Cascade County, MT Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 84.18K Cascade County, MT population, 18.82K had Unclassified ancestry (22.35%), 17.75K had German ancestry (21.09%), and 13.99K had Other Groups ancestry (16.61%).
The chart below shows the top 10 ancestry groups, and the table below shows both the number and percentages for all ancestry groups.
You can see similar information for other Montana counties, and for Montana.
Data Source: US Census - ACS 5-Year Estimates (2021).
Cascade County, MT Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 18815 | 22.35 |
| German | 17752 | 21.09 |
| Other Groups | 13986 | 16.61 |
| Irish | 9770 | 11.61 |
| English | 8805 | 10.46 |
| American | 7159 | 8.51 |
| Norwegian | 6474 | 7.69 |
| Italian | 3655 | 4.34 |
| European | 3316 | 3.94 |
| French (except Basque) | 2408 | 2.86 |
| Scottish | 2044 | 2.43 |
| Swedish | 1839 | 2.19 |
| Polish | 1376 | 1.64 |
| Scandinavian | 1317 | 1.57 |
| Scotch Irish | 1126 | 1.34 |
| Dutch | 997 | 1.18 |
| Welsh | 986 | 1.17 |
| French Canadian | 822 | 0.98 |
| Finnish | 741 | 0.88 |
| Danish | 618 | 0.73 |
| Russian | 567 | 0.67 |
| British | 513 | 0.61 |
| Czech | 505 | 0.60 |
| Greek | 495 | 0.59 |
| Austrian | 361 | 0.43 |
| Swiss | 349 | 0.42 |
| Hungarian | 303 | 0.36 |
| Northern European | 303 | 0.36 |
| Croatian | 280 | 0.33 |
| Slavic | 250 | 0.30 |
| Czechoslovakian | 243 | 0.29 |
| Portuguese | 241 | 0.29 |
| Belgian | 216 | 0.26 |
| Slovak | 184 | 0.22 |
| Canadian | 175 | 0.21 |
| West Indian (except Hispanic groups) | 145 | 0.17 |
| Eastern European | 129 | 0.15 |
| Ukrainian | 128 | 0.15 |
| Lithuanian | 117 | 0.14 |
| Yugoslavian | 109 | 0.13 |
| Slovene | 104 | 0.12 |
| Romanian | 89 | 0.11 |
| Subsaharan African | 87 | 0.10 |
| Iranian | 76 | 0.09 |
| Arab | 70 | 0.08 |
| German Russian | 67 | 0.08 |
| Jamaican | 62 | 0.07 |
| Armenian | 53 | 0.06 |
| Haitian | 47 | 0.06 |
| Basque | 39 | 0.05 |
| Icelander | 29 | 0.03 |
| Cajun | 23 | 0.03 |
| Pennsylvania German | 22 | 0.03 |
| Bahamian | 21 | 0.03 |
| Australian | 17 | 0.02 |
| Brazilian | 17 | 0.02 |
| Estonian | 17 | 0.02 |
| Nigerian | 16 | 0.02 |
| Lebanese | 15 | 0.02 |
| West Indian | 15 | 0.02 |
| Turkish | 13 | 0.02 |
| Bulgarian | 12 | 0.01 |
| Egyptian | 10 | 0.01 |
| Luxembourger | 10 | 0.01 |
| Celtic | 5 | 0.01 |
| Latvian | 5 | 0.01 |
| Serbian | 3 | 0.00 |
| African | 1 | 0.00 |