Rockville CDP, CT Population By Ancestry in 2021 (ACS-5Yrs)
Updated on March 7, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among the 7.61K Rockville CDP, CT population, 2.49K had Other Groups ancestry (32.71%), 1.53K had Unclassified ancestry (20.13%), and 1.26K had Irish ancestry (16.57%).
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 Connecticut cities and places, Connecticut counties, and for Connecticut.
Data Source: US Census - ACS 5-Year Estimates (2021).
Rockville CDP, CT Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| Other Groups | 2490 | 32.71 |
| Unclassified | 1532 | 20.13 |
| Irish | 1261 | 16.57 |
| French (except Basque) | 765 | 10.05 |
| English | 607 | 7.97 |
| Polish | 606 | 7.96 |
| Italian | 540 | 7.09 |
| German | 418 | 5.49 |
| American | 234 | 3.07 |
| Portuguese | 204 | 2.68 |
| West Indian (except Hispanic groups) | 177 | 2.33 |
| French Canadian | 154 | 2.02 |
| Scottish | 125 | 1.64 |
| Scotch Irish | 92 | 1.21 |
| Swedish | 84 | 1.10 |
| West Indian | 80 | 1.05 |
| Slovak | 75 | 0.99 |
| Canadian | 70 | 0.92 |
| Armenian | 64 | 0.84 |
| Dutch | 64 | 0.84 |
| Czech | 55 | 0.72 |
| Subsaharan African | 54 | 0.71 |
| African | 54 | 0.71 |
| Hungarian | 53 | 0.70 |
| British West Indian | 50 | 0.66 |
| Jamaican | 47 | 0.62 |
| Brazilian | 45 | 0.59 |
| European | 41 | 0.54 |
| Czechoslovakian | 40 | 0.53 |
| Croatian | 32 | 0.42 |
| Russian | 32 | 0.42 |
| Finnish | 27 | 0.36 |
| Lebanese | 23 | 0.30 |
| Norwegian | 23 | 0.30 |
| Eastern European | 20 | 0.26 |
| Austrian | 16 | 0.21 |
| Welsh | 16 | 0.21 |
| Ukrainian | 9 | 0.12 |
| British | 7 | 0.09 |
| Albania | 2 | 0.03 |
| Greek | 2 | 0.03 |