Delaware County, OH Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 211.12K Delaware County, OH population, 56.20K had German ancestry (26.62%), 42.96K had Unclassified ancestry (20.35%), and 37.72K had Other Groups ancestry (17.87%).
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 Ohio counties, and for Ohio.
Data Source: US Census - ACS 5-Year Estimates (2021).
Delaware County, OH Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 56202 | 26.62 |
| Unclassified | 42959 | 20.35 |
| Other Groups | 37721 | 17.87 |
| Irish | 32490 | 15.39 |
| English | 26293 | 12.45 |
| Italian | 14566 | 6.90 |
| American | 10103 | 4.79 |
| Scottish | 7077 | 3.35 |
| Polish | 6606 | 3.13 |
| French (except Basque) | 5173 | 2.45 |
| European | 4634 | 2.19 |
| Welsh | 3736 | 1.77 |
| Scotch Irish | 2822 | 1.34 |
| Hungarian | 2397 | 1.14 |
| Dutch | 2364 | 1.12 |
| Subsaharan African | 2272 | 1.08 |
| Swedish | 2190 | 1.04 |
| Slovak | 1793 | 0.85 |
| Norwegian | 1754 | 0.83 |
| British | 1568 | 0.74 |
| Swiss | 1422 | 0.67 |
| Greek | 1341 | 0.64 |
| Scandinavian | 1298 | 0.62 |
| Czech | 1241 | 0.59 |
| Russian | 1099 | 0.52 |
| Eastern European | 964 | 0.46 |
| Canadian | 749 | 0.36 |
| African | 698 | 0.33 |
| Austrian | 542 | 0.26 |
| Ukrainian | 538 | 0.26 |
| French Canadian | 529 | 0.25 |
| Northern European | 490 | 0.23 |
| Croatian | 487 | 0.23 |
| Czechoslovakian | 411 | 0.20 |
| Lithuanian | 410 | 0.19 |
| Romanian | 406 | 0.19 |
| Slavic | 354 | 0.17 |
| Danish | 344 | 0.16 |
| Jordanian | 316 | 0.15 |
| Yugoslavian | 305 | 0.14 |
| Ghanaian | 269 | 0.13 |
| Brazilian | 261 | 0.12 |
| Slovene | 254 | 0.12 |
| Turkish | 248 | 0.12 |
| Lebanese | 239 | 0.11 |
| Finnish | 230 | 0.11 |
| Iranian | 224 | 0.11 |
| West Indian (except Hispanic groups) | 224 | 0.11 |
| Belgian | 174 | 0.08 |
| Syrian | 164 | 0.08 |
| Egyptian | 155 | 0.07 |
| Serbian | 150 | 0.07 |
| West Indian | 134 | 0.06 |
| Arab | 126 | 0.06 |
| Portuguese | 119 | 0.06 |
| Sierra Leonean | 119 | 0.06 |
| Ethiopian | 117 | 0.06 |
| Bulgarian | 110 | 0.05 |
| Nigerian | 93 | 0.04 |
| Jamaican | 89 | 0.04 |
| Icelander | 88 | 0.04 |
| Armenian | 87 | 0.04 |
| Pennsylvania German | 84 | 0.04 |
| Palestinian | 82 | 0.04 |
| Somali | 80 | 0.04 |
| Macedonian | 66 | 0.03 |
| Kenyan | 62 | 0.03 |
| Estonian | 61 | 0.03 |
| Latvian | 59 | 0.03 |
| Albania | 57 | 0.03 |
| Maltese | 51 | 0.02 |
| Guyanese | 41 | 0.02 |
| Celtic | 37 | 0.02 |
| New Zealander | 35 | 0.02 |
| Senegalese | 32 | 0.02 |
| Israeli | 18 | 0.01 |
| Moroccan | 13 | 0.01 |
| Haitian | 13 | 0.01 |
| Cypriot | 10 | 0.01 |
| South African | 9 | 0.00 |
| Ugandan | 6 | 0.00 |