Onondaga County, NY Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 474.62K Onondaga County, NY population, 99.57K had Unclassified ancestry (20.98%), 93.21K had Other Groups ancestry (19.64%), and 89.06K had Irish ancestry (18.76%).
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 New York counties, and for New York.
Data Source: US Census - ACS 5-Year Estimates (2021).
Onondaga County, NY Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Unclassified | 99567 | 20.98 |
| Other Groups | 93211 | 19.64 |
| Irish | 89057 | 18.76 |
| Italian | 74386 | 15.67 |
| German | 71438 | 15.05 |
| English | 52233 | 11.01 |
| Polish | 30822 | 6.49 |
| French (except Basque) | 16716 | 3.52 |
| American | 14819 | 3.12 |
| Scottish | 8079 | 1.70 |
| Dutch | 6741 | 1.42 |
| French Canadian | 6657 | 1.40 |
| Subsaharan African | 6421 | 1.35 |
| Ukrainian | 6024 | 1.27 |
| European | 5811 | 1.22 |
| Russian | 4573 | 0.96 |
| Swedish | 3734 | 0.79 |
| Welsh | 3370 | 0.71 |
| West Indian (except Hispanic groups) | 2744 | 0.58 |
| Scotch Irish | 2617 | 0.55 |
| Greek | 2499 | 0.53 |
| African | 2319 | 0.49 |
| Norwegian | 2107 | 0.44 |
| British | 2062 | 0.43 |
| Eastern European | 2041 | 0.43 |
| Hungarian | 1628 | 0.34 |
| Swiss | 1572 | 0.33 |
| Jamaican | 1473 | 0.31 |
| Austrian | 1442 | 0.30 |
| Canadian | 1368 | 0.29 |
| Somali | 1292 | 0.27 |
| Arab | 1107 | 0.23 |
| Czech | 1094 | 0.23 |
| Lebanese | 1078 | 0.23 |
| Yugoslavian | 1064 | 0.22 |
| Slovak | 950 | 0.20 |
| Scandinavian | 905 | 0.19 |
| Danish | 750 | 0.16 |
| Lithuanian | 747 | 0.16 |
| Portuguese | 735 | 0.16 |
| Palestinian | 612 | 0.13 |
| Haitian | 560 | 0.12 |
| Iraqi | 543 | 0.11 |
| Northern European | 511 | 0.11 |
| Armenian | 488 | 0.10 |
| Nigerian | 487 | 0.10 |
| Syrian | 477 | 0.10 |
| Macedonian | 469 | 0.10 |
| Kenyan | 438 | 0.09 |
| Slovene | 426 | 0.09 |
| Egyptian | 424 | 0.09 |
| Ethiopian | 424 | 0.09 |
| Slavic | 399 | 0.08 |
| Turkish | 395 | 0.08 |
| Albania | 376 | 0.08 |
| Ghanaian | 362 | 0.08 |
| West Indian | 334 | 0.07 |
| Romanian | 324 | 0.07 |
| Finnish | 284 | 0.06 |
| Moroccan | 283 | 0.06 |
| Czechoslovakian | 277 | 0.06 |
| Guyanese | 269 | 0.06 |
| Belgian | 256 | 0.05 |
| Pennsylvania German | 233 | 0.05 |
| Brazilian | 221 | 0.05 |
| Afghan | 220 | 0.05 |
| Croatian | 208 | 0.04 |
| Serbian | 198 | 0.04 |
| Trinidadian and Tobagonian | 148 | 0.03 |
| Israeli | 141 | 0.03 |
| Sudanese | 128 | 0.03 |
| Iranian | 118 | 0.03 |
| British West Indian | 114 | 0.02 |
| Celtic | 113 | 0.02 |
| Barbadian | 82 | 0.02 |
| Latvian | 81 | 0.02 |
| Liberian | 73 | 0.02 |
| Bulgarian | 61 | 0.01 |
| Maltese | 35 | 0.01 |
| South African | 33 | 0.01 |
| Zimbabwean | 32 | 0.01 |
| Australian | 30 | 0.01 |
| Jordanian | 27 | 0.01 |
| Assyrian/Chaldean/Syriac | 27 | 0.01 |
| Alsatian | 26 | 0.01 |
| Icelander | 25 | 0.01 |
| Luxembourger | 25 | 0.01 |
| Estonian | 24 | 0.01 |
| Belizean | 23 | 0.01 |
| Cape Verdean | 15 | 0.00 |
| Bahamian | 15 | 0.00 |
| Cajun | 14 | 0.00 |
| US Virgin Islander | 11 | 0.00 |
| Basque | 10 | 0.00 |
| German Russian | 10 | 0.00 |
| Dutch West Indian | 8 | 0.00 |
| Senegalese | 7 | 0.00 |