Sheridan County, MT Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 3.52K Sheridan County, MT population, 892 had German ancestry (25.33%), 815 had Unclassified ancestry (23.14%), and 795 had Norwegian ancestry (22.57%).
The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.
You can see similar information for other Montana counties, and for Montana.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Sheridan County, MT Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| German | 892 | 25.33 |
| Unclassified | 815 | 23.14 |
| Norwegian | 795 | 22.57 |
| Other Groups | 354 | 10.05 |
| Irish | 278 | 7.89 |
| Danish | 270 | 7.67 |
| American | 216 | 6.13 |
| English | 213 | 6.05 |
| Scandinavian | 180 | 5.11 |
| Swedish | 145 | 4.12 |
| European | 105 | 2.98 |
| Italian | 88 | 2.50 |
| Polish | 82 | 2.33 |
| French (except Basque) | 77 | 2.19 |
| Dutch | 73 | 2.07 |
| Scottish | 67 | 1.90 |
| Northern European | 54 | 1.53 |
| Swiss | 48 | 1.36 |
| Lebanese | 29 | 0.82 |
| Scotch Irish | 29 | 0.82 |
| British | 28 | 0.80 |
| French Canadian | 22 | 0.63 |
| Hungarian | 17 | 0.48 |
| Lithuanian | 12 | 0.34 |
| Finnish | 10 | 0.28 |
| Eastern European | 8 | 0.23 |
| Icelander | 8 | 0.23 |
| Czech | 7 | 0.20 |
| Austrian | 6 | 0.17 |
| Belgian | 6 | 0.17 |
| Welsh | 6 | 0.17 |
| Ukrainian | 5 | 0.14 |
| Armenian | 2 | 0.06 |
| Russian | 2 | 0.06 |
| Pennsylvania German | 1 | 0.03 |
| Portuguese | 1 | 0.03 |