Ranking of Colorado Counties By Total Population from Census 2020
Updated on February 7, 2023.
According to the data from the US 2020 Census, the most populated Colorado county as at April 2020 was El Paso County (730.40K), followed by Denver County (715.52K), and Arapahoe County (655.07K).
The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Colorado.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Colorado Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Colorado Counties By Total Population from Census 2020
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Rank | County | Population |
---|---|---|
1 | El Paso County | 730395 |
2 | Denver County | 715522 |
3 | Arapahoe County | 655070 |
4 | Jefferson County | 582910 |
5 | Adams County | 519572 |
6 | Larimer County | 359066 |
7 | Douglas County | 357978 |
8 | Boulder County | 330758 |
9 | Weld County | 328981 |
10 | Pueblo County | 168162 |
11 | Mesa County | 155703 |
12 | Broomfield County | 74112 |
13 | Garfield County | 61685 |
14 | Eagle County | 55731 |
15 | La Plata County | 55638 |
16 | Fremont County | 48939 |
17 | Montrose County | 42679 |
18 | Delta County | 31196 |
19 | Summit County | 31055 |
20 | Morgan County | 29111 |
21 | Elbert County | 26062 |
22 | Montezuma County | 25849 |
23 | Routt County | 24829 |
24 | Teller County | 24710 |
25 | Logan County | 21528 |
26 | Chaffee County | 19476 |
27 | Otero County | 18690 |
28 | Park County | 17390 |
29 | Pitkin County | 17358 |
30 | Gunnison County | 16918 |
31 | Alamosa County | 16376 |
32 | Grand County | 15717 |
33 | Las Animas County | 14555 |
34 | Archuleta County | 13359 |
35 | Moffat County | 13292 |
36 | Prowers County | 11999 |
37 | Rio Grande County | 11539 |
38 | Yuma County | 9988 |
39 | Clear Creek County | 9397 |
40 | San Miguel County | 8072 |
41 | Conejos County | 7461 |
42 | Lake County | 7436 |
43 | Kit Carson County | 7087 |
44 | Huerfano County | 6820 |
45 | Rio Blanco County | 6529 |
46 | Saguache County | 6368 |
47 | Crowley County | 5922 |
48 | Gilpin County | 5808 |
49 | Lincoln County | 5675 |
50 | Bent County | 5650 |
51 | Ouray County | 4874 |
52 | Washington County | 4817 |
53 | Custer County | 4704 |
54 | Phillips County | 4530 |
55 | Baca County | 3506 |
56 | Costilla County | 3499 |
57 | Sedgwick County | 2404 |
58 | Dolores County | 2326 |
59 | Cheyenne County | 1748 |
60 | Kiowa County | 1446 |
61 | Jackson County | 1379 |
62 | Mineral County | 865 |
63 | Hinsdale County | 788 |
64 | San Juan County | 705 |