Howard County, MD Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 329.25K Howard County, MD population, 127.94K had Other Groups ancestry (38.86%), 53.54K had Unclassified ancestry (16.26%), and 41.59K had German ancestry (12.63%).
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 Maryland counties, and for Maryland.
NB: People could belong to one or more ancestry groups.
Data Source: US Census Bureau.
Howard County, MD Population By Ancestry in 2021
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| Ancestry | Population | Percent of Pop. (%) |
|---|---|---|
| Other Groups | 127941 | 38.86 |
| Unclassified | 53544 | 16.26 |
| German | 41591 | 12.63 |
| Irish | 34961 | 10.62 |
| English | 28327 | 8.60 |
| Italian | 19667 | 5.97 |
| Subsaharan African | 12907 | 3.92 |
| American | 11529 | 3.50 |
| Polish | 10645 | 3.23 |
| European | 6650 | 2.02 |
| Scottish | 5943 | 1.81 |
| Russian | 5114 | 1.55 |
| French (except Basque) | 4844 | 1.47 |
| African | 4372 | 1.33 |
| West Indian (except Hispanic groups) | 4117 | 1.25 |
| Nigerian | 4000 | 1.22 |
| British | 2910 | 0.88 |
| Eastern European | 2871 | 0.87 |
| Scotch Irish | 2724 | 0.83 |
| Greek | 2687 | 0.82 |
| Norwegian | 2500 | 0.76 |
| Jamaican | 2218 | 0.67 |
| Swedish | 2037 | 0.62 |
| Dutch | 1886 | 0.57 |
| Welsh | 1837 | 0.56 |
| Iranian | 1802 | 0.55 |
| French Canadian | 1570 | 0.48 |
| Ethiopian | 1551 | 0.47 |
| Ukrainian | 1365 | 0.42 |
| Hungarian | 1305 | 0.40 |
| Lithuanian | 1195 | 0.36 |
| Arab | 1158 | 0.35 |
| Czech | 1120 | 0.34 |
| Turkish | 1023 | 0.31 |
| Austrian | 1021 | 0.31 |
| Slovak | 984 | 0.30 |
| Scandinavian | 956 | 0.29 |
| Portuguese | 900 | 0.27 |
| Ghanaian | 774 | 0.24 |
| Danish | 752 | 0.23 |
| Swiss | 700 | 0.21 |
| Brazilian | 684 | 0.21 |
| Romanian | 655 | 0.20 |
| Guyanese | 630 | 0.19 |
| Egyptian | 551 | 0.17 |
| Haitian | 546 | 0.17 |
| Lebanese | 538 | 0.16 |
| Israeli | 507 | 0.15 |
| West Indian | 471 | 0.14 |
| Canadian | 468 | 0.14 |
| British West Indian | 451 | 0.14 |
| Serbian | 443 | 0.14 |
| Northern European | 404 | 0.12 |
| Palestinian | 403 | 0.12 |
| Trinidadian and Tobagonian | 373 | 0.11 |
| Syrian | 359 | 0.11 |
| Croatian | 349 | 0.11 |
| Finnish | 345 | 0.11 |
| Cape Verdean | 299 | 0.09 |
| Czechoslovakian | 292 | 0.09 |
| Latvian | 256 | 0.08 |
| Sierra Leonean | 244 | 0.07 |
| Slavic | 198 | 0.06 |
| Kenyan | 197 | 0.06 |
| Liberian | 192 | 0.06 |
| Afghan | 178 | 0.05 |
| Australian | 167 | 0.05 |
| Pennsylvania German | 154 | 0.05 |
| Bahamian | 148 | 0.05 |
| German Russian | 140 | 0.04 |
| Jordanian | 133 | 0.04 |
| Belgian | 131 | 0.04 |
| Armenian | 90 | 0.03 |
| South African | 86 | 0.03 |
| Albania | 85 | 0.03 |
| Barbadian | 84 | 0.03 |
| Somali | 80 | 0.02 |
| Sudanese | 67 | 0.02 |
| Moroccan | 58 | 0.02 |
| Cypriot | 56 | 0.02 |
| Yugoslavian | 54 | 0.02 |
| Iraqi | 47 | 0.01 |
| Slovene | 47 | 0.01 |
| Macedonian | 46 | 0.01 |
| Ugandan | 43 | 0.01 |
| Assyrian/Chaldean/Syriac | 42 | 0.01 |
| Luxembourger | 40 | 0.01 |
| Estonian | 39 | 0.01 |
| Carpatho Rusyn | 31 | 0.01 |
| Celtic | 31 | 0.01 |
| Icelander | 29 | 0.01 |
| Maltese | 20 | 0.01 |
| Bulgarian | 19 | 0.01 |
| Cajun | 19 | 0.01 |
| Senegalese | 17 | 0.01 |
| Belizean | 3 | 0.00 |