Ranking of Colorado Counties By Population with Other Groups Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.71M people in Colorado with Other Groups ancestry. Among all Colorado counties, Denver County had the highest population with Other Groups ancestry (275.18K), followed by Arapahoe County (222.76K), and El Paso County (213.69K).

The chart and table below shows the top 10 counties with high number of people with Other Groups ancestry.

You can see similar information for other states and for other ancestry groups in Colorado.

Data Source: US Census Bureau.
Ranking of Colorado Counties By Population with Other Groups Ancestry in 2021
Denver County
Arapahoe County
El Paso County
Adams County
Jefferson County
Weld County
Douglas County
Larimer County
Boulder County
Pueblo County
Ranking of Colorado Counties By Population with Other Groups Ancestry in 2021
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Rank County Population
1 Denver County 275175
2 Arapahoe County 222763
3 El Paso County 213688
4 Adams County 210747
5 Jefferson County 136103
6 Weld County 103952
7 Douglas County 73649
8 Larimer County 71917
9 Boulder County 69912
10 Pueblo County 65699
11 Mesa County 35663
12 Garfield County 19419
13 Broomfield County 17676
14 La Plata County 16531
15 Eagle County 15750
16 Fremont County 11224
17 Montrose County 10905
18 Morgan County 10738
19 Montezuma County 9500
20 Otero County 8375
21 Alamosa County 7799
22 Delta County 7015
23 Las Animas County 5891
24 Prowers County 5619
25 Rio Grande County 5489
26 Summit County 5383
27 Logan County 5324
28 Elbert County 4391
29 Teller County 4278
30 Chaffee County 4177
31 Archuleta County 3781
32 Conejos County 3706
33 Moffat County 3369
34 Pitkin County 3219
35 Routt County 3128
36 Lake County 3011
37 Yuma County 2934
38 Bent County 2832
39 Gunnison County 2813
40 Crowley County 2756
41 Park County 2526
42 Saguache County 2451
43 Costilla County 2159
44 Kit Carson County 1943
45 Huerfano County 1936
46 Lincoln County 1842
47 Grand County 1664
48 Rio Blanco County 1587
49 Clear Creek County 1465
50 Phillips County 1442
51 San Miguel County 1426
52 Baca County 1264
53 Gilpin County 1066
54 Dolores County 811
54 Washington County 811
55 Sedgwick County 672
56 Custer County 665
57 Ouray County 549
58 Cheyenne County 322
59 Kiowa County 181
60 Hinsdale County 172
61 Mineral County 142
62 San Juan County 131
63 Jackson County 123