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Groton School District Historical First Ancestry Data
ACS 2010-2014 data
35,921 (89.50%) out of the total population of 40,136 reported first ancestry.
| Groton School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 136 | 0.34%, see rank | 0.61% | 0.56% |
| Czech | 259 | 0.65%, see rank | 0.37% | 0.47% |
| Danish | 363 | 0.90%, see rank | 0.33% | 0.42% |
| Dutch | 430 | 1.07%, see rank | 0.74% | 1.40% |
| English | 5,358 | 13.35%, see rank | 8.94% | 8.02% |
| French | 3,528 | 8.79%, see rank | 8.47% | 3.34% |
| German | 5,849 | 14.57%, see rank | 9.34% | 15.03% |
| Greek | 282 | 0.70%, see rank | 0.87% | 0.41% |
| Hungarian | 173 | 0.43%, see rank | 1.03% | 0.46% |
| Irish | 6,673 | 16.63%, see rank | 16.03% | 10.80% |
| Italian | 5,251 | 13.08%, see rank | 18.43% | 5.52% |
| Norwegian | 420 | 1.05%, see rank | 0.54% | 1.42% |
| Polish | 2,516 | 6.27%, see rank | 7.96% | 3.01% |
| Portuguese | 526 | 1.31%, see rank | 1.39% | 0.44% |
| Russian | 522 | 1.30%, see rank | 1.82% | 0.92% |
| Scotch-Irish | 430 | 1.07%, see rank | 0.53% | 0.99% |
| Scottish | 1,420 | 3.54%, see rank | 1.84% | 1.72% |
| Subsaharan African | 136 | 0.34%, see rank | 0.92% | 0.95% |
| Swedish | 1,050 | 2.62%, see rank | 1.71% | 1.27% |
| Swiss | 74 | 0.18%, see rank | 0.23% | 0.30% |
| Ukrainian | 126 | 0.31%, see rank | 0.55% | 0.31% |
| American | 1,793 | 4.47%, see rank | 3.92% | 7.12% |
| Welsh | 398 | 0.99%, see rank | 0.41% | 0.57% |
ACS 2008-2012 data
36,090 (90.05%) out of the total population of 40,079 reported first ancestry.
| Groton School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 172 | 0.43%, see rank | 0.60% | 0.53% |
| Czech | 230 | 0.57%, see rank | 0.41% | 0.50% |
| Danish | 373 | 0.93%, see rank | 0.36% | 0.45% |
| Dutch | 616 | 1.54%, see rank | 0.82% | 1.51% |
| English | 5,897 | 14.71%, see rank | 9.64% | 8.53% |
| French | 3,490 | 8.71%, see rank | 8.89% | 3.54% |
| German | 5,764 | 14.38%, see rank | 9.86% | 15.79% |
| Greek | 347 | 0.87%, see rank | 0.88% | 0.42% |
| Hungarian | 191 | 0.48%, see rank | 1.09% | 0.48% |
| Irish | 7,076 | 17.66%, see rank | 16.75% | 11.36% |
| Italian | 5,062 | 12.63%, see rank | 18.96% | 5.66% |
| Norwegian | 456 | 1.14%, see rank | 0.53% | 1.46% |
| Polish | 2,923 | 7.29%, see rank | 8.22% | 3.13% |
| Portuguese | 546 | 1.36%, see rank | 1.52% | 0.46% |
| Russian | 507 | 1.27%, see rank | 1.93% | 0.97% |
| Scotch-Irish | 535 | 1.33%, see rank | 0.58% | 1.07% |
| Scottish | 1,388 | 3.46%, see rank | 1.96% | 1.81% |
| Subsaharan African | 132 | 0.33%, see rank | 0.85% | 0.93% |
| Swedish | 967 | 2.41%, see rank | 1.79% | 1.34% |
| Swiss | 101 | 0.25%, see rank | 0.26% | 0.31% |
| Ukrainian | 169 | 0.42%, see rank | 0.60% | 0.31% |
| American | 1,631 | 4.07%, see rank | 3.13% | 6.72% |
| Welsh | 308 | 0.77%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
36,404 (90.44%) out of the total population of 40,254 reported first ancestry.
| Groton School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 153 | 0.38%, see rank | 0.50% | 0.50% |
| Czech | 117 | 0.29%, see rank | 0.45% | 0.53% |
| Danish | 169 | 0.42%, see rank | 0.38% | 0.48% |
| Dutch | 673 | 1.67%, see rank | 0.85% | 1.63% |
| English | 6,424 | 15.96%, see rank | 10.26% | 9.02% |
| French | 3,763 | 9.35%, see rank | 9.31% | 3.77% |
| German | 6,153 | 15.29%, see rank | 10.22% | 16.51% |
| Greek | 254 | 0.63%, see rank | 0.89% | 0.44% |
| Hungarian | 254 | 0.63%, see rank | 1.14% | 0.51% |
| Irish | 7,560 | 18.78%, see rank | 17.34% | 11.76% |
| Italian | 5,143 | 12.78%, see rank | 19.04% | 5.78% |
| Norwegian | 577 | 1.43%, see rank | 0.56% | 1.51% |
| Polish | 2,731 | 6.78%, see rank | 8.39% | 3.24% |
| Portuguese | 663 | 1.65%, see rank | 1.54% | 0.47% |
| Russian | 436 | 1.08%, see rank | 2.01% | 1.01% |
| Scotch-Irish | 1,049 | 2.61%, see rank | 1.38% | 1.72% |
| Scottish | 1,172 | 2.91%, see rank | 2.05% | 1.92% |
| Subsaharan African | 97 | 0.24%, see rank | 0.80% | 0.91% |
| Swedish | 997 | 2.48%, see rank | 1.88% | 1.41% |
| Swiss | 135 | 0.34%, see rank | 0.29% | 0.33% |
| Ukrainian | 84 | 0.21%, see rank | 0.63% | 0.31% |
| American | 1,400 | 3.48%, see rank | 2.67% | 6.28% |
| Welsh | 409 | 1.02%, see rank | 0.42% | 0.63% |
ACS 2005-2009 data
36,843 (91.85%) out of the total population of 40,114 reported first ancestry.
| Groton School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 219 | 0.55%, see rank | 0.51% | 0.50% |
| Czech | 115 | 0.29%, see rank | 0.45% | 0.54% |
| Danish | 114 | 0.28%, see rank | 0.38% | 0.49% |
| Dutch | 714 | 1.78%, see rank | 0.88% | 1.68% |
| English | 6,490 | 16.18%, see rank | 10.69% | 9.29% |
| French | 3,897 | 9.71%, see rank | 9.68% | 3.90% |
| German | 6,156 | 15.35%, see rank | 10.48% | 16.89% |
| Greek | 370 | 0.92%, see rank | 0.88% | 0.45% |
| Hungarian | 245 | 0.61%, see rank | 1.17% | 0.52% |
| Irish | 7,685 | 19.16%, see rank | 17.77% | 12.01% |
| Italian | 5,447 | 13.58%, see rank | 19.37% | 5.91% |
| Norwegian | 592 | 1.48%, see rank | 0.59% | 1.55% |
| Polish | 2,405 | 6.00%, see rank | 8.55% | 3.32% |
| Portuguese | 674 | 1.68%, see rank | 1.59% | 0.48% |
| Russian | 381 | 0.95%, see rank | 2.07% | 1.04% |
| Scotch-Irish | 919 | 2.29%, see rank | 1.43% | 1.77% |
| Scottish | 1,574 | 3.92%, see rank | 2.13% | 1.97% |
| Subsaharan African | 130 | 0.32%, see rank | 0.73% | 0.88% |
| Swedish | 764 | 1.90%, see rank | 1.96% | 1.45% |
| Swiss | 152 | 0.38%, see rank | 0.30% | 0.34% |
| Ukrainian | 103 | 0.26%, see rank | 0.66% | 0.32% |
| American | 1,621 | 4.04%, see rank | 2.70% | 6.43% |
| Welsh | 420 | 1.05%, see rank | 0.44% | 0.65% |
* 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.