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O'Fallon Township High School District 203 Historical First Ancestry Data
ACS 2010-2014 data
35,446 (87.59%) out of the total population of 40,469 reported first ancestry.
| O'Fallon Township High School District 203 | % of the Total Population | Illinois | U.S. | |
| Arab | 52 | 0.13%, see rank | 0.71% | 0.56% |
| Czech | 398 | 0.98%, see rank | 0.92% | 0.47% |
| Danish | 208 | 0.51%, see rank | 0.38% | 0.42% |
| Dutch | 795 | 1.96%, see rank | 1.37% | 1.40% |
| English | 4,813 | 11.89%, see rank | 5.90% | 8.02% |
| French | 1,748 | 4.32%, see rank | 2.13% | 3.34% |
| German | 11,878 | 29.35%, see rank | 19.07% | 15.03% |
| Greek | 314 | 0.78%, see rank | 0.76% | 0.41% |
| Hungarian | 121 | 0.30%, see rank | 0.40% | 0.46% |
| Irish | 5,725 | 14.15%, see rank | 12.00% | 10.80% |
| Italian | 1,374 | 3.40%, see rank | 6.14% | 5.52% |
| Norwegian | 439 | 1.08%, see rank | 1.25% | 1.42% |
| Polish | 2,095 | 5.18%, see rank | 7.22% | 3.01% |
| Portuguese | 83 | 0.21%, see rank | 0.08% | 0.44% |
| Russian | 70 | 0.17%, see rank | 0.97% | 0.92% |
| Scotch-Irish | 551 | 1.36%, see rank | 0.59% | 0.99% |
| Scottish | 780 | 1.93%, see rank | 1.16% | 1.72% |
| Subsaharan African | 179 | 0.44%, see rank | 0.64% | 0.95% |
| Swedish | 393 | 0.97%, see rank | 2.13% | 1.27% |
| Swiss | 153 | 0.38%, see rank | 0.27% | 0.30% |
| Ukrainian | 147 | 0.36%, see rank | 0.40% | 0.31% |
| American | 2,243 | 5.54%, see rank | 5.00% | 7.12% |
| Welsh | 231 | 0.57%, see rank | 0.37% | 0.57% |
ACS 2008-2012 data
35,205 (89.45%) out of the total population of 39,357 reported first ancestry.
| O'Fallon Township High School District 203 | % of the Total Population | Illinois | U.S. | |
| Arab | 43 | 0.11%, see rank | 0.64% | 0.53% |
| Czech | 282 | 0.72%, see rank | 0.96% | 0.50% |
| Danish | 231 | 0.59%, see rank | 0.40% | 0.45% |
| Dutch | 425 | 1.08%, see rank | 1.46% | 1.51% |
| English | 4,935 | 12.54%, see rank | 6.23% | 8.53% |
| French | 1,722 | 4.38%, see rank | 2.26% | 3.54% |
| German | 12,508 | 31.78%, see rank | 19.89% | 15.79% |
| Greek | 362 | 0.92%, see rank | 0.78% | 0.42% |
| Hungarian | 156 | 0.40%, see rank | 0.41% | 0.48% |
| Irish | 5,358 | 13.61%, see rank | 12.52% | 11.36% |
| Italian | 1,707 | 4.34%, see rank | 6.29% | 5.66% |
| Norwegian | 482 | 1.22%, see rank | 1.30% | 1.46% |
| Polish | 2,087 | 5.30%, see rank | 7.47% | 3.13% |
| Portuguese | 71 | 0.18%, see rank | 0.08% | 0.46% |
| Russian | 47 | 0.12%, see rank | 1.03% | 0.97% |
| Scotch-Irish | 458 | 1.16%, see rank | 0.65% | 1.07% |
| Scottish | 776 | 1.97%, see rank | 1.20% | 1.81% |
| Subsaharan African | 176 | 0.45%, see rank | 0.62% | 0.93% |
| Swedish | 272 | 0.69%, see rank | 2.24% | 1.34% |
| Swiss | 340 | 0.86%, see rank | 0.29% | 0.31% |
| Ukrainian | 177 | 0.45%, see rank | 0.40% | 0.31% |
| American | 1,952 | 4.96%, see rank | 4.85% | 6.72% |
| Welsh | 254 | 0.65%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
34,105 (90.07%) out of the total population of 37,866 reported first ancestry.
| O'Fallon Township High School District 203 | % of the Total Population | Illinois | U.S. | |
| Arab | 45 | 0.12%, see rank | 0.55% | 0.50% |
| Czech | 280 | 0.74%, see rank | 1.01% | 0.53% |
| Danish | 305 | 0.81%, see rank | 0.42% | 0.48% |
| Dutch | 701 | 1.85%, see rank | 1.58% | 1.63% |
| English | 4,436 | 11.71%, see rank | 6.56% | 9.02% |
| French | 1,856 | 4.90%, see rank | 2.43% | 3.77% |
| German | 12,101 | 31.96%, see rank | 20.72% | 16.51% |
| Greek | 506 | 1.34%, see rank | 0.83% | 0.44% |
| Hungarian | 247 | 0.65%, see rank | 0.43% | 0.51% |
| Irish | 4,857 | 12.83%, see rank | 12.94% | 11.76% |
| Italian | 2,117 | 5.59%, see rank | 6.35% | 5.78% |
| Norwegian | 611 | 1.61%, see rank | 1.36% | 1.51% |
| Polish | 1,630 | 4.30%, see rank | 7.69% | 3.24% |
| Portuguese | 68 | 0.18%, see rank | 0.08% | 0.47% |
| Russian | 225 | 0.59%, see rank | 1.07% | 1.01% |
| Scotch-Irish | 560 | 1.48%, see rank | 1.12% | 1.72% |
| Scottish | 676 | 1.79%, see rank | 1.26% | 1.92% |
| Subsaharan African | 126 | 0.33%, see rank | 0.63% | 0.91% |
| Swedish | 356 | 0.94%, see rank | 2.37% | 1.41% |
| Swiss | 351 | 0.93%, see rank | 0.33% | 0.33% |
| Ukrainian | 75 | 0.20%, see rank | 0.40% | 0.31% |
| American | 2,370 | 6.26%, see rank | 4.61% | 6.28% |
| Welsh | 206 | 0.54%, see rank | 0.41% | 0.63% |
ACS 2005-2009 data
33,136 (90.06%) out of the total population of 36,794 reported first ancestry.
| O'Fallon Township High School District 203 | % of the Total Population | Illinois | U.S. | |
| Arab | 87 | 0.24%, see rank | 0.52% | 0.50% |
| Czech | 178 | 0.48%, see rank | 1.02% | 0.54% |
| Danish | 245 | 0.67%, see rank | 0.44% | 0.49% |
| Dutch | 709 | 1.93%, see rank | 1.61% | 1.68% |
| English | 4,508 | 12.25%, see rank | 6.71% | 9.29% |
| French | 2,043 | 5.55%, see rank | 2.51% | 3.90% |
| German | 11,622 | 31.59%, see rank | 21.16% | 16.89% |
| Greek | 534 | 1.45%, see rank | 0.85% | 0.45% |
| Hungarian | 219 | 0.60%, see rank | 0.45% | 0.52% |
| Irish | 5,121 | 13.92%, see rank | 13.14% | 12.01% |
| Italian | 2,202 | 5.98%, see rank | 6.45% | 5.91% |
| Norwegian | 463 | 1.26%, see rank | 1.38% | 1.55% |
| Polish | 1,287 | 3.50%, see rank | 7.85% | 3.32% |
| Portuguese | 107 | 0.29%, see rank | 0.07% | 0.48% |
| Russian | 265 | 0.72%, see rank | 1.11% | 1.04% |
| Scotch-Irish | 518 | 1.41%, see rank | 1.15% | 1.77% |
| Scottish | 614 | 1.67%, see rank | 1.31% | 1.97% |
| Subsaharan African | 118 | 0.32%, see rank | 0.62% | 0.88% |
| Swedish | 327 | 0.89%, see rank | 2.46% | 1.45% |
| Swiss | 226 | 0.61%, see rank | 0.33% | 0.34% |
| Ukrainian | 46 | 0.13%, see rank | 0.40% | 0.32% |
| American | 2,559 | 6.95%, see rank | 4.55% | 6.43% |
| Welsh | 192 | 0.52%, see rank | 0.42% | 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.