Missoula 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 117.38K Missoula County, MT population, 35.17K had Unclassified ancestry (29.96%), 25.14K had German ancestry (21.41%), and 17.93K had Irish ancestry (15.27%).
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.
Missoula County, MT Population By Ancestry in 2021
Items per page:
0 of 0
| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Unclassified | 35170 | 29.96 |
| German | 25135 | 21.41 |
| Irish | 17927 | 15.27 |
| Other Groups | 15693 | 13.37 |
| English | 14282 | 12.17 |
| Norwegian | 8014 | 6.83 |
| Italian | 4780 | 4.07 |
| American | 4130 | 3.52 |
| European | 3794 | 3.23 |
| Scottish | 3643 | 3.10 |
| French (except Basque) | 3641 | 3.10 |
| Swedish | 3360 | 2.86 |
| Polish | 2301 | 1.96 |
| Dutch | 1910 | 1.63 |
| Scotch Irish | 1853 | 1.58 |
| Scandinavian | 1195 | 1.02 |
| Danish | 980 | 0.84 |
| Russian | 900 | 0.77 |
| British | 868 | 0.74 |
| Welsh | 760 | 0.65 |
| French Canadian | 663 | 0.56 |
| Swiss | 662 | 0.56 |
| Northern European | 637 | 0.54 |
| Finnish | 628 | 0.54 |
| Czech | 599 | 0.51 |
| Hungarian | 583 | 0.50 |
| Austrian | 425 | 0.36 |
| Ukrainian | 308 | 0.26 |
| Croatian | 299 | 0.26 |
| Eastern European | 270 | 0.23 |
| Greek | 252 | 0.22 |
| Belgian | 206 | 0.18 |
| Portuguese | 198 | 0.17 |
| Czechoslovakian | 181 | 0.15 |
| Lebanese | 161 | 0.14 |
| Canadian | 158 | 0.14 |
| Slavic | 121 | 0.10 |
| Subsaharan African | 111 | 0.10 |
| Serbian | 94 | 0.08 |
| Yugoslavian | 94 | 0.08 |
| West Indian (except Hispanic groups) | 90 | 0.08 |
| Romanian | 88 | 0.08 |
| Slovak | 87 | 0.07 |
| Albania | 81 | 0.07 |
| Icelander | 65 | 0.06 |
| Lithuanian | 62 | 0.05 |
| African | 61 | 0.05 |
| Bulgarian | 35 | 0.03 |
| Luxembourger | 35 | 0.03 |
| Basque | 33 | 0.03 |
| Syrian | 32 | 0.03 |
| South African | 29 | 0.03 |
| Bermudan | 27 | 0.02 |
| Barbadian | 26 | 0.02 |
| Iranian | 25 | 0.02 |
| Haitian | 21 | 0.02 |
| Armenian | 20 | 0.02 |
| Australian | 20 | 0.02 |
| Slovene | 17 | 0.01 |
| Jamaican | 16 | 0.01 |
| Celtic | 15 | 0.01 |
| German Russian | 15 | 0.01 |
| Latvian | 14 | 0.01 |
| Ghanaian | 14 | 0.01 |
| Cajun | 13 | 0.01 |
| Palestinian | 10 | 0.01 |
| New Zealander | 7 | 0.01 |
| Israeli | 6 | 0.01 |
| Pennsylvania German | 5 | 0.00 |
| Moroccan | 3 | 0.00 |
| Nigerian | 3 | 0.00 |