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Rochester, NH Historical First Ancestry Data
ACS 2010-2014 data
24,951 (83.50%) out of the total population of 29,883 reported first ancestry.
| Rochester, NH | % of the Total Population | New Hampshire | U.S. | |
| Arab | 53 | 0.18%, see rank | 0.64% | 0.56% |
| Czech | 20 | 0.07%, see rank | 0.23% | 0.47% |
| Danish | 80 | 0.27%, see rank | 0.29% | 0.42% |
| Dutch | 288 | 0.96%, see rank | 1.01% | 1.40% |
| English | 5,027 | 16.82%, see rank | 17.08% | 8.02% |
| French | 8,271 | 27.68%, see rank | 23.83% | 3.34% |
| German | 2,118 | 7.09%, see rank | 8.79% | 15.03% |
| Greek | 562 | 1.88%, see rank | 1.45% | 0.41% |
| Hungarian | 213 | 0.71%, see rank | 0.31% | 0.46% |
| Irish | 5,863 | 19.62%, see rank | 21.21% | 10.80% |
| Italian | 2,452 | 8.21%, see rank | 10.46% | 5.52% |
| Norwegian | 204 | 0.68%, see rank | 0.86% | 1.42% |
| Polish | 761 | 2.55%, see rank | 4.36% | 3.01% |
| Portuguese | 257 | 0.86%, see rank | 1.35% | 0.44% |
| Russian | 193 | 0.65%, see rank | 0.86% | 0.92% |
| Scotch-Irish | 392 | 1.31%, see rank | 1.11% | 0.99% |
| Scottish | 1,307 | 4.37%, see rank | 4.25% | 1.72% |
| Subsaharan African | 70 | 0.23%, see rank | 0.43% | 0.95% |
| Swedish | 613 | 2.05%, see rank | 2.01% | 1.27% |
| Swiss | 9 | 0.03%, see rank | 0.25% | 0.30% |
| Ukrainian | 132 | 0.44%, see rank | 0.30% | 0.31% |
| American | 2,541 | 8.50%, see rank | 5.57% | 7.12% |
| Welsh | 118 | 0.39%, see rank | 0.66% | 0.57% |
ACS 2008-2012 data
24,794 (83.12%) out of the total population of 29,830 reported first ancestry.
| Rochester, NH | % of the Total Population | New Hampshire | U.S. | |
| Arab | 84 | 0.28%, see rank | 0.65% | 0.53% |
| Czech | 23 | 0.08%, see rank | 0.24% | 0.50% |
| Danish | 67 | 0.22%, see rank | 0.28% | 0.45% |
| Dutch | 339 | 1.14%, see rank | 0.98% | 1.51% |
| English | 4,787 | 16.05%, see rank | 17.89% | 8.53% |
| French | 8,201 | 27.49%, see rank | 24.70% | 3.54% |
| German | 2,271 | 7.61%, see rank | 8.98% | 15.79% |
| Greek | 645 | 2.16%, see rank | 1.53% | 0.42% |
| Hungarian | 174 | 0.58%, see rank | 0.30% | 0.48% |
| Irish | 5,779 | 19.37%, see rank | 21.81% | 11.36% |
| Italian | 2,021 | 6.78%, see rank | 10.27% | 5.66% |
| Norwegian | 233 | 0.78%, see rank | 0.87% | 1.46% |
| Polish | 521 | 1.75%, see rank | 4.56% | 3.13% |
| Portuguese | 224 | 0.75%, see rank | 1.38% | 0.46% |
| Russian | 174 | 0.58%, see rank | 0.92% | 0.97% |
| Scotch-Irish | 341 | 1.14%, see rank | 1.15% | 1.07% |
| Scottish | 1,428 | 4.79%, see rank | 4.49% | 1.81% |
| Subsaharan African | 39 | 0.13%, see rank | 0.35% | 0.93% |
| Swedish | 566 | 1.90%, see rank | 2.17% | 1.34% |
| Swiss | 0 | 0.00%, see rank | 0.23% | 0.31% |
| Ukrainian | 50 | 0.17%, see rank | 0.28% | 0.31% |
| American | 1,993 | 6.68%, see rank | 4.97% | 6.72% |
| Welsh | 148 | 0.50%, see rank | 0.67% | 0.60% |
ACS 2006-2010 data
25,684 (86.19%) out of the total population of 29,801 reported first ancestry.
| Rochester, NH | % of the Total Population | New Hampshire | U.S. | |
| Arab | 77 | 0.26%, see rank | 0.56% | 0.50% |
| Czech | 37 | 0.12%, see rank | 0.25% | 0.53% |
| Danish | 73 | 0.24%, see rank | 0.29% | 0.48% |
| Dutch | 390 | 1.31%, see rank | 0.96% | 1.63% |
| English | 5,106 | 17.13%, see rank | 18.81% | 9.02% |
| French | 8,208 | 27.54%, see rank | 25.19% | 3.77% |
| German | 2,387 | 8.01%, see rank | 9.52% | 16.51% |
| Greek | 573 | 1.92%, see rank | 1.60% | 0.44% |
| Hungarian | 108 | 0.36%, see rank | 0.31% | 0.51% |
| Irish | 5,178 | 17.38%, see rank | 22.29% | 11.76% |
| Italian | 1,866 | 6.26%, see rank | 10.45% | 5.78% |
| Norwegian | 266 | 0.89%, see rank | 0.91% | 1.51% |
| Polish | 746 | 2.50%, see rank | 4.42% | 3.24% |
| Portuguese | 251 | 0.84%, see rank | 1.41% | 0.47% |
| Russian | 215 | 0.72%, see rank | 1.01% | 1.01% |
| Scotch-Irish | 686 | 2.30%, see rank | 2.61% | 1.72% |
| Scottish | 1,641 | 5.51%, see rank | 4.80% | 1.92% |
| Subsaharan African | 0 | 0.00%, see rank | 0.37% | 0.91% |
| Swedish | 403 | 1.35%, see rank | 2.03% | 1.41% |
| Swiss | 0 | 0.00%, see rank | 0.22% | 0.33% |
| Ukrainian | 43 | 0.14%, see rank | 0.29% | 0.31% |
| American | 1,935 | 6.49%, see rank | 4.33% | 6.28% |
| Welsh | 139 | 0.47%, see rank | 0.66% | 0.63% |
ACS 2005-2009 data
27,058 (88.52%) out of the total population of 30,568 reported first ancestry.
| Rochester, NH | % of the Total Population | New Hampshire | U.S. | |
| Arab | 80 | 0.26%, see rank | 0.54% | 0.50% |
| Czech | 20 | 0.07%, see rank | 0.27% | 0.54% |
| Danish | 67 | 0.22%, see rank | 0.33% | 0.49% |
| Dutch | 211 | 0.69%, see rank | 0.99% | 1.68% |
| English | 5,529 | 18.09%, see rank | 19.37% | 9.29% |
| French | 9,002 | 29.45%, see rank | 25.69% | 3.90% |
| German | 2,428 | 7.94%, see rank | 9.68% | 16.89% |
| Greek | 454 | 1.49%, see rank | 1.56% | 0.45% |
| Hungarian | 47 | 0.15%, see rank | 0.34% | 0.52% |
| Irish | 5,604 | 18.33%, see rank | 22.44% | 12.01% |
| Italian | 1,997 | 6.53%, see rank | 10.36% | 5.91% |
| Norwegian | 313 | 1.02%, see rank | 0.90% | 1.55% |
| Polish | 830 | 2.72%, see rank | 4.51% | 3.32% |
| Portuguese | 327 | 1.07%, see rank | 1.42% | 0.48% |
| Russian | 194 | 0.63%, see rank | 1.00% | 1.04% |
| Scotch-Irish | 727 | 2.38%, see rank | 2.71% | 1.77% |
| Scottish | 1,992 | 6.52%, see rank | 4.94% | 1.97% |
| Subsaharan African | 0 | 0.00%, see rank | 0.39% | 0.88% |
| Swedish | 348 | 1.14%, see rank | 2.09% | 1.45% |
| Swiss | 10 | 0.03%, see rank | 0.21% | 0.34% |
| Ukrainian | 31 | 0.10%, see rank | 0.30% | 0.32% |
| American | 1,906 | 6.24%, see rank | 4.23% | 6.43% |
| Welsh | 97 | 0.32%, see rank | 0.67% | 0.65% |
US Census 2000 data
23,435 (82.34%) out of the total population of 28,461 reported first ancestry.
| Rochester, NH | % of the Total Population | New Hampshire | U.S. | |
| Arab | 42 | 0.15%, see rank | 0.40% | 0.36% |
| Czech | 31 | 0.11%, see rank | 0.09% | 0.27% |
| Danish | 38 | 0.13%, see rank | 0.17% | 0.30% |
| Dutch | 153 | 0.54%, see rank | 0.53% | 0.91% |
| English | 4,132 | 14.52%, see rank | 11.99% | 5.91% |
| French | 7,026 | 24.69%, see rank | 19.52% | 2.39% |
| German | 1,086 | 3.82%, see rank | 5.07% | 10.81% |
| Greek | 285 | 1.00%, see rank | 1.00% | 0.34% |
| Hungarian | 33 | 0.12%, see rank | 0.19% | 0.32% |
| Irish | 3,446 | 12.11%, see rank | 12.63% | 6.85% |
| Italian | 1,198 | 4.21%, see rank | 6.49% | 4.59% |
| Norwegian | 146 | 0.51%, see rank | 0.54% | 1.15% |
| Polish | 479 | 1.68%, see rank | 2.69% | 2.24% |
| Portuguese | 170 | 0.60%, see rank | 0.73% | 0.33% |
| Russian | 70 | 0.25%, see rank | 0.59% | 0.68% |
| Scotch-Irish | 429 | 1.51%, see rank | 1.59% | 1.17% |
| Scottish | 718 | 2.52%, see rank | 2.67% | 1.12% |
| Subsaharan African | 0 | 0.00%, see rank | 0.15% | 0.61% |
| Swedish | 162 | 0.57%, see rank | 1.22% | 0.87% |
| Swiss | 21 | 0.07%, see rank | 0.12% | 0.19% |
| Ukrainian | 11 | 0.04%, see rank | 0.19% | 0.24% |
| American | 1,866 | 6.56%, see rank | 5.96% | 7.33% |
| Welsh | 111 | 0.39%, 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.