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Greenwich School District Historical First Ancestry Data
ACS 2010-2014 data
57,087 (91.87%) out of the total population of 62,141 reported first ancestry.
| Greenwich School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 507 | 0.82%, see rank | 0.61% | 0.56% |
| Czech | 252 | 0.41%, see rank | 0.37% | 0.47% |
| Danish | 397 | 0.64%, see rank | 0.33% | 0.42% |
| Dutch | 892 | 1.44%, see rank | 0.74% | 1.40% |
| English | 7,357 | 11.84%, see rank | 8.94% | 8.02% |
| French | 2,290 | 3.69%, see rank | 8.47% | 3.34% |
| German | 7,010 | 11.28%, see rank | 9.34% | 15.03% |
| Greek | 901 | 1.45%, see rank | 0.87% | 0.41% |
| Hungarian | 517 | 0.83%, see rank | 1.03% | 0.46% |
| Irish | 9,040 | 14.55%, see rank | 16.03% | 10.80% |
| Italian | 10,826 | 17.42%, see rank | 18.43% | 5.52% |
| Norwegian | 560 | 0.90%, see rank | 0.54% | 1.42% |
| Polish | 3,183 | 5.12%, see rank | 7.96% | 3.01% |
| Portuguese | 416 | 0.67%, see rank | 1.39% | 0.44% |
| Russian | 2,154 | 3.47%, see rank | 1.82% | 0.92% |
| Scotch-Irish | 330 | 0.53%, see rank | 0.53% | 0.99% |
| Scottish | 1,960 | 3.15%, see rank | 1.84% | 1.72% |
| Subsaharan African | 223 | 0.36%, see rank | 0.92% | 0.95% |
| Swedish | 1,320 | 2.12%, see rank | 1.71% | 1.27% |
| Swiss | 208 | 0.33%, see rank | 0.23% | 0.30% |
| Ukrainian | 241 | 0.39%, see rank | 0.55% | 0.31% |
| American | 3,753 | 6.04%, see rank | 3.92% | 7.12% |
| Welsh | 396 | 0.64%, see rank | 0.41% | 0.57% |
ACS 2008-2012 data
58,002 (94.42%) out of the total population of 61,428 reported first ancestry.
| Greenwich School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 488 | 0.79%, see rank | 0.60% | 0.53% |
| Czech | 243 | 0.40%, see rank | 0.41% | 0.50% |
| Danish | 328 | 0.53%, see rank | 0.36% | 0.45% |
| Dutch | 998 | 1.62%, see rank | 0.82% | 1.51% |
| English | 7,413 | 12.07%, see rank | 9.64% | 8.53% |
| French | 1,898 | 3.09%, see rank | 8.89% | 3.54% |
| German | 7,444 | 12.12%, see rank | 9.86% | 15.79% |
| Greek | 1,006 | 1.64%, see rank | 0.88% | 0.42% |
| Hungarian | 687 | 1.12%, see rank | 1.09% | 0.48% |
| Irish | 9,601 | 15.63%, see rank | 16.75% | 11.36% |
| Italian | 11,446 | 18.63%, see rank | 18.96% | 5.66% |
| Norwegian | 602 | 0.98%, see rank | 0.53% | 1.46% |
| Polish | 3,544 | 5.77%, see rank | 8.22% | 3.13% |
| Portuguese | 317 | 0.52%, see rank | 1.52% | 0.46% |
| Russian | 1,972 | 3.21%, see rank | 1.93% | 0.97% |
| Scotch-Irish | 511 | 0.83%, see rank | 0.58% | 1.07% |
| Scottish | 2,026 | 3.30%, see rank | 1.96% | 1.81% |
| Subsaharan African | 234 | 0.38%, see rank | 0.85% | 0.93% |
| Swedish | 1,253 | 2.04%, see rank | 1.79% | 1.34% |
| Swiss | 222 | 0.36%, see rank | 0.26% | 0.31% |
| Ukrainian | 162 | 0.26%, see rank | 0.60% | 0.31% |
| American | 2,874 | 4.68%, see rank | 3.13% | 6.72% |
| Welsh | 443 | 0.72%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
57,904 (95.22%) out of the total population of 60,809 reported first ancestry.
| Greenwich School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 348 | 0.57%, see rank | 0.50% | 0.50% |
| Czech | 284 | 0.47%, see rank | 0.45% | 0.53% |
| Danish | 326 | 0.54%, see rank | 0.38% | 0.48% |
| Dutch | 1,306 | 2.15%, see rank | 0.85% | 1.63% |
| English | 8,179 | 13.45%, see rank | 10.26% | 9.02% |
| French | 2,345 | 3.86%, see rank | 9.31% | 3.77% |
| German | 7,535 | 12.39%, see rank | 10.22% | 16.51% |
| Greek | 1,047 | 1.72%, see rank | 0.89% | 0.44% |
| Hungarian | 670 | 1.10%, see rank | 1.14% | 0.51% |
| Irish | 10,437 | 17.16%, see rank | 17.34% | 11.76% |
| Italian | 10,908 | 17.94%, see rank | 19.04% | 5.78% |
| Norwegian | 549 | 0.90%, see rank | 0.56% | 1.51% |
| Polish | 3,113 | 5.12%, see rank | 8.39% | 3.24% |
| Portuguese | 369 | 0.61%, see rank | 1.54% | 0.47% |
| Russian | 2,143 | 3.52%, see rank | 2.01% | 1.01% |
| Scotch-Irish | 1,313 | 2.16%, see rank | 1.38% | 1.72% |
| Scottish | 2,337 | 3.84%, see rank | 2.05% | 1.92% |
| Subsaharan African | 68 | 0.11%, see rank | 0.80% | 0.91% |
| Swedish | 1,097 | 1.80%, see rank | 1.88% | 1.41% |
| Swiss | 289 | 0.48%, see rank | 0.29% | 0.33% |
| Ukrainian | 181 | 0.30%, see rank | 0.63% | 0.31% |
| American | 2,866 | 4.71%, see rank | 2.67% | 6.28% |
| Welsh | 393 | 0.65%, see rank | 0.42% | 0.63% |
ACS 2005-2009 data
58,750 (95.26%) out of the total population of 61,672 reported first ancestry.
| Greenwich School District | % of the Total Population | Connecticut | U.S. | |
| Arab | 463 | 0.75%, see rank | 0.51% | 0.50% |
| Czech | 309 | 0.50%, see rank | 0.45% | 0.54% |
| Danish | 327 | 0.53%, see rank | 0.38% | 0.49% |
| Dutch | 1,444 | 2.34%, see rank | 0.88% | 1.68% |
| English | 8,240 | 13.36%, see rank | 10.69% | 9.29% |
| French | 2,232 | 3.62%, see rank | 9.68% | 3.90% |
| German | 7,551 | 12.24%, see rank | 10.48% | 16.89% |
| Greek | 1,262 | 2.05%, see rank | 0.88% | 0.45% |
| Hungarian | 799 | 1.30%, see rank | 1.17% | 0.52% |
| Irish | 11,219 | 18.19%, see rank | 17.77% | 12.01% |
| Italian | 11,084 | 17.97%, see rank | 19.37% | 5.91% |
| Norwegian | 637 | 1.03%, see rank | 0.59% | 1.55% |
| Polish | 3,264 | 5.29%, see rank | 8.55% | 3.32% |
| Portuguese | 329 | 0.53%, see rank | 1.59% | 0.48% |
| Russian | 2,014 | 3.27%, see rank | 2.07% | 1.04% |
| Scotch-Irish | 1,444 | 2.34%, see rank | 1.43% | 1.77% |
| Scottish | 2,325 | 3.77%, see rank | 2.13% | 1.97% |
| Subsaharan African | 76 | 0.12%, see rank | 0.73% | 0.88% |
| Swedish | 1,000 | 1.62%, see rank | 1.96% | 1.45% |
| Swiss | 331 | 0.54%, see rank | 0.30% | 0.34% |
| Ukrainian | 100 | 0.16%, see rank | 0.66% | 0.32% |
| American | 2,687 | 4.36%, see rank | 2.70% | 6.43% |
| Welsh | 443 | 0.72%, 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.