Montgomery 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 536.14K Montgomery County, OH population, 154.37K had Other Groups ancestry (28.79%), 137.56K had Unclassified ancestry (25.66%), and 108.65K had German ancestry (20.27%).
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).
Montgomery County, OH Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 154367 | 28.79 |
| Unclassified | 137561 | 25.66 |
| German | 108651 | 20.27 |
| Irish | 60810 | 11.34 |
| English | 49183 | 9.17 |
| American | 30520 | 5.69 |
| Italian | 16100 | 3.00 |
| European | 11361 | 2.12 |
| French (except Basque) | 9967 | 1.86 |
| Scottish | 9792 | 1.83 |
| Polish | 9037 | 1.69 |
| Subsaharan African | 8011 | 1.49 |
| Dutch | 6402 | 1.19 |
| African | 5468 | 1.02 |
| Scotch Irish | 5106 | 0.95 |
| Welsh | 4219 | 0.79 |
| Hungarian | 3842 | 0.72 |
| British | 3570 | 0.67 |
| Norwegian | 2893 | 0.54 |
| Swedish | 2892 | 0.54 |
| Russian | 1783 | 0.33 |
| Swiss | 1678 | 0.31 |
| Eastern European | 1520 | 0.28 |
| Turkish | 1388 | 0.26 |
| Greek | 1305 | 0.24 |
| Arab | 1168 | 0.22 |
| Scandinavian | 1163 | 0.22 |
| Czech | 1122 | 0.21 |
| Danish | 1082 | 0.20 |
| Slovak | 1052 | 0.20 |
| Austrian | 1031 | 0.19 |
| Lithuanian | 1022 | 0.19 |
| French Canadian | 972 | 0.18 |
| Lebanese | 818 | 0.15 |
| West Indian (except Hispanic groups) | 792 | 0.15 |
| Palestinian | 506 | 0.09 |
| Romanian | 498 | 0.09 |
| Canadian | 492 | 0.09 |
| Ukrainian | 487 | 0.09 |
| Iraqi | 481 | 0.09 |
| Portuguese | 449 | 0.08 |
| Nigerian | 435 | 0.08 |
| Czechoslovakian | 432 | 0.08 |
| Croatian | 409 | 0.08 |
| Jamaican | 397 | 0.07 |
| Northern European | 394 | 0.07 |
| Finnish | 382 | 0.07 |
| Yugoslavian | 313 | 0.06 |
| Jordanian | 292 | 0.05 |
| Egyptian | 278 | 0.05 |
| Belgian | 268 | 0.05 |
| Pennsylvania German | 262 | 0.05 |
| Ethiopian | 253 | 0.05 |
| Slovene | 248 | 0.05 |
| Serbian | 247 | 0.05 |
| Bulgarian | 197 | 0.04 |
| Sudanese | 188 | 0.04 |
| Haitian | 188 | 0.04 |
| Iranian | 154 | 0.03 |
| Armenian | 137 | 0.03 |
| West Indian | 129 | 0.02 |
| Cape Verdean | 107 | 0.02 |
| Celtic | 104 | 0.02 |
| Senegalese | 98 | 0.02 |
| Macedonian | 84 | 0.02 |
| Latvian | 79 | 0.02 |
| Ghanaian | 75 | 0.01 |
| Slavic | 69 | 0.01 |
| Syrian | 68 | 0.01 |
| Trinidadian and Tobagonian | 66 | 0.01 |
| German Russian | 61 | 0.01 |
| Brazilian | 51 | 0.01 |
| Moroccan | 49 | 0.01 |
| Kenyan | 49 | 0.01 |
| Estonian | 46 | 0.01 |
| Afghan | 42 | 0.01 |
| Cajun | 40 | 0.01 |
| Basque | 38 | 0.01 |
| Carpatho Rusyn | 35 | 0.01 |
| Australian | 26 | 0.01 |
| Barbadian | 26 | 0.01 |
| Luxembourger | 23 | 0.00 |
| South African | 22 | 0.00 |
| Icelander | 21 | 0.00 |
| Israeli | 20 | 0.00 |
| Zimbabwean | 19 | 0.00 |
| Albania | 16 | 0.00 |
| Guyanese | 15 | 0.00 |
| Liberian | 12 | 0.00 |
| Alsatian | 10 | 0.00 |
| Maltese | 6 | 0.00 |
| Somali | 5 | 0.00 |
| Belizean | 1 | 0.00 |