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Rockville, CT Historical First Ancestry Data
ACS 2010-2014 data
6,394 (87.02%) out of the total population of 7,348 reported first ancestry.
| Rockville, CT | % of the Total Population | Connecticut | U.S. | |
| Arab | 6 | 0.08%, see rank | 0.61% | 0.56% |
| Czech | 0 | 0.00%, see rank | 0.37% | 0.47% |
| Danish | 6 | 0.08%, see rank | 0.33% | 0.42% |
| Dutch | 4 | 0.05%, see rank | 0.74% | 1.40% |
| English | 523 | 7.12%, see rank | 8.94% | 8.02% |
| French | 842 | 11.46%, see rank | 8.47% | 3.34% |
| German | 958 | 13.04%, see rank | 9.34% | 15.03% |
| Greek | 37 | 0.50%, see rank | 0.87% | 0.41% |
| Hungarian | 6 | 0.08%, see rank | 1.03% | 0.46% |
| Irish | 1,411 | 19.20%, see rank | 16.03% | 10.80% |
| Italian | 981 | 13.35%, see rank | 18.43% | 5.52% |
| Norwegian | 34 | 0.46%, see rank | 0.54% | 1.42% |
| Polish | 732 | 9.96%, see rank | 7.96% | 3.01% |
| Portuguese | 87 | 1.18%, see rank | 1.39% | 0.44% |
| Russian | 2 | 0.03%, see rank | 1.82% | 0.92% |
| Scotch-Irish | 70 | 0.95%, see rank | 0.53% | 0.99% |
| Scottish | 83 | 1.13%, see rank | 1.84% | 1.72% |
| Subsaharan African | 77 | 1.05%, see rank | 0.92% | 0.95% |
| Swedish | 58 | 0.79%, see rank | 1.71% | 1.27% |
| Swiss | 0 | 0.00%, see rank | 0.23% | 0.30% |
| Ukrainian | 30 | 0.41%, see rank | 0.55% | 0.31% |
| American | 211 | 2.87%, see rank | 3.92% | 7.12% |
| Welsh | 0 | 0.00%, see rank | 0.41% | 0.57% |
ACS 2008-2012 data
6,754 (88.10%) out of the total population of 7,666 reported first ancestry.
| Rockville, CT | % of the Total Population | Connecticut | U.S. | |
| Arab | 9 | 0.12%, see rank | 0.60% | 0.53% |
| Czech | 28 | 0.37%, see rank | 0.41% | 0.50% |
| Danish | 9 | 0.12%, see rank | 0.36% | 0.45% |
| Dutch | 6 | 0.08%, see rank | 0.82% | 1.51% |
| English | 742 | 9.68%, see rank | 9.64% | 8.53% |
| French | 964 | 12.58%, see rank | 8.89% | 3.54% |
| German | 1,300 | 16.96%, see rank | 9.86% | 15.79% |
| Greek | 62 | 0.81%, see rank | 0.88% | 0.42% |
| Hungarian | 7 | 0.09%, see rank | 1.09% | 0.48% |
| Irish | 1,244 | 16.23%, see rank | 16.75% | 11.36% |
| Italian | 1,207 | 15.74%, see rank | 18.96% | 5.66% |
| Norwegian | 80 | 1.04%, see rank | 0.53% | 1.46% |
| Polish | 830 | 10.83%, see rank | 8.22% | 3.13% |
| Portuguese | 108 | 1.41%, see rank | 1.52% | 0.46% |
| Russian | 43 | 0.56%, see rank | 1.93% | 0.97% |
| Scotch-Irish | 110 | 1.43%, see rank | 0.58% | 1.07% |
| Scottish | 206 | 2.69%, see rank | 1.96% | 1.81% |
| Subsaharan African | 11 | 0.14%, see rank | 0.85% | 0.93% |
| Swedish | 88 | 1.15%, see rank | 1.79% | 1.34% |
| Swiss | 0 | 0.00%, see rank | 0.26% | 0.31% |
| Ukrainian | 14 | 0.18%, see rank | 0.60% | 0.31% |
| American | 152 | 1.98%, see rank | 3.13% | 6.72% |
| Welsh | 0 | 0.00%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
7,041 (91.37%) out of the total population of 7,706 reported first ancestry.
| Rockville, CT | % of the Total Population | Connecticut | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.50% | 0.50% |
| Czech | 39 | 0.51%, see rank | 0.45% | 0.53% |
| Danish | 14 | 0.18%, see rank | 0.38% | 0.48% |
| Dutch | 0 | 0.00%, see rank | 0.85% | 1.63% |
| English | 720 | 9.34%, see rank | 10.26% | 9.02% |
| French | 1,019 | 13.22%, see rank | 9.31% | 3.77% |
| German | 1,090 | 14.14%, see rank | 10.22% | 16.51% |
| Greek | 61 | 0.79%, see rank | 0.89% | 0.44% |
| Hungarian | 24 | 0.31%, see rank | 1.14% | 0.51% |
| Irish | 990 | 12.85%, see rank | 17.34% | 11.76% |
| Italian | 1,185 | 15.38%, see rank | 19.04% | 5.78% |
| Norwegian | 81 | 1.05%, see rank | 0.56% | 1.51% |
| Polish | 381 | 4.94%, see rank | 8.39% | 3.24% |
| Portuguese | 13 | 0.17%, see rank | 1.54% | 0.47% |
| Russian | 81 | 1.05%, see rank | 2.01% | 1.01% |
| Scotch-Irish | 161 | 2.09%, see rank | 1.38% | 1.72% |
| Scottish | 376 | 4.88%, see rank | 2.05% | 1.92% |
| Subsaharan African | 0 | 0.00%, see rank | 0.80% | 0.91% |
| Swedish | 124 | 1.61%, see rank | 1.88% | 1.41% |
| Swiss | 0 | 0.00%, see rank | 0.29% | 0.33% |
| Ukrainian | 53 | 0.69%, see rank | 0.63% | 0.31% |
| American | 421 | 5.46%, see rank | 2.67% | 6.28% |
| Welsh | 39 | 0.51%, see rank | 0.42% | 0.63% |
ACS 2005-2009 data
7,603 (91.96%) out of the total population of 8,268 reported first ancestry.
| Rockville, CT | % of the Total Population | Connecticut | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.51% | 0.50% |
| Czech | 43 | 0.52%, see rank | 0.45% | 0.54% |
| Danish | 10 | 0.12%, see rank | 0.38% | 0.49% |
| Dutch | 0 | 0.00%, see rank | 0.88% | 1.68% |
| English | 787 | 9.52%, see rank | 10.69% | 9.29% |
| French | 1,256 | 15.19%, see rank | 9.68% | 3.90% |
| German | 842 | 10.18%, see rank | 10.48% | 16.89% |
| Greek | 75 | 0.91%, see rank | 0.88% | 0.45% |
| Hungarian | 24 | 0.29%, see rank | 1.17% | 0.52% |
| Irish | 1,333 | 16.12%, see rank | 17.77% | 12.01% |
| Italian | 1,266 | 15.31%, see rank | 19.37% | 5.91% |
| Norwegian | 124 | 1.50%, see rank | 0.59% | 1.55% |
| Polish | 405 | 4.90%, see rank | 8.55% | 3.32% |
| Portuguese | 15 | 0.18%, see rank | 1.59% | 0.48% |
| Russian | 105 | 1.27%, see rank | 2.07% | 1.04% |
| Scotch-Irish | 83 | 1.00%, see rank | 1.43% | 1.77% |
| Scottish | 537 | 6.49%, see rank | 2.13% | 1.97% |
| Subsaharan African | 0 | 0.00%, see rank | 0.73% | 0.88% |
| Swedish | 221 | 2.67%, see rank | 1.96% | 1.45% |
| Swiss | 17 | 0.21%, see rank | 0.30% | 0.34% |
| Ukrainian | 55 | 0.67%, see rank | 0.66% | 0.32% |
| American | 307 | 3.71%, see rank | 2.70% | 6.43% |
| Welsh | 42 | 0.51%, see rank | 0.44% | 0.65% |
US Census 2000 data
6,313 (81.90%) out of the total population of 7,708 reported first ancestry.
| Rockville, CT | % of the Total Population | Connecticut | U.S. | |
| Arab | 37 | 0.48%, see rank | 0.34% | 0.36% |
| Czech | 5 | 0.06%, see rank | 0.17% | 0.27% |
| Danish | 29 | 0.38%, see rank | 0.23% | 0.30% |
| Dutch | 7 | 0.09%, see rank | 0.40% | 0.91% |
| English | 533 | 6.91%, see rank | 6.33% | 5.91% |
| French | 997 | 12.93%, see rank | 6.39% | 2.39% |
| German | 350 | 4.54%, see rank | 5.53% | 10.81% |
| Greek | 19 | 0.25%, see rank | 0.65% | 0.34% |
| Hungarian | 0 | 0.00%, see rank | 0.74% | 0.32% |
| Irish | 812 | 10.53%, see rank | 10.80% | 6.85% |
| Italian | 704 | 9.13%, see rank | 15.75% | 4.59% |
| Norwegian | 21 | 0.27%, see rank | 0.41% | 1.15% |
| Polish | 515 | 6.68%, see rank | 5.87% | 2.24% |
| Portuguese | 36 | 0.47%, see rank | 1.06% | 0.33% |
| Russian | 67 | 0.87%, see rank | 1.35% | 0.68% |
| Scotch-Irish | 29 | 0.38%, see rank | 0.82% | 1.17% |
| Scottish | 136 | 1.76%, see rank | 1.16% | 1.12% |
| Subsaharan African | 42 | 0.54%, see rank | 0.51% | 0.61% |
| Swedish | 71 | 0.92%, see rank | 1.13% | 0.87% |
| Swiss | 26 | 0.34%, see rank | 0.16% | 0.19% |
| Ukrainian | 15 | 0.19%, see rank | 0.47% | 0.24% |
| American | 338 | 4.39%, see rank | 3.25% | 7.33% |
| Welsh | 0 | 0.00%, see rank | 0.21% | 0.31% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.