Ranking of Colorado Counties By Population with Celtic Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.69K people in Colorado with Celtic ancestry. Among all Colorado counties, Arapahoe County had the highest population with Celtic ancestry (266), followed by Boulder County (243), and El Paso County (210).
The chart and table below shows the top 10 counties with high number of people with Celtic ancestry.
You can see similar information for other states and for other ancestry groups in Colorado.
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Related Topics: Colorado ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Colorado Counties By Population with Celtic Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Arapahoe County | 266 |
| 2 | Boulder County | 243 |
| 3 | El Paso County | 210 |
| 4 | Denver County | 185 |
| 5 | Larimer County | 147 |
| 6 | Jefferson County | 140 |
| 7 | Moffat County | 79 |
| 8 | Adams County | 66 |
| 9 | Eagle County | 56 |
| 10 | Pueblo County | 55 |
| 11 | Pitkin County | 52 |
| 12 | Douglas County | 46 |
| 13 | Weld County | 44 |
| 14 | Logan County | 22 |
| 15 | Gunnison County | 20 |
| 15 | Otero County | 20 |
| 16 | Montezuma County | 9 |
| 17 | Broomfield County | 7 |
| 18 | Ouray County | 6 |
| 19 | Fremont County | 5 |
| 20 | Elbert County | 4 |
| 20 | Huerfano County | 4 |
| 21 | Baca County | 3 |
| 22 | Summit County | 2 |