Snohomish County Historical First Ancestry Data
ACS 2010-2014 data
640,893 (87.15%) out of the total population of 735,351 reported first ancestry.
| Snohomish County | % of the Total Population | Washington | U.S. | |
| Arab | 4,387 | 0.60%, see rank | 0.38% | 0.56% |
| Czech | 2,674 | 0.36%, see rank | 0.43% | 0.47% |
| Danish | 8,438 | 1.15%, see rank | 0.99% | 0.42% |
| Dutch | 16,172 | 2.20%, see rank | 2.13% | 1.40% |
| English | 80,716 | 10.98%, see rank | 10.73% | 8.02% |
| French | 30,501 | 4.15%, see rank | 4.06% | 3.34% |
| German | 136,742 | 18.60%, see rank | 18.48% | 15.03% |
| Greek | 2,869 | 0.39%, see rank | 0.35% | 0.41% |
| Hungarian | 2,436 | 0.33%, see rank | 0.33% | 0.46% |
| Irish | 82,469 | 11.21%, see rank | 11.22% | 10.80% |
| Italian | 26,295 | 3.58%, see rank | 3.55% | 5.52% |
| Norwegian | 55,248 | 7.51%, see rank | 5.49% | 1.42% |
| Polish | 13,520 | 1.84%, see rank | 1.84% | 3.01% |
| Portuguese | 2,248 | 0.31%, see rank | 0.34% | 0.44% |
| Russian | 8,815 | 1.20%, see rank | 1.30% | 0.92% |
| Scotch-Irish | 8,663 | 1.18%, see rank | 1.26% | 0.99% |
| Scottish | 22,622 | 3.08%, see rank | 2.90% | 1.72% |
| Subsaharan African | 7,709 | 1.05%, see rank | 1.02% | 0.95% |
| Swedish | 28,690 | 3.90%, see rank | 3.33% | 1.27% |
| Swiss | 3,481 | 0.47%, see rank | 0.53% | 0.30% |
| Ukrainian | 8,867 | 1.21%, see rank | 0.81% | 0.31% |
| American | 34,763 | 4.73%, see rank | 4.99% | 7.12% |
| Welsh | 7,699 | 1.05%, see rank | 0.99% | 0.57% |
ACS 2008-2012 data
636,463 (89.09%) out of the total population of 714,443 reported first ancestry.
| Snohomish County | % of the Total Population | Washington | U.S. | |
| Arab | 3,553 | 0.50%, see rank | 0.32% | 0.53% |
| Czech | 2,491 | 0.35%, see rank | 0.45% | 0.50% |
| Danish | 9,199 | 1.29%, see rank | 1.05% | 0.45% |
| Dutch | 17,472 | 2.45%, see rank | 2.30% | 1.51% |
| English | 81,489 | 11.41%, see rank | 11.38% | 8.53% |
| French | 31,363 | 4.39%, see rank | 4.39% | 3.54% |
| German | 138,740 | 19.42%, see rank | 19.45% | 15.79% |
| Greek | 2,968 | 0.42%, see rank | 0.36% | 0.42% |
| Hungarian | 2,907 | 0.41%, see rank | 0.35% | 0.48% |
| Irish | 84,599 | 11.84%, see rank | 11.90% | 11.36% |
| Italian | 24,364 | 3.41%, see rank | 3.60% | 5.66% |
| Norwegian | 56,005 | 7.84%, see rank | 5.75% | 1.46% |
| Polish | 13,133 | 1.84%, see rank | 1.88% | 3.13% |
| Portuguese | 1,935 | 0.27%, see rank | 0.35% | 0.46% |
| Russian | 8,949 | 1.25%, see rank | 1.31% | 0.97% |
| Scotch-Irish | 10,192 | 1.43%, see rank | 1.40% | 1.07% |
| Scottish | 22,830 | 3.20%, see rank | 3.08% | 1.81% |
| Subsaharan African | 5,514 | 0.77%, see rank | 0.91% | 0.93% |
| Swedish | 30,501 | 4.27%, see rank | 3.54% | 1.34% |
| Swiss | 3,832 | 0.54%, see rank | 0.56% | 0.31% |
| Ukrainian | 8,684 | 1.22%, see rank | 0.78% | 0.31% |
| American | 30,595 | 4.28%, see rank | 4.63% | 6.72% |
| Welsh | 7,920 | 1.11%, see rank | 1.06% | 0.60% |
ACS 2006-2010 data
623,581 (89.82%) out of the total population of 694,219 reported first ancestry.
| Snohomish County | % of the Total Population | Washington | U.S. | |
| Arab | 3,498 | 0.50%, see rank | 0.30% | 0.50% |
| Czech | 3,035 | 0.44%, see rank | 0.48% | 0.53% |
| Danish | 9,919 | 1.43%, see rank | 1.15% | 0.48% |
| Dutch | 18,530 | 2.67%, see rank | 2.47% | 1.63% |
| English | 84,945 | 12.24%, see rank | 12.11% | 9.02% |
| French | 31,959 | 4.60%, see rank | 4.63% | 3.77% |
| German | 141,584 | 20.39%, see rank | 20.35% | 16.51% |
| Greek | 3,308 | 0.48%, see rank | 0.39% | 0.44% |
| Hungarian | 2,446 | 0.35%, see rank | 0.36% | 0.51% |
| Irish | 87,159 | 12.55%, see rank | 12.30% | 11.76% |
| Italian | 24,142 | 3.48%, see rank | 3.63% | 5.78% |
| Norwegian | 57,227 | 8.24%, see rank | 6.04% | 1.51% |
| Polish | 12,456 | 1.79%, see rank | 1.91% | 3.24% |
| Portuguese | 2,031 | 0.29%, see rank | 0.34% | 0.47% |
| Russian | 8,709 | 1.25%, see rank | 1.31% | 1.01% |
| Scotch-Irish | 18,607 | 2.68%, see rank | 2.47% | 1.72% |
| Scottish | 23,155 | 3.34%, see rank | 3.24% | 1.92% |
| Subsaharan African | 5,899 | 0.85%, see rank | 0.85% | 0.91% |
| Swedish | 31,161 | 4.49%, see rank | 3.73% | 1.41% |
| Swiss | 3,761 | 0.54%, see rank | 0.57% | 0.33% |
| Ukrainian | 7,218 | 1.04%, see rank | 0.72% | 0.31% |
| American | 25,066 | 3.61%, see rank | 4.09% | 6.28% |
| Welsh | 7,499 | 1.08%, see rank | 1.08% | 0.63% |
ACS 2005-2009 data
607,147 (90.12%) out of the total population of 673,709 reported first ancestry.
| Snohomish County | % of the Total Population | Washington | U.S. | |
| Arab | 3,604 | 0.53%, see rank | 0.29% | 0.50% |
| Czech | 3,195 | 0.47%, see rank | 0.50% | 0.54% |
| Danish | 9,529 | 1.41%, see rank | 1.17% | 0.49% |
| Dutch | 19,178 | 2.85%, see rank | 2.53% | 1.68% |
| English | 85,664 | 12.72%, see rank | 12.62% | 9.29% |
| French | 31,927 | 4.74%, see rank | 4.77% | 3.90% |
| German | 141,983 | 21.07%, see rank | 20.94% | 16.89% |
| Greek | 3,233 | 0.48%, see rank | 0.41% | 0.45% |
| Hungarian | 2,516 | 0.37%, see rank | 0.37% | 0.52% |
| Irish | 87,872 | 13.04%, see rank | 12.63% | 12.01% |
| Italian | 23,967 | 3.56%, see rank | 3.63% | 5.91% |
| Norwegian | 58,682 | 8.71%, see rank | 6.31% | 1.55% |
| Polish | 13,135 | 1.95%, see rank | 1.92% | 3.32% |
| Portuguese | 2,040 | 0.30%, see rank | 0.34% | 0.48% |
| Russian | 8,519 | 1.26%, see rank | 1.33% | 1.04% |
| Scotch-Irish | 18,195 | 2.70%, see rank | 2.54% | 1.77% |
| Scottish | 23,547 | 3.50%, see rank | 3.34% | 1.97% |
| Subsaharan African | 5,625 | 0.83%, see rank | 0.82% | 0.88% |
| Swedish | 32,389 | 4.81%, see rank | 3.89% | 1.45% |
| Swiss | 3,732 | 0.55%, see rank | 0.58% | 0.34% |
| Ukrainian | 7,270 | 1.08%, see rank | 0.72% | 0.32% |
| American | 27,111 | 4.02%, see rank | 4.13% | 6.43% |
| Welsh | 8,303 | 1.23%, see rank | 1.13% | 0.65% |
US Census 2000 data
489,252 (80.73%) out of the total population of 606,024 reported first ancestry.
| Snohomish County | % of the Total Population | Washington | U.S. | |
| Arab | 1,723 | 0.28%, see rank | 0.20% | 0.36% |
| Czech | 1,555 | 0.26%, see rank | 0.25% | 0.27% |
| Danish | 5,044 | 0.83%, see rank | 0.75% | 0.30% |
| Dutch | 10,188 | 1.68%, see rank | 1.42% | 0.91% |
| English | 49,144 | 8.11%, see rank | 7.61% | 5.91% |
| French | 16,215 | 2.68%, see rank | 2.69% | 2.39% |
| German | 79,473 | 13.11%, see rank | 12.79% | 10.81% |
| Greek | 1,916 | 0.32%, see rank | 0.26% | 0.34% |
| Hungarian | 1,292 | 0.21%, see rank | 0.20% | 0.32% |
| Irish | 42,891 | 7.08%, see rank | 6.86% | 6.85% |
| Italian | 15,941 | 2.63%, see rank | 2.51% | 4.59% |
| Norwegian | 41,280 | 6.81%, see rank | 4.74% | 1.15% |
| Polish | 6,995 | 1.15%, see rank | 1.14% | 2.24% |
| Portuguese | 1,226 | 0.20%, see rank | 0.20% | 0.33% |
| Russian | 4,754 | 0.78%, see rank | 0.75% | 0.68% |
| Scotch-Irish | 9,022 | 1.49%, see rank | 1.54% | 1.17% |
| Scottish | 12,045 | 1.99%, see rank | 1.90% | 1.12% |
| Subsaharan African | 1,944 | 0.32%, see rank | 0.46% | 0.61% |
| Swedish | 17,175 | 2.83%, see rank | 2.30% | 0.87% |
| Swiss | 1,556 | 0.26%, see rank | 0.34% | 0.19% |
| Ukrainian | 3,356 | 0.55%, see rank | 0.44% | 0.24% |
| American | 32,500 | 5.36%, see rank | 5.36% | 7.33% |
| Welsh | 3,183 | 0.53%, see rank | 0.51% | 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.