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Chelmsford School District Historical First Ancestry Data
ACS 2010-2014 data
31,208 (90.47%) out of the total population of 34,495 reported first ancestry.
| Chelmsford School District | % of the Total Population | Massachusetts | U.S. | |
| Arab | 174 | 0.50%, see rank | 1.10% | 0.56% |
| Czech | 65 | 0.19%, see rank | 0.18% | 0.47% |
| Danish | 36 | 0.10%, see rank | 0.22% | 0.42% |
| Dutch | 369 | 1.07%, see rank | 0.65% | 1.40% |
| English | 5,466 | 15.85%, see rank | 10.33% | 8.02% |
| French | 4,613 | 13.37%, see rank | 11.20% | 3.34% |
| German | 2,361 | 6.84%, see rank | 6.24% | 15.03% |
| Greek | 1,015 | 2.94%, see rank | 1.24% | 0.41% |
| Hungarian | 58 | 0.17%, see rank | 0.30% | 0.46% |
| Irish | 10,266 | 29.76%, see rank | 22.17% | 10.80% |
| Italian | 5,450 | 15.80%, see rank | 13.57% | 5.52% |
| Norwegian | 395 | 1.15%, see rank | 0.53% | 1.42% |
| Polish | 1,420 | 4.12%, see rank | 4.80% | 3.01% |
| Portuguese | 1,229 | 3.56%, see rank | 4.63% | 0.44% |
| Russian | 550 | 1.59%, see rank | 1.76% | 0.92% |
| Scotch-Irish | 316 | 0.92%, see rank | 0.67% | 0.99% |
| Scottish | 954 | 2.77%, see rank | 2.34% | 1.72% |
| Subsaharan African | 62 | 0.18%, see rank | 1.86% | 0.95% |
| Swedish | 950 | 2.75%, see rank | 1.75% | 1.27% |
| Swiss | 101 | 0.29%, see rank | 0.17% | 0.30% |
| Ukrainian | 65 | 0.19%, see rank | 0.36% | 0.31% |
| American | 1,552 | 4.50%, see rank | 4.41% | 7.12% |
| Welsh | 245 | 0.71%, see rank | 0.34% | 0.57% |
ACS 2008-2012 data
31,236 (92.06%) out of the total population of 33,931 reported first ancestry.
| Chelmsford School District | % of the Total Population | Massachusetts | U.S. | |
| Arab | 326 | 0.96%, see rank | 1.02% | 0.53% |
| Czech | 133 | 0.39%, see rank | 0.20% | 0.50% |
| Danish | 165 | 0.49%, see rank | 0.24% | 0.45% |
| Dutch | 336 | 0.99%, see rank | 0.70% | 1.51% |
| English | 5,753 | 16.95%, see rank | 11.02% | 8.53% |
| French | 4,512 | 13.30%, see rank | 11.89% | 3.54% |
| German | 2,739 | 8.07%, see rank | 6.56% | 15.79% |
| Greek | 907 | 2.67%, see rank | 1.28% | 0.42% |
| Hungarian | 18 | 0.05%, see rank | 0.32% | 0.48% |
| Irish | 9,956 | 29.34%, see rank | 23.08% | 11.36% |
| Italian | 5,180 | 15.27%, see rank | 13.92% | 5.66% |
| Norwegian | 376 | 1.11%, see rank | 0.53% | 1.46% |
| Polish | 1,687 | 4.97%, see rank | 5.11% | 3.13% |
| Portuguese | 1,031 | 3.04%, see rank | 4.75% | 0.46% |
| Russian | 530 | 1.56%, see rank | 1.86% | 0.97% |
| Scotch-Irish | 296 | 0.87%, see rank | 0.71% | 1.07% |
| Scottish | 1,088 | 3.21%, see rank | 2.48% | 1.81% |
| Subsaharan African | 11 | 0.03%, see rank | 1.76% | 0.93% |
| Swedish | 620 | 1.83%, see rank | 1.85% | 1.34% |
| Swiss | 114 | 0.34%, see rank | 0.18% | 0.31% |
| Ukrainian | 68 | 0.20%, see rank | 0.38% | 0.31% |
| American | 1,264 | 3.73%, see rank | 3.91% | 6.72% |
| Welsh | 263 | 0.78%, see rank | 0.37% | 0.60% |
ACS 2006-2010 data
31,306 (93.82%) out of the total population of 33,368 reported first ancestry.
| Chelmsford School District | % of the Total Population | Massachusetts | U.S. | |
| Arab | 409 | 1.23%, see rank | 0.96% | 0.50% |
| Czech | 86 | 0.26%, see rank | 0.21% | 0.53% |
| Danish | 124 | 0.37%, see rank | 0.24% | 0.48% |
| Dutch | 163 | 0.49%, see rank | 0.73% | 1.63% |
| English | 6,112 | 18.32%, see rank | 11.54% | 9.02% |
| French | 5,062 | 15.17%, see rank | 12.54% | 3.77% |
| German | 2,507 | 7.51%, see rank | 6.75% | 16.51% |
| Greek | 765 | 2.29%, see rank | 1.32% | 0.44% |
| Hungarian | 47 | 0.14%, see rank | 0.32% | 0.51% |
| Irish | 10,488 | 31.43%, see rank | 23.41% | 11.76% |
| Italian | 5,276 | 15.81%, see rank | 13.93% | 5.78% |
| Norwegian | 227 | 0.68%, see rank | 0.52% | 1.51% |
| Polish | 1,574 | 4.72%, see rank | 5.23% | 3.24% |
| Portuguese | 1,154 | 3.46%, see rank | 4.81% | 0.47% |
| Russian | 394 | 1.18%, see rank | 1.86% | 1.01% |
| Scotch-Irish | 919 | 2.75%, see rank | 1.90% | 1.72% |
| Scottish | 1,324 | 3.97%, see rank | 2.66% | 1.92% |
| Subsaharan African | 12 | 0.04%, see rank | 1.67% | 0.91% |
| Swedish | 635 | 1.90%, see rank | 1.90% | 1.41% |
| Swiss | 78 | 0.23%, see rank | 0.19% | 0.33% |
| Ukrainian | 63 | 0.19%, see rank | 0.37% | 0.31% |
| American | 1,102 | 3.30%, see rank | 3.27% | 6.28% |
| Welsh | 256 | 0.77%, see rank | 0.41% | 0.63% |
ACS 2005-2009 data
31,804 (94.50%) out of the total population of 33,655 reported first ancestry.
| Chelmsford School District | % of the Total Population | Massachusetts | U.S. | |
| Arab | 460 | 1.37%, see rank | 0.97% | 0.50% |
| Czech | 81 | 0.24%, see rank | 0.22% | 0.54% |
| Danish | 113 | 0.34%, see rank | 0.26% | 0.49% |
| Dutch | 280 | 0.83%, see rank | 0.74% | 1.68% |
| English | 6,347 | 18.86%, see rank | 11.92% | 9.29% |
| French | 4,939 | 14.68%, see rank | 12.90% | 3.90% |
| German | 2,448 | 7.27%, see rank | 6.77% | 16.89% |
| Greek | 872 | 2.59%, see rank | 1.34% | 0.45% |
| Hungarian | 62 | 0.18%, see rank | 0.33% | 0.52% |
| Irish | 10,431 | 30.99%, see rank | 23.68% | 12.01% |
| Italian | 5,007 | 14.88%, see rank | 14.12% | 5.91% |
| Norwegian | 237 | 0.70%, see rank | 0.53% | 1.55% |
| Polish | 1,944 | 5.78%, see rank | 5.30% | 3.32% |
| Portuguese | 1,064 | 3.16%, see rank | 4.92% | 0.48% |
| Russian | 401 | 1.19%, see rank | 1.85% | 1.04% |
| Scotch-Irish | 907 | 2.69%, see rank | 1.95% | 1.77% |
| Scottish | 1,420 | 4.22%, see rank | 2.74% | 1.97% |
| Subsaharan African | 0 | 0.00%, see rank | 1.56% | 0.88% |
| Swedish | 637 | 1.89%, see rank | 1.96% | 1.45% |
| Swiss | 63 | 0.19%, see rank | 0.19% | 0.34% |
| Ukrainian | 75 | 0.22%, see rank | 0.37% | 0.32% |
| American | 982 | 2.92%, see rank | 3.42% | 6.43% |
| Welsh | 200 | 0.59%, see rank | 0.43% | 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.