Ranking of Colorado Counties By Population with British Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 43.99K people in Colorado with British ancestry. Among all Colorado counties, El Paso County had the highest population with British ancestry (5.98K), followed by Denver County (5.37K), and Arapahoe County (4.76K).

The chart and table below shows the top 10 counties with high number of people with British 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 British Ancestry in 2021
El Paso County
Denver County
Arapahoe County
Jefferson County
Boulder County
Douglas County
Larimer County
Adams County
Weld County
Broomfield County
Ranking of Colorado Counties By Population with British Ancestry in 2021
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Rank County Population
1 El Paso County 5977
2 Denver County 5369
3 Arapahoe County 4760
4 Jefferson County 4615
5 Boulder County 4275
6 Douglas County 3779
7 Larimer County 3133
8 Adams County 2444
9 Weld County 1755
10 Broomfield County 1062
11 Mesa County 975
12 La Plata County 710
13 Eagle County 702
14 Pueblo County 693
15 Garfield County 327
16 Park County 286
17 Pitkin County 282
18 Teller County 223
19 Delta County 219
20 Montrose County 201
21 Summit County 199
22 Grand County 192
23 Chaffee County 190
24 Fremont County 161
25 Montezuma County 159
26 Gunnison County 155
27 Archuleta County 138
28 Routt County 112
29 Elbert County 97
30 Clear Creek County 93
31 Kit Carson County 83
32 Moffat County 80
33 Las Animas County 74
34 Logan County 52
35 Prowers County 47
36 Ouray County 46
37 Washington County 40
38 San Miguel County 38
39 Gilpin County 35
40 Morgan County 32
41 Otero County 27
42 Alamosa County 18
42 Custer County 18
43 Rio Grande County 17
44 Lincoln County 16
44 Mineral County 16
45 Huerfano County 13
46 Dolores County 10
47 Crowley County 9
48 Bent County 7
49 Baca County 6
49 Rio Blanco County 6
50 San Juan County 5
50 Yuma County 5
51 Sedgwick County 4
52 Conejos County 2