Population of Colorado 2021

Population

According to the 2010 Census, Colorado has 5,029,196 residents, of which 81.3% are white, 4% are black or African-American, 2.8% are Asian-Americans and 1.1% are Indians, and others are 7.2%. 20.7% describe themselves as Hispanics. In 2017 the population was estimated at 5,607,154.

With a population growth of around 8.4% (USA: 5.3%) from the census in April 2000 to July 2005, Colorado was above the national average. It is expected to have more than seven million residents by 2030.

Colorado’s largest city with around 600,000 residents is the state capital Denver, which is also the economic and cultural center of the state.

Top Counties by Population in Colorado

Rank County Name Population Population Density (per kmĀ²)
1 El Paso County 622,274 112.87
2 City and County of Denver 600,169 1,489.25
3 Arapahoe County 572,014 274.61
4 Jefferson County 534,554 267.01
5 Adams County 441,614 144.22
6 Larimer County 299,641 43.96
7 Boulder County 294,578 153.59
8 Douglas County 285,476 130.83
9 Weld County 252,836 24.32
10 Pueblo County 159,074 25.62
11 Mesa County 146,734 16.93
12 Garfield County 56,400 7.36
13 City and County of Broomfield 55,900 642.53
14 Eagle County 52,208 11.85
15 La Plata County 51,345 11.66
16 Fremont County 46,835 11.79
17 Montrose County 41,287 7.10
18 Delta County 30,963 10.40
19 Morgan County 28,170 8.41
20 Summit County 28,005 17.47
21 Montezuma County 25,546 4.84
22 Routt County 23,520 3.84
23 Teller County 23,361 16.14
24 Elbert County 23,097 4.82
25 Logan County 22,720 4.75
26 Otero County 18,842 5.74
27 Chaffee County 17,820 6.78
28 Pitkin County 17,159 6.83
29 Park County 16,217 2.83
30 Las Animas County 15,518 1.26
31 Alamosa County 15,456 8.25
32 Gunnison County 15,335 1.82
33 Grand County 14,854 3.07
34 Moffat County 13,806 1.12
35 Prowers County 12,562 2.95
36 Archuleta County 12,095 3.45
37 Rio Grande County 11,993 5.07
38 Yuma County 10,054 1.64
39 Clear Creek County 9,099 8.86
40 Kit Carson County 8,281 1.48
41 Conejos County 8,267 2.47
42 San Miguel County 7,370 2.20
43 Lake County 7,321 7.37
44 Huerfano County 6,722 1.63
45 Rio Blanco County 6,677 0.80
46 Bent County 6,510 1.63
47 Saguache County 6,119 0.75
48 Crowley County 5,834 2.81
49 Lincoln County 5,478 0.82
50 Gilpin County 5,452 14.02
51 Washington County 4,825 0.74
52 Phillips County 4,453 2.50
53 Ouray County 4,447 3.17
54 Custer County 4,266 2.23
55 Baca County 3,799 0.57
56 Costilla County 3,535 1.11
57 Sedgwick County 2,390 1.68
58 Dolores County 2,075 0.74
59 Cheyenne County 1,847 0.40
60 Kiowa County 1,409 0.30
61 Jackson County 1,405 0.33
62 Hinsdale County 854 0.29
63 Mineral County 723 0.32
64 San Juan County 710 0.71

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