Montgomery County, MO Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 11.38K Montgomery County, MO population, 3.64K had Unclassified ancestry (31.96%), 3.49K had German ancestry (30.68%), and 1.63K had Other Groups ancestry (14.27%).
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 Missouri counties, and for Missouri.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Montgomery County, MO Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Unclassified | 3638 | 31.96 |
| German | 3492 | 30.68 |
| Other Groups | 1625 | 14.27 |
| Irish | 1494 | 13.12 |
| English | 1363 | 11.97 |
| American | 838 | 7.36 |
| Italian | 270 | 2.37 |
| European | 254 | 2.23 |
| Scottish | 204 | 1.79 |
| French (except Basque) | 181 | 1.59 |
| Dutch | 169 | 1.49 |
| Polish | 161 | 1.41 |
| Scotch Irish | 87 | 0.76 |
| Welsh | 81 | 0.71 |
| Swedish | 67 | 0.59 |
| Serbian | 64 | 0.56 |
| Slovene | 64 | 0.56 |
| Subsaharan African | 51 | 0.45 |
| African | 51 | 0.45 |
| French Canadian | 26 | 0.23 |
| Greek | 24 | 0.21 |
| Czech | 21 | 0.18 |
| Austrian | 18 | 0.16 |
| British | 17 | 0.15 |
| Norwegian | 16 | 0.14 |
| Ukrainian | 16 | 0.14 |
| Swiss | 15 | 0.13 |
| Danish | 11 | 0.10 |
| Russian | 11 | 0.10 |
| Scandinavian | 11 | 0.10 |
| Northern European | 8 | 0.07 |
| Portuguese | 3 | 0.03 |
| Slovak | 3 | 0.03 |
| Australian | 2 | 0.02 |
| Hungarian | 2 | 0.02 |
| Slavic | 1 | 0.01 |
| Yugoslavian | 1 | 0.01 |