Sangamon County Historical First Ancestry Data
ACS 2010-2014 data
162,871 (81.92%) out of the total population of 198,808 reported first ancestry.
| Sangamon County | % of the Total Population | Illinois | U.S. | |
| Arab | 897 | 0.45%, see rank | 0.71% | 0.56% |
| Czech | 663 | 0.33%, see rank | 0.92% | 0.47% |
| Danish | 594 | 0.30%, see rank | 0.38% | 0.42% |
| Dutch | 2,907 | 1.46%, see rank | 1.37% | 1.40% |
| English | 22,353 | 11.24%, see rank | 5.90% | 8.02% |
| French | 5,263 | 2.65%, see rank | 2.13% | 3.34% |
| German | 50,913 | 25.61%, see rank | 19.07% | 15.03% |
| Greek | 415 | 0.21%, see rank | 0.76% | 0.41% |
| Hungarian | 913 | 0.46%, see rank | 0.40% | 0.46% |
| Irish | 27,525 | 13.85%, see rank | 12.00% | 10.80% |
| Italian | 11,568 | 5.82%, see rank | 6.14% | 5.52% |
| Norwegian | 1,732 | 0.87%, see rank | 1.25% | 1.42% |
| Polish | 4,083 | 2.05%, see rank | 7.22% | 3.01% |
| Portuguese | 688 | 0.35%, see rank | 0.08% | 0.44% |
| Russian | 639 | 0.32%, see rank | 0.97% | 0.92% |
| Scotch-Irish | 2,580 | 1.30%, see rank | 0.59% | 0.99% |
| Scottish | 3,448 | 1.73%, see rank | 1.16% | 1.72% |
| Subsaharan African | 1,328 | 0.67%, see rank | 0.64% | 0.95% |
| Swedish | 2,346 | 1.18%, see rank | 2.13% | 1.27% |
| Swiss | 546 | 0.27%, see rank | 0.27% | 0.30% |
| Ukrainian | 331 | 0.17%, see rank | 0.40% | 0.31% |
| American | 14,939 | 7.51%, see rank | 5.00% | 7.12% |
| Welsh | 1,348 | 0.68%, see rank | 0.37% | 0.57% |
ACS 2008-2012 data
163,513 (82.80%) out of the total population of 197,474 reported first ancestry.
| Sangamon County | % of the Total Population | Illinois | U.S. | |
| Arab | 633 | 0.32%, see rank | 0.64% | 0.53% |
| Czech | 899 | 0.46%, see rank | 0.96% | 0.50% |
| Danish | 485 | 0.25%, see rank | 0.40% | 0.45% |
| Dutch | 3,193 | 1.62%, see rank | 1.46% | 1.51% |
| English | 21,984 | 11.13%, see rank | 6.23% | 8.53% |
| French | 5,913 | 2.99%, see rank | 2.26% | 3.54% |
| German | 53,728 | 27.21%, see rank | 19.89% | 15.79% |
| Greek | 506 | 0.26%, see rank | 0.78% | 0.42% |
| Hungarian | 807 | 0.41%, see rank | 0.41% | 0.48% |
| Irish | 27,703 | 14.03%, see rank | 12.52% | 11.36% |
| Italian | 12,168 | 6.16%, see rank | 6.29% | 5.66% |
| Norwegian | 1,800 | 0.91%, see rank | 1.30% | 1.46% |
| Polish | 4,336 | 2.20%, see rank | 7.47% | 3.13% |
| Portuguese | 604 | 0.31%, see rank | 0.08% | 0.46% |
| Russian | 574 | 0.29%, see rank | 1.03% | 0.97% |
| Scotch-Irish | 2,751 | 1.39%, see rank | 0.65% | 1.07% |
| Scottish | 3,440 | 1.74%, see rank | 1.20% | 1.81% |
| Subsaharan African | 1,355 | 0.69%, see rank | 0.62% | 0.93% |
| Swedish | 2,286 | 1.16%, see rank | 2.24% | 1.34% |
| Swiss | 499 | 0.25%, see rank | 0.29% | 0.31% |
| Ukrainian | 263 | 0.13%, see rank | 0.40% | 0.31% |
| American | 16,207 | 8.21%, see rank | 4.85% | 6.72% |
| Welsh | 1,619 | 0.82%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
166,084 (85.05%) out of the total population of 195,288 reported first ancestry.
| Sangamon County | % of the Total Population | Illinois | U.S. | |
| Arab | 555 | 0.28%, see rank | 0.55% | 0.50% |
| Czech | 830 | 0.43%, see rank | 1.01% | 0.53% |
| Danish | 520 | 0.27%, see rank | 0.42% | 0.48% |
| Dutch | 3,475 | 1.78%, see rank | 1.58% | 1.63% |
| English | 23,715 | 12.14%, see rank | 6.56% | 9.02% |
| French | 6,604 | 3.38%, see rank | 2.43% | 3.77% |
| German | 57,549 | 29.47%, see rank | 20.72% | 16.51% |
| Greek | 584 | 0.30%, see rank | 0.83% | 0.44% |
| Hungarian | 767 | 0.39%, see rank | 0.43% | 0.51% |
| Irish | 28,917 | 14.81%, see rank | 12.94% | 11.76% |
| Italian | 12,303 | 6.30%, see rank | 6.35% | 5.78% |
| Norwegian | 1,465 | 0.75%, see rank | 1.36% | 1.51% |
| Polish | 4,350 | 2.23%, see rank | 7.69% | 3.24% |
| Portuguese | 618 | 0.32%, see rank | 0.08% | 0.47% |
| Russian | 678 | 0.35%, see rank | 1.07% | 1.01% |
| Scotch-Irish | 4,110 | 2.10%, see rank | 1.12% | 1.72% |
| Scottish | 3,893 | 1.99%, see rank | 1.26% | 1.92% |
| Subsaharan African | 920 | 0.47%, see rank | 0.63% | 0.91% |
| Swedish | 2,407 | 1.23%, see rank | 2.37% | 1.41% |
| Swiss | 589 | 0.30%, see rank | 0.33% | 0.33% |
| Ukrainian | 280 | 0.14%, see rank | 0.40% | 0.31% |
| American | 18,588 | 9.52%, see rank | 4.61% | 6.28% |
| Welsh | 1,561 | 0.80%, see rank | 0.41% | 0.63% |
ACS 2005-2009 data
167,811 (86.48%) out of the total population of 194,049 reported first ancestry.
| Sangamon County | % of the Total Population | Illinois | U.S. | |
| Arab | 451 | 0.23%, see rank | 0.52% | 0.50% |
| Czech | 927 | 0.48%, see rank | 1.02% | 0.54% |
| Danish | 522 | 0.27%, see rank | 0.44% | 0.49% |
| Dutch | 3,597 | 1.85%, see rank | 1.61% | 1.68% |
| English | 24,394 | 12.57%, see rank | 6.71% | 9.29% |
| French | 7,045 | 3.63%, see rank | 2.51% | 3.90% |
| German | 61,017 | 31.44%, see rank | 21.16% | 16.89% |
| Greek | 683 | 0.35%, see rank | 0.85% | 0.45% |
| Hungarian | 1,086 | 0.56%, see rank | 0.45% | 0.52% |
| Irish | 31,134 | 16.04%, see rank | 13.14% | 12.01% |
| Italian | 12,143 | 6.26%, see rank | 6.45% | 5.91% |
| Norwegian | 1,666 | 0.86%, see rank | 1.38% | 1.55% |
| Polish | 4,491 | 2.31%, see rank | 7.85% | 3.32% |
| Portuguese | 565 | 0.29%, see rank | 0.07% | 0.48% |
| Russian | 745 | 0.38%, see rank | 1.11% | 1.04% |
| Scotch-Irish | 4,451 | 2.29%, see rank | 1.15% | 1.77% |
| Scottish | 4,509 | 2.32%, see rank | 1.31% | 1.97% |
| Subsaharan African | 835 | 0.43%, see rank | 0.62% | 0.88% |
| Swedish | 2,696 | 1.39%, see rank | 2.46% | 1.45% |
| Swiss | 547 | 0.28%, see rank | 0.33% | 0.34% |
| Ukrainian | 317 | 0.16%, see rank | 0.40% | 0.32% |
| American | 17,474 | 9.00%, see rank | 4.55% | 6.43% |
| Welsh | 1,752 | 0.90%, see rank | 0.42% | 0.65% |
US Census 2000 data
140,771 (74.50%) out of the total population of 188,951 reported first ancestry.
| Sangamon County | % of the Total Population | Illinois | U.S. | |
| Arab | 280 | 0.15%, see rank | 0.38% | 0.36% |
| Czech | 351 | 0.19%, see rank | 0.57% | 0.27% |
| Danish | 391 | 0.21%, see rank | 0.26% | 0.30% |
| Dutch | 1,947 | 1.03%, see rank | 0.90% | 0.91% |
| English | 15,874 | 8.40%, see rank | 4.12% | 5.91% |
| French | 3,542 | 1.87%, see rank | 1.34% | 2.39% |
| German | 36,382 | 19.25%, see rank | 13.82% | 10.81% |
| Greek | 378 | 0.20%, see rank | 0.65% | 0.34% |
| Hungarian | 555 | 0.29%, see rank | 0.27% | 0.32% |
| Irish | 18,285 | 9.68%, see rank | 7.62% | 6.85% |
| Italian | 8,796 | 4.66%, see rank | 4.81% | 4.59% |
| Norwegian | 1,098 | 0.58%, see rank | 0.96% | 1.15% |
| Polish | 2,419 | 1.28%, see rank | 5.68% | 2.24% |
| Portuguese | 479 | 0.25%, see rank | 0.04% | 0.33% |
| Russian | 285 | 0.15%, see rank | 0.72% | 0.68% |
| Scotch-Irish | 2,578 | 1.36%, see rank | 0.73% | 1.17% |
| Scottish | 2,609 | 1.38%, see rank | 0.73% | 1.12% |
| Subsaharan African | 1,016 | 0.54%, see rank | 0.57% | 0.61% |
| Swedish | 1,728 | 0.91%, see rank | 1.52% | 0.87% |
| Swiss | 246 | 0.13%, see rank | 0.17% | 0.19% |
| Ukrainian | 126 | 0.07%, see rank | 0.30% | 0.24% |
| American | 13,906 | 7.36%, see rank | 4.58% | 7.33% |
| Welsh | 759 | 0.40%, see rank | 0.20% | 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.