| Rank |
County |
Population Density |
| 1 |
Denver County, Colorado
|
3,922.6
|
| 2 |
Broomfield County, Colorado
|
1,691.9
|
| 3 |
Arapahoe County, Colorado
|
716.7
|
| 4 |
Jefferson County, Colorado
|
699.5
|
| 5 |
Boulder County, Colorado
|
405.6
|
| 6 |
Adams County, Colorado
|
378.2
|
| 7 |
Douglas County, Colorado
|
339.7
|
| 8 |
El Paso County, Colorado
|
292.6
|
| 9 |
Larimer County, Colorado
|
115.4
|
| 10 |
Pueblo County, Colorado
|
66.7
|
| 11 |
Weld County, Colorado
|
63.4
|
| 12 |
Summit County, Colorado
|
46
|
| 13 |
Mesa County, Colorado
|
44.1
|
| 14 |
Teller County, Colorado
|
41.9
|
| 15 |
Gilpin County, Colorado
|
36.3
|
| 16 |
Eagle County, Colorado
|
31
|
| 17 |
Fremont County, Colorado
|
30.5
|
| 18 |
La Plata County, Colorado
|
30.3
|
| 19 |
Delta County, Colorado
|
27.1
|
| 20 |
Clear Creek County, Colorado
|
23
|
| 21 |
Morgan County, Colorado
|
22
|
| 22 |
Alamosa County, Colorado
|
21.4
|
| 23 |
Lake County, Colorado
|
19.4
|
| 24 |
Garfield County, Colorado
|
19.1
|
| 25 |
Montrose County, Colorado
|
18.4
|
| 26 |
Pitkin County, Colorado
|
17.7
|
| 27 |
Chaffee County, Colorado
|
17.6
|
| 28 |
Otero County, Colorado
|
14.9
|
| 29 |
Rio Grande County, Colorado
|
13.1
|
| 30 |
Montezuma County, Colorado
|
12.6
|
| 31 |
Elbert County, Colorado
|
12.5
|
| 32 |
Logan County, Colorado
|
12.4
|
| 33 |
Routt County, Colorado
|
10
|
| 34 |
Archuleta County, Colorado
|
8.9
|
| 35 |
Ouray County, Colorado
|
8.2
|
| 36 |
Grand County, Colorado
|
8
|
| 37 |
Prowers County, Colorado
|
7.7
|
| 38 |
Park County, Colorado
|
7.4
|
| 39 |
Crowley County, Colorado
|
7.4
|
| 40 |
Phillips County, Colorado
|
6.5
|
| 41 |
Conejos County, Colorado
|
6.4
|
| 42 |
Custer County, Colorado
|
5.8
|
| 43 |
San Miguel County, Colorado
|
5.7
|
| 44 |
Gunnison County, Colorado
|
4.7
|
| 45 |
Bent County, Colorado
|
4.3
|
| 46 |
Sedgwick County, Colorado
|
4.3
|
| 47 |
Yuma County, Colorado
|
4.2
|
| 48 |
Huerfano County, Colorado
|
4.2
|
| 49 |
Kit Carson County, Colorado
|
3.8
|
| 50 |
Las Animas County, Colorado
|
3.2
|
| 51 |
Costilla County, Colorado
|
2.9
|
| 52 |
Moffat County, Colorado
|
2.9
|
| 53 |
Rio Blanco County, Colorado
|
2.1
|
| 54 |
Lincoln County, Colorado
|
2.1
|
| 55 |
Dolores County, Colorado
|
1.9
|
| 56 |
Saguache County, Colorado
|
1.9
|
| 57 |
Washington County, Colorado
|
1.9
|
| 58 |
San Juan County, Colorado
|
1.8
|
| 59 |
Baca County, Colorado
|
1.5
|
| 60 |
Cheyenne County, Colorado
|
1
|
| 61 |
Jackson County, Colorado
|
0.9
|
| 62 |
Hinsdale County, Colorado
|
0.8
|
| 63 |
Kiowa County, Colorado
|
0.8
|
| 64 |
Mineral County, Colorado
|
0.8
|