McClain County, OK Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 41.26K McClain County, OK population, 12.69K had Unclassified ancestry (30.76%), 11.09K had Other Groups ancestry (26.88%), and 7.30K had American ancestry (17.69%).
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 Oklahoma counties, and for Oklahoma.
Data Source: US Census - ACS 5-Year Estimates (2021).
McClain County, OK Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 12691 | 30.76 |
| Other Groups | 11092 | 26.88 |
| American | 7299 | 17.69 |
| German | 4656 | 11.29 |
| Irish | 3879 | 9.40 |
| English | 3172 | 7.69 |
| European | 798 | 1.93 |
| Scottish | 557 | 1.35 |
| Scotch Irish | 459 | 1.11 |
| French (except Basque) | 434 | 1.05 |
| Italian | 396 | 0.96 |
| Norwegian | 323 | 0.78 |
| Dutch | 297 | 0.72 |
| Welsh | 275 | 0.67 |
| Danish | 151 | 0.37 |
| Greek | 148 | 0.36 |
| Polish | 139 | 0.34 |
| British | 96 | 0.23 |
| Swedish | 84 | 0.20 |
| Czech | 73 | 0.18 |
| West Indian (except Hispanic groups) | 66 | 0.16 |
| Dutch West Indian | 66 | 0.16 |
| Russian | 65 | 0.16 |
| Subsaharan African | 53 | 0.13 |
| Portuguese | 52 | 0.13 |
| Eastern European | 48 | 0.12 |
| Northern European | 42 | 0.10 |
| Lithuanian | 36 | 0.09 |
| Scandinavian | 34 | 0.08 |
| Slavic | 33 | 0.08 |
| Austrian | 25 | 0.06 |
| Ukrainian | 23 | 0.06 |
| Belgian | 22 | 0.05 |
| African | 20 | 0.05 |
| French Canadian | 19 | 0.05 |
| Brazilian | 18 | 0.04 |
| Hungarian | 17 | 0.04 |
| Bulgarian | 16 | 0.04 |
| Cajun | 15 | 0.04 |
| Basque | 9 | 0.02 |
| Celtic | 9 | 0.02 |
| Swiss | 8 | 0.02 |
| Iranian | 7 | 0.02 |
| German Russian | 5 | 0.01 |
| Pennsylvania German | 5 | 0.01 |
| Australian | 4 | 0.01 |
| Canadian | 4 | 0.01 |
| Czechoslovakian | 4 | 0.01 |
| Slovak | 1 | 0.00 |