Ohio Population By Ancestry in 2021 (ACS-5Yrs)
Updated on April 15, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 11.77M Ohio population, 2.83M had Unclassified ancestry (24.00%), 2.71M had German ancestry (22.98%), and 2.63M had Other Groups ancestry (22.37%).
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 states.
NB: People could belong to one or more ancestry groups.
Related Topics: Ohio ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ohio Population By Ancestry in 2021
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| Ancestry | Population | Percent of Population (%) |
|---|---|---|
| Unclassified | 2825220 | 24.00 |
| German | 2704923 | 22.98 |
| Other Groups | 2632802 | 22.37 |
| Irish | 1485000 | 12.62 |
| English | 1085882 | 9.23 |
| American | 734330 | 6.24 |
| Italian | 709661 | 6.03 |
| Polish | 414587 | 3.52 |
| French (except Basque) | 218707 | 1.86 |
| Scottish | 207528 | 1.76 |
| European | 181592 | 1.54 |
| Hungarian | 172974 | 1.47 |
| Subsaharan African | 154346 | 1.31 |
| Dutch | 129813 | 1.10 |
| Welsh | 115253 | 0.98 |
| Slovak | 107450 | 0.91 |
| Scotch Irish | 104678 | 0.89 |
| African | 79350 | 0.67 |
| Swiss | 66605 | 0.57 |
| British | 66268 | 0.56 |
| Swedish | 65045 | 0.55 |
| Russian | 63112 | 0.54 |
| Czech | 55158 | 0.47 |
| Greek | 51783 | 0.44 |
| Slovene | 49461 | 0.42 |
| Norwegian | 44799 | 0.38 |
| Ukrainian | 40551 | 0.35 |
| Eastern European | 36935 | 0.31 |
| Croatian | 36315 | 0.31 |
| Pennsylvania German | 32116 | 0.27 |
| French Canadian | 27938 | 0.24 |
| Lebanese | 26570 | 0.23 |
| Romanian | 26011 | 0.22 |
| Scandinavian | 24368 | 0.21 |
| Austrian | 23553 | 0.20 |
| Lithuanian | 21984 | 0.19 |
| West Indian (except Hispanic groups) | 21552 | 0.18 |
| Somali | 21051 | 0.18 |
| Czechoslovakian | 18832 | 0.16 |
| Finnish | 18020 | 0.15 |
| Serbian | 17283 | 0.15 |
| Danish | 16264 | 0.14 |
| Canadian | 14337 | 0.12 |
| Nigerian | 12342 | 0.11 |
| Arab | 11888 | 0.10 |
| Ethiopian | 11275 | 0.10 |
| Jamaican | 11018 | 0.09 |
| Northern European | 10652 | 0.09 |
| Palestinian | 10090 | 0.09 |
| Portuguese | 9507 | 0.08 |
| Ghanaian | 8404 | 0.07 |
| Belgian | 8362 | 0.07 |
| Yugoslavian | 7908 | 0.07 |
| Syrian | 7901 | 0.07 |
| Egyptian | 7094 | 0.06 |
| Turkish | 6041 | 0.05 |
| Slavic | 5984 | 0.05 |
| Iranian | 5495 | 0.05 |
| Macedonian | 5023 | 0.04 |
| Armenian | 4991 | 0.04 |
| Jordanian | 4806 | 0.04 |
| Brazilian | 4313 | 0.04 |
| Haitian | 4214 | 0.04 |
| Albania | 3949 | 0.03 |
| Moroccan | 3880 | 0.03 |
| Bulgarian | 3260 | 0.03 |
| West Indian | 3101 | 0.03 |
| Iraqi | 2787 | 0.02 |
| Liberian | 2771 | 0.02 |
| Australian | 2699 | 0.02 |
| Latvian | 2647 | 0.02 |
| Israeli | 2235 | 0.02 |
| Celtic | 1999 | 0.02 |
| Guyanese | 1749 | 0.02 |
| Kenyan | 1517 | 0.01 |
| Sierra Leonean | 1513 | 0.01 |
| Trinidadian and Tobagonian | 1464 | 0.01 |
| South African | 1263 | 0.01 |
| Senegalese | 1177 | 0.01 |
| Sudanese | 1170 | 0.01 |
| Icelander | 1004 | 0.01 |
| Afghan | 892 | 0.01 |
| German Russian | 807 | 0.01 |
| Carpatho Rusyn | 702 | 0.01 |
| Alsatian | 669 | 0.01 |
| New Zealander | 563 | 0.01 |
| Estonian | 562 | 0.01 |
| Barbadian | 557 | 0.01 |
| Maltese | 542 | 0.01 |
| Luxembourger | 536 | 0.01 |
| Zimbabwean | 504 | 0.004 |
| Belizean | 449 | 0.004 |
| Bahamian | 411 | 0.004 |
| Cape Verdean | 379 | 0.003 |
| Cajun | 272 | 0.002 |
| Ugandan | 234 | 0.002 |
| British West Indian | 205 | 0.002 |
| Cypriot | 190 | 0.002 |
| Bermudan | 182 | 0.002 |
| US Virgin Islander | 165 | 0.001 |
| Basque | 136 | 0.001 |
| Dutch West Indian | 128 | 0.001 |
| Assyrian/Chaldean/Syriac | 109 | 0.001 |
| Soviet Union | 55 | 0.001 |
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