / 39.0181664°N 108.4677131°W / 39.0181664; -108.4677131 (Mesa County, Colorado) |
| Mineral County |
62 |
865 | +21.49% | 712 | −14.32% | 831 |
0.99 mi−2 0.38 km−2 |
875.8 mi2 2,268.2 km2 |
2.0 mi2 5.2 km2 |
13,902 ft 4237 m |
37°40′07″N 106°55′27″W / 37.6687329°N 106.9240618°W / 37.6687329; -106.9240618 (Mineral County, Colorado) |
| Moffat County |
35 |
13,292 | −3.65% | 13,795 | +4.68% | 13,178 |
2.80 mi−2 1.08 km−2 |
4,743.2 mi2 12,284.9 km2 |
7.6 mi2 19.8 km2 |
10,840 ft 3304 m |
40°37′07″N 108°12′27″W / 40.6187129°N 108.2074659°W / 40.6187129; -108.2074659 (Moffat County, Colorado) |
| Montezuma County |
22 |
25,849 | +1.23% | 25,535 | +7.19% | 23,822 |
12.74 mi−2 4.92 km−2 |
2,029.3 mi2 5,256.0 km2 |
10.5 mi2 27.2 km2 |
13,237 ft 4035 m |
37°20′18″N 108°35′49″W / 37.3383013°N 108.5970269°W / 37.3383013; -108.5970269 (Montezuma County, Colorado) |
| Montrose County |
17 |
42,679 | +3.40% | 41,276 | +23.44% | 33,438 |
19.05 mi−2 7.35 km−2 |
2,240.9 mi2 5,804.0 km2 |
1.9 mi2 4.9 km2 |
11,453 ft 3491 m |
38°24′10″N 108°16′13″W / 38.4026876°N 108.2701893°W / 38.4026876; -108.2701893 (Montrose County, Colorado) |
| Morgan County |
20 |
29,111 | +3.38% | 28,159 | +3.63% | 27,172 |
22.73 mi−2 8.78 km−2 |
1,280.5 mi2 3,316.4 km2 |
13.4 mi2 34.7 km2 |
4,937 ft 1505 m |
40°15′45″N 103°48′35″W / 40.2625815°N 103.8098295°W / 40.2625815; -103.8098295 (Morgan County, Colorado) |
| Otero County |
27 |
18,690 | −0.75% | 18,831 | −7.29% | 20,311 |
14.81 mi−2 5.72 km−2 |
1,261.9 mi2 3,268.4 km2 |
7.8 mi2 20.1 km2 |
5,273 ft 1607 m |
37°54′09″N 103°43′00″W / 37.9025553°N 103.7165564°W / 37.9025553; -103.7165564 (Otero County, Colorado) |
| Ouray County |
51 |
4,874 | +9.87% | 4,436 | +18.39% | 3,747 |
9.01 mi−2 3.48 km−2 |
540.7 mi2 1,400.3 km2 |
1.5 mi2 4.0 km2 |
14,158 ft 4315 m |
38°09′19″N 107°46′09″W / 38.1553962°N 107.7691411°W / 38.1553962; -107.7691411 (Ouray County, Colorado) |
| Park County |
28 |
17,390 | +7.31% | 16,206 | +11.62% | 14,519 |
7.93 mi−2 3.06 km−2 |
2,193.5 mi2 5,681.2 km2 |
16.8 mi2 43.5 km2 |
14,293 ft 4357 m |
39°07′08″N 105°43′02″W / 39.1187954°N 105.7171190°W / 39.1187954; -105.7171190 (Park County, Colorado) |
| Phillips County |
54 |
4,530 | +1.98% | 4,442 | −0.96% | 4,485 |
6.59 mi−2 2.54 km−2 |
687.9 mi2 1,781.7 km2 |
0.1 mi2 0.3 km2 |
4,117 ft 1255 m |
40°35′38″N 102°21′27″W / 40.5939029°N 102.3575846°W / 40.5939029; -102.3575846 (Phillips County, Colorado) |
| Pitkin County |
29 |
17,358 | +1.22% | 17,148 | +15.17% | 14,889 |
17.88 mi−2 6.90 km−2 |
970.7 mi2 2,514.1 km2 |
2.5 mi2 6.5 km2 |
14,279 ft 4352 m |
39°13′02″N 106°54′59″W / 39.2172422°N 106.9164625°W / 39.2172422; -106.9164625 (Pitkin County, Colorado) |
| Prowers County |
36 |
11,999 | −4.40% | 12,551 | −13.34% | 14,483 |
7.32 mi−2 2.83 km−2 |
1,638.4 mi2 4,243.5 km2 |
5.9 mi2 15.3 km2 |
4,713 ft 1437 m |
37°57′18″N 102°23′36″W / 37.9549242°N 102.3933533°W / 37.9549242; -102.3933533 (Prowers County, Colorado) |
| Pueblo County |
10 |
168,162 | +5.72% | 159,063 | +12.42% | 141,490 |
70.5 mi−2 27.2 km−2 |
2,386.6 mi2 6,181.2 km2 |
11.2 mi2 28.9 km2 |
12,352 ft 3765 m |
38°10′24″N 104°30′46″W / 38.1732322°N 104.5127765°W / 38.1732322; -104.5127765 (Pueblo County, Colorado) |
| Rio Blanco County |
45 |
6,529 | −2.06% | 6,666 | +11.25% | 5,992 |
2.03 mi−2 0.78 km−2 |
3,221.0 mi2 8,342.3 km2 |
1.9 mi2 4.9 km2 |
12,033 ft 3668 m |
39°58′50″N 108°13′05″W / 39.9806725°N 108.2179271°W / 39.9806725; -108.2179271 (Rio Blanco County, Colorado) |
| Rio Grande County |
37 |
11,539 | −3.70% | 11,982 | −3.57% | 12,425 |
12.65 mi−2 4.89 km−2 |
912.0 mi2 2,362.0 km2 |
0.4 mi2 1.0 km2 |
13,209 ft 4026 m |
37°34′57″N 106°22′59″W / 37.5825367°N 106.3831577°W / 37.5825367; -106.3831577 (Rio Grande County, Colorado) |
| Routt County |
23 |
24,829 | +5.61% | 23,509 | +19.46% | 19,679 |
10.51 mi−2 4.06 km−2 |
2,362.0 mi2 6,117.6 km2 |
6.1 mi2 15.8 km2 |
12,185 ft 3714 m |
40°29′03″N 106°59′27″W / 40.4840785°N 106.9907816°W / 40.4840785; -106.9907816 (Routt County, Colorado) |
| Saguache County |
46 |
6,368 | +4.26% | 6,108 | +3.46% | 5,904 |
2.01 mi−2 0.78 km−2 |
3,168.6 mi2 8,206.5 km2 |
1.7 mi2 4.5 km2 |
14,300 ft 4359 m |
38°04′51″N 106°16′51″W / 38.0807339°N 106.2808607°W / 38.0807339; -106.2808607 (Saguache County, Colorado) |
| San Juan County |
64 |
705 | +0.86% | 699 | +25.27% | 558 |
1.82 mi−2 0.70 km−2 |
387.5 mi2 1,003.7 km2 |
0.8 mi2 2.0 km2 |
13,900 ft 4237 m |
37°45′50″N 107°40′34″W / 37.7640122°N 107.6762274°W / 37.7640122; -107.6762274 (San Juan County, Colorado) |
| San Miguel County |
40 |
8,072 | +9.69% | 7,359 | +11.62% | 6,593 |
6.27 mi−2 2.42 km−2 |
1,286.7 mi2 3,332.6 km2 |
2.0 mi2 5.2 km2 |
14,023 ft 4274 m |
38°00′15″N 108°24′21″W / 38.0042019°N 108.4057022°W / 38.0042019; -108.4057022 (San Miguel County, Colorado) |
| Sedgwick County |
57 |
2,404 | +1.05% | 2,379 | −13.40% | 2,747 |
4.39 mi−2 1.69 km−2 |
548.0 mi2 1,419.4 km2 |
1.4 mi2 3.5 km2 |
4,127 ft 1258 m |
40°52′33″N 102°21′06″W / 40.8759564°N 102.3517903°W / 40.8759564; -102.3517903 (Sedgwick County, Colorado) |
| Summit County |
19 |
31,055 | +10.93% | 27,994 | +18.82% | 23,560 |
51.0 mi−2 19.7 km−2 |
608.3 mi2 1,575.6 km2 |
10.9 mi2 28.3 km2 |
14,278 ft 4352 m |
39°38′02″N 106°06′58″W / 39.6339611°N 106.1160413°W / 39.6339611; -106.1160413 (Summit County, Colorado) |
| Teller County |
24 |
24,710 | +5.82% | 23,350 | +13.68% | 20,541 |
44.4 mi−2 17.1 km−2 |
557.1 mi2 1,442.8 km2 |
1.9 mi2 5.0 km2 |
13,065 ft 3982 m |
38°52′56″N 105°09′42″W / 38.8821769°N 105.1617222°W / 38.8821769; -105.1617222 (Teller County, Colorado) |
| Washington County |
52 |
4,817 | +0.06% | 4,814 | −2.19% | 4,922 |
1.91 mi−2 0.74 km−2 |
2,518.1 mi2 6,521.8 km2 |
5.9 mi2 15.2 km2 |
5,433 ft 1656 m |
39°58′14″N 103°12′06″W / 39.9704267°N 103.2016452°W / 39.9704267; -103.2016452 (Washington County, Colorado) |
| Weld County |
9 |
328,981 | +30.12% | 252,825 | +39.86% | 180,766 |
82.6 mi−2 31.9 km−2 |
3,984.9 mi2 10,321.0 km2 |
31.8 mi2 82.4 km2 |
6,388 ft 1947 m |
40°33′15″N 104°23′38″W / 40.5542451°N 104.3937513°W / 40.5542451; -104.3937513 (Weld County, Colorado) |
| Yuma County |
38 |
9,988 | −0.55% | 10,043 | +2.00% | 9,846 |
4.22 mi−2 1.63 km−2 |
2,364.4 mi2 6,123.8 km2 |
4.3 mi2 11.1 km2 |
4,447 ft 1355 m |
40°00′08″N 102°25′27″W / 40.0022004°N 102.4242526°W / 40.0022004; -102.4242526 (Yuma County, Colorado) |
| State of Colorado |
|
5,773,714 | +14.80% | 5,029,196 | +16.92% | 4,301,262 |
55.7 mi−2 21.5 km−2 |
103,641.9 mi2 268,431.2 km2 |
451.8 mi2 1,170.1 km2 |
14,440 ft 4401 m |
38°59′50″N 105°32′52″W / 38.9972°N 105.5478°W / 38.9972; -105.5478 (State of Colorado) |