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Hillsborough County Historical First Ancestry Data
ACS 2010-2014 data
357,324 (88.72%) out of the total population of 402,776 reported first ancestry.
| Hillsborough County | % of the Total Population | New Hampshire | U.S. | |
| Arab | 2,962 | 0.74%, see rank | 0.64% | 0.56% |
| Czech | 1,185 | 0.29%, see rank | 0.23% | 0.47% |
| Danish | 1,055 | 0.26%, see rank | 0.29% | 0.42% |
| Dutch | 3,514 | 0.87%, see rank | 1.01% | 1.40% |
| English | 55,543 | 13.79%, see rank | 17.08% | 8.02% |
| French | 101,275 | 25.14%, see rank | 23.83% | 3.34% |
| German | 32,761 | 8.13%, see rank | 8.79% | 15.03% |
| Greek | 8,367 | 2.08%, see rank | 1.45% | 0.41% |
| Hungarian | 1,128 | 0.28%, see rank | 0.31% | 0.46% |
| Irish | 85,464 | 21.22%, see rank | 21.21% | 10.80% |
| Italian | 40,629 | 10.09%, see rank | 10.46% | 5.52% |
| Norwegian | 2,895 | 0.72%, see rank | 0.86% | 1.42% |
| Polish | 19,062 | 4.73%, see rank | 4.36% | 3.01% |
| Portuguese | 6,557 | 1.63%, see rank | 1.35% | 0.44% |
| Russian | 3,475 | 0.86%, see rank | 0.86% | 0.92% |
| Scotch-Irish | 3,440 | 0.85%, see rank | 1.11% | 0.99% |
| Scottish | 13,366 | 3.32%, see rank | 4.25% | 1.72% |
| Subsaharan African | 2,753 | 0.68%, see rank | 0.43% | 0.95% |
| Swedish | 6,952 | 1.73%, see rank | 2.01% | 1.27% |
| Swiss | 837 | 0.21%, see rank | 0.25% | 0.30% |
| Ukrainian | 1,135 | 0.28%, see rank | 0.30% | 0.31% |
| American | 17,065 | 4.24%, see rank | 5.57% | 7.12% |
| Welsh | 2,187 | 0.54%, see rank | 0.66% | 0.57% |
ACS 2008-2012 data
363,495 (90.62%) out of the total population of 401,101 reported first ancestry.
| Hillsborough County | % of the Total Population | New Hampshire | U.S. | |
| Arab | 2,946 | 0.73%, see rank | 0.65% | 0.53% |
| Czech | 1,179 | 0.29%, see rank | 0.24% | 0.50% |
| Danish | 1,167 | 0.29%, see rank | 0.28% | 0.45% |
| Dutch | 3,649 | 0.91%, see rank | 0.98% | 1.51% |
| English | 57,366 | 14.30%, see rank | 17.89% | 8.53% |
| French | 105,324 | 26.26%, see rank | 24.70% | 3.54% |
| German | 33,428 | 8.33%, see rank | 8.98% | 15.79% |
| Greek | 8,761 | 2.18%, see rank | 1.53% | 0.42% |
| Hungarian | 1,158 | 0.29%, see rank | 0.30% | 0.48% |
| Irish | 88,175 | 21.98%, see rank | 21.81% | 11.36% |
| Italian | 40,466 | 10.09%, see rank | 10.27% | 5.66% |
| Norwegian | 2,794 | 0.70%, see rank | 0.87% | 1.46% |
| Polish | 19,695 | 4.91%, see rank | 4.56% | 3.13% |
| Portuguese | 6,493 | 1.62%, see rank | 1.38% | 0.46% |
| Russian | 4,028 | 1.00%, see rank | 0.92% | 0.97% |
| Scotch-Irish | 3,493 | 0.87%, see rank | 1.15% | 1.07% |
| Scottish | 13,790 | 3.44%, see rank | 4.49% | 1.81% |
| Subsaharan African | 2,578 | 0.64%, see rank | 0.35% | 0.93% |
| Swedish | 7,684 | 1.92%, see rank | 2.17% | 1.34% |
| Swiss | 697 | 0.17%, see rank | 0.23% | 0.31% |
| Ukrainian | 1,437 | 0.36%, see rank | 0.28% | 0.31% |
| American | 16,509 | 4.12%, see rank | 4.97% | 6.72% |
| Welsh | 1,992 | 0.50%, see rank | 0.67% | 0.60% |
ACS 2006-2010 data
369,029 (92.36%) out of the total population of 399,555 reported first ancestry.
| Hillsborough County | % of the Total Population | New Hampshire | U.S. | |
| Arab | 2,497 | 0.62%, see rank | 0.56% | 0.50% |
| Czech | 1,231 | 0.31%, see rank | 0.25% | 0.53% |
| Danish | 984 | 0.25%, see rank | 0.29% | 0.48% |
| Dutch | 3,687 | 0.92%, see rank | 0.96% | 1.63% |
| English | 59,960 | 15.01%, see rank | 18.81% | 9.02% |
| French | 109,583 | 27.43%, see rank | 25.19% | 3.77% |
| German | 35,764 | 8.95%, see rank | 9.52% | 16.51% |
| Greek | 9,641 | 2.41%, see rank | 1.60% | 0.44% |
| Hungarian | 1,277 | 0.32%, see rank | 0.31% | 0.51% |
| Irish | 91,187 | 22.82%, see rank | 22.29% | 11.76% |
| Italian | 41,365 | 10.35%, see rank | 10.45% | 5.78% |
| Norwegian | 2,641 | 0.66%, see rank | 0.91% | 1.51% |
| Polish | 19,596 | 4.90%, see rank | 4.42% | 3.24% |
| Portuguese | 6,925 | 1.73%, see rank | 1.41% | 0.47% |
| Russian | 4,110 | 1.03%, see rank | 1.01% | 1.01% |
| Scotch-Irish | 9,403 | 2.35%, see rank | 2.61% | 1.72% |
| Scottish | 16,131 | 4.04%, see rank | 4.80% | 1.92% |
| Subsaharan African | 2,535 | 0.63%, see rank | 0.37% | 0.91% |
| Swedish | 7,193 | 1.80%, see rank | 2.03% | 1.41% |
| Swiss | 815 | 0.20%, see rank | 0.22% | 0.33% |
| Ukrainian | 1,290 | 0.32%, see rank | 0.29% | 0.31% |
| American | 14,197 | 3.55%, see rank | 4.33% | 6.28% |
| Welsh | 1,882 | 0.47%, see rank | 0.66% | 0.63% |
ACS 2005-2009 data
373,224 (92.71%) out of the total population of 402,576 reported first ancestry.
| Hillsborough County | % of the Total Population | New Hampshire | U.S. | |
| Arab | 2,381 | 0.59%, see rank | 0.54% | 0.50% |
| Czech | 1,294 | 0.32%, see rank | 0.27% | 0.54% |
| Danish | 966 | 0.24%, see rank | 0.33% | 0.49% |
| Dutch | 3,649 | 0.91%, see rank | 0.99% | 1.68% |
| English | 61,570 | 15.29%, see rank | 19.37% | 9.29% |
| French | 112,581 | 27.97%, see rank | 25.69% | 3.90% |
| German | 36,435 | 9.05%, see rank | 9.68% | 16.89% |
| Greek | 9,184 | 2.28%, see rank | 1.56% | 0.45% |
| Hungarian | 1,573 | 0.39%, see rank | 0.34% | 0.52% |
| Irish | 91,464 | 22.72%, see rank | 22.44% | 12.01% |
| Italian | 41,495 | 10.31%, see rank | 10.36% | 5.91% |
| Norwegian | 2,730 | 0.68%, see rank | 0.90% | 1.55% |
| Polish | 19,682 | 4.89%, see rank | 4.51% | 3.32% |
| Portuguese | 6,391 | 1.59%, see rank | 1.42% | 0.48% |
| Russian | 4,183 | 1.04%, see rank | 1.00% | 1.04% |
| Scotch-Irish | 9,683 | 2.41%, see rank | 2.71% | 1.77% |
| Scottish | 16,323 | 4.05%, see rank | 4.94% | 1.97% |
| Subsaharan African | 3,193 | 0.79%, see rank | 0.39% | 0.88% |
| Swedish | 7,515 | 1.87%, see rank | 2.09% | 1.45% |
| Swiss | 671 | 0.17%, see rank | 0.21% | 0.34% |
| Ukrainian | 1,440 | 0.36%, see rank | 0.30% | 0.32% |
| American | 14,343 | 3.56%, see rank | 4.23% | 6.43% |
| Welsh | 1,878 | 0.47%, see rank | 0.67% | 0.65% |
US Census 2000 data
326,163 (85.64%) out of the total population of 380,841 reported first ancestry.
| Hillsborough County | % of the Total Population | New Hampshire | U.S. | |
| Arab | 1,520 | 0.40%, see rank | 0.40% | 0.36% |
| Czech | 309 | 0.08%, see rank | 0.09% | 0.27% |
| Danish | 490 | 0.13%, see rank | 0.17% | 0.30% |
| Dutch | 1,723 | 0.45%, see rank | 0.53% | 0.91% |
| English | 32,915 | 8.64%, see rank | 11.99% | 5.91% |
| French | 85,643 | 22.49%, see rank | 19.52% | 2.39% |
| German | 18,601 | 4.88%, see rank | 5.07% | 10.81% |
| Greek | 5,537 | 1.45%, see rank | 1.00% | 0.34% |
| Hungarian | 822 | 0.22%, see rank | 0.19% | 0.32% |
| Irish | 50,211 | 13.18%, see rank | 12.63% | 6.85% |
| Italian | 24,340 | 6.39%, see rank | 6.49% | 4.59% |
| Norwegian | 1,867 | 0.49%, see rank | 0.54% | 1.15% |
| Polish | 11,754 | 3.09%, see rank | 2.69% | 2.24% |
| Portuguese | 3,646 | 0.96%, see rank | 0.73% | 0.33% |
| Russian | 2,446 | 0.64%, see rank | 0.59% | 0.68% |
| Scotch-Irish | 5,469 | 1.44%, see rank | 1.59% | 1.17% |
| Scottish | 7,851 | 2.06%, see rank | 2.67% | 1.12% |
| Subsaharan African | 1,175 | 0.31%, see rank | 0.15% | 0.61% |
| Swedish | 4,048 | 1.06%, see rank | 1.22% | 0.87% |
| Swiss | 400 | 0.11%, see rank | 0.12% | 0.19% |
| Ukrainian | 924 | 0.24%, see rank | 0.19% | 0.24% |
| American | 19,445 | 5.11%, see rank | 5.96% | 7.33% |
| Welsh | 960 | 0.25%, see rank | 0.33% | 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.