Delaware Population By Ancestry in 2021 (ACS-5Yrs)
Updated on April 15, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 981.89K Delaware population, 282.46K had Other Groups ancestry (28.77%), 248.41K had Unclassified ancestry (25.30%), and 139.62K had Irish ancestry (14.22%).
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: Delaware ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Delaware Population By Ancestry in 2021
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| Ancestry | Population | Percent of Population (%) |
|---|---|---|
| Other Groups | 282461 | 28.77 |
| Unclassified | 248411 | 25.30 |
| Irish | 139618 | 14.22 |
| German | 119168 | 12.14 |
| English | 94290 | 9.60 |
| Italian | 84428 | 8.60 |
| American | 48994 | 4.99 |
| Polish | 39254 | 4.00 |
| Subsaharan African | 14937 | 1.52 |
| Scottish | 14898 | 1.52 |
| West Indian (except Hispanic groups) | 13558 | 1.38 |
| French (except Basque) | 12204 | 1.24 |
| European | 10911 | 1.11 |
| African | 8584 | 0.87 |
| Dutch | 8246 | 0.84 |
| Welsh | 7371 | 0.75 |
| Russian | 7182 | 0.73 |
| Swedish | 6295 | 0.64 |
| Scotch Irish | 6162 | 0.63 |
| British | 5585 | 0.57 |
| Jamaican | 5479 | 0.56 |
| Haitian | 5441 | 0.55 |
| Ukrainian | 4954 | 0.51 |
| Greek | 4653 | 0.47 |
| Norwegian | 4475 | 0.46 |
| Hungarian | 3815 | 0.39 |
| Eastern European | 3409 | 0.35 |
| French Canadian | 3040 | 0.31 |
| Nigerian | 2641 | 0.27 |
| Lithuanian | 2560 | 0.26 |
| Swiss | 2243 | 0.23 |
| Pennsylvania German | 2141 | 0.22 |
| Austrian | 1946 | 0.20 |
| Slovak | 1564 | 0.16 |
| Czech | 1549 | 0.16 |
| Turkish | 1476 | 0.15 |
| Portuguese | 1451 | 0.15 |
| Scandinavian | 1449 | 0.15 |
| Canadian | 1406 | 0.14 |
| Danish | 1315 | 0.13 |
| Trinidadian and Tobagonian | 1295 | 0.13 |
| Kenyan | 1181 | 0.12 |
| Northern European | 997 | 0.10 |
| West Indian | 940 | 0.10 |
| Lebanese | 916 | 0.09 |
| Belgian | 801 | 0.08 |
| Romanian | 768 | 0.08 |
| Ghanaian | 676 | 0.07 |
| Arab | 672 | 0.07 |
| Brazilian | 588 | 0.06 |
| Czechoslovakian | 565 | 0.06 |
| Croatian | 563 | 0.06 |
| Egyptian | 551 | 0.06 |
| Guyanese | 542 | 0.06 |
| Ethiopian | 500 | 0.05 |
| Iranian | 467 | 0.05 |
| Finnish | 445 | 0.05 |
| Liberian | 419 | 0.04 |
| Bulgarian | 414 | 0.04 |
| Serbian | 396 | 0.04 |
| Moroccan | 346 | 0.04 |
| Syrian | 329 | 0.03 |
| Slavic | 318 | 0.03 |
| British West Indian | 308 | 0.03 |
| Afghan | 292 | 0.03 |
| Barbadian | 258 | 0.03 |
| Yugoslavian | 244 | 0.03 |
| Estonian | 236 | 0.02 |
| Latvian | 225 | 0.02 |
| Armenian | 219 | 0.02 |
| South African | 211 | 0.02 |
| Slovene | 188 | 0.02 |
| Australian | 172 | 0.02 |
| Albania | 163 | 0.02 |
| Celtic | 162 | 0.02 |
| Israeli | 156 | 0.02 |
| Sierra Leonean | 117 | 0.01 |
| Cajun | 100 | 0.01 |
| Bermudan | 98 | 0.01 |
| Palestinian | 85 | 0.01 |
| German Russian | 61 | 0.01 |
| Maltese | 58 | 0.01 |
| Luxembourger | 57 | 0.01 |
| Cape Verdean | 41 | 0.004 |
| Dutch West Indian | 35 | 0.004 |
| Jordanian | 34 | 0.004 |
| Macedonian | 33 | 0.003 |
| Carpatho Rusyn | 32 | 0.003 |
| Assyrian/Chaldean/Syriac | 29 | 0.003 |
| New Zealander | 24 | 0.002 |
| Alsatian | 21 | 0.002 |
| US Virgin Islander | 20 | 0.002 |
| Bahamian | 15 | 0.002 |
| Sudanese | 14 | 0.001 |
| Soviet Union | 9 | 0.001 |
| Icelander | 8 | 0.001 |
| Cypriot | 3 | 0.000 |
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