Olney CDP, MD Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 7, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 35.82K Olney CDP, MD population, 11.45K had Other Groups ancestry (31.97%), 6.23K had Unclassified ancestry (17.40%), and 4.52K had Irish ancestry (12.63%).
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 also see similar information for other Maryland cities and places, Maryland counties, and for Maryland.
Data Source: US Census - ACS 5-Year Estimates (2021).
Olney CDP, MD Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 11451 | 31.97 |
| Unclassified | 6233 | 17.40 |
| Irish | 4522 | 12.63 |
| German | 3774 | 10.54 |
| English | 3245 | 9.06 |
| Italian | 2147 | 6.00 |
| Polish | 1442 | 4.03 |
| Subsaharan African | 1393 | 3.89 |
| American | 1308 | 3.65 |
| Russian | 1187 | 3.31 |
| European | 1041 | 2.91 |
| Eastern European | 731 | 2.04 |
| West Indian (except Hispanic groups) | 700 | 1.95 |
| Greek | 579 | 1.62 |
| Scottish | 571 | 1.59 |
| African | 516 | 1.44 |
| Ethiopian | 428 | 1.20 |
| Jamaican | 351 | 0.98 |
| Dutch | 335 | 0.94 |
| Lithuanian | 330 | 0.92 |
| French (except Basque) | 320 | 0.89 |
| Welsh | 302 | 0.84 |
| Iranian | 301 | 0.84 |
| Swedish | 289 | 0.81 |
| Scotch Irish | 281 | 0.79 |
| Northern European | 268 | 0.75 |
| Kenyan | 257 | 0.72 |
| Ukrainian | 252 | 0.70 |
| British | 249 | 0.70 |
| Norwegian | 230 | 0.64 |
| West Indian | 210 | 0.59 |
| Hungarian | 186 | 0.52 |
| Portuguese | 185 | 0.52 |
| Czech | 183 | 0.51 |
| Slovak | 153 | 0.43 |
| French Canadian | 151 | 0.42 |
| Brazilian | 150 | 0.42 |
| Lebanese | 137 | 0.38 |
| Guyanese | 118 | 0.33 |
| Scandinavian | 111 | 0.31 |
| Swiss | 110 | 0.31 |
| Finnish | 90 | 0.25 |
| Danish | 71 | 0.20 |
| Canadian | 66 | 0.18 |
| Nigerian | 64 | 0.18 |
| Trinidadian and Tobagonian | 64 | 0.18 |
| Haitian | 63 | 0.18 |
| Turkish | 59 | 0.17 |
| Icelander | 58 | 0.16 |
| Serbian | 54 | 0.15 |