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Community High School District 99 Historical First Ancestry Data
ACS 2010-2014 data
99,482 (90.06%) out of the total population of 110,458 reported first ancestry.
| Community High School District 99 | % of the Total Population | Illinois | U.S. | |
| Arab | 1,762 | 1.60%, see rank | 0.71% | 0.56% |
| Czech | 4,142 | 3.75%, see rank | 0.92% | 0.47% |
| Danish | 537 | 0.49%, see rank | 0.38% | 0.42% |
| Dutch | 2,521 | 2.28%, see rank | 1.37% | 1.40% |
| English | 6,820 | 6.17%, see rank | 5.90% | 8.02% |
| French | 2,364 | 2.14%, see rank | 2.13% | 3.34% |
| German | 22,578 | 20.44%, see rank | 19.07% | 15.03% |
| Greek | 1,459 | 1.32%, see rank | 0.76% | 0.41% |
| Hungarian | 827 | 0.75%, see rank | 0.40% | 0.46% |
| Irish | 17,629 | 15.96%, see rank | 12.00% | 10.80% |
| Italian | 12,731 | 11.53%, see rank | 6.14% | 5.52% |
| Norwegian | 1,394 | 1.26%, see rank | 1.25% | 1.42% |
| Polish | 13,618 | 12.33%, see rank | 7.22% | 3.01% |
| Portuguese | 78 | 0.07%, see rank | 0.08% | 0.44% |
| Russian | 832 | 0.75%, see rank | 0.97% | 0.92% |
| Scotch-Irish | 548 | 0.50%, see rank | 0.59% | 0.99% |
| Scottish | 1,155 | 1.05%, see rank | 1.16% | 1.72% |
| Subsaharan African | 633 | 0.57%, see rank | 0.64% | 0.95% |
| Swedish | 3,123 | 2.83%, see rank | 2.13% | 1.27% |
| Swiss | 226 | 0.20%, see rank | 0.27% | 0.30% |
| Ukrainian | 437 | 0.40%, see rank | 0.40% | 0.31% |
| American | 3,933 | 3.56%, see rank | 5.00% | 7.12% |
| Welsh | 338 | 0.31%, see rank | 0.37% | 0.57% |
ACS 2008-2012 data
102,457 (93.54%) out of the total population of 109,533 reported first ancestry.
| Community High School District 99 | % of the Total Population | Illinois | U.S. | |
| Arab | 1,653 | 1.51%, see rank | 0.64% | 0.53% |
| Czech | 4,385 | 4.00%, see rank | 0.96% | 0.50% |
| Danish | 693 | 0.63%, see rank | 0.40% | 0.45% |
| Dutch | 2,631 | 2.40%, see rank | 1.46% | 1.51% |
| English | 6,922 | 6.32%, see rank | 6.23% | 8.53% |
| French | 2,159 | 1.97%, see rank | 2.26% | 3.54% |
| German | 25,034 | 22.86%, see rank | 19.89% | 15.79% |
| Greek | 1,638 | 1.50%, see rank | 0.78% | 0.42% |
| Hungarian | 824 | 0.75%, see rank | 0.41% | 0.48% |
| Irish | 18,567 | 16.95%, see rank | 12.52% | 11.36% |
| Italian | 14,144 | 12.91%, see rank | 6.29% | 5.66% |
| Norwegian | 1,585 | 1.45%, see rank | 1.30% | 1.46% |
| Polish | 14,436 | 13.18%, see rank | 7.47% | 3.13% |
| Portuguese | 93 | 0.08%, see rank | 0.08% | 0.46% |
| Russian | 875 | 0.80%, see rank | 1.03% | 0.97% |
| Scotch-Irish | 787 | 0.72%, see rank | 0.65% | 1.07% |
| Scottish | 1,366 | 1.25%, see rank | 1.20% | 1.81% |
| Subsaharan African | 468 | 0.43%, see rank | 0.62% | 0.93% |
| Swedish | 2,864 | 2.61%, see rank | 2.24% | 1.34% |
| Swiss | 266 | 0.24%, see rank | 0.29% | 0.31% |
| Ukrainian | 486 | 0.44%, see rank | 0.40% | 0.31% |
| American | 2,976 | 2.72%, see rank | 4.85% | 6.72% |
| Welsh | 428 | 0.39%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
103,393 (94.98%) out of the total population of 108,862 reported first ancestry.
| Community High School District 99 | % of the Total Population | Illinois | U.S. | |
| Arab | 1,206 | 1.11%, see rank | 0.55% | 0.50% |
| Czech | 5,075 | 4.66%, see rank | 1.01% | 0.53% |
| Danish | 812 | 0.75%, see rank | 0.42% | 0.48% |
| Dutch | 2,595 | 2.38%, see rank | 1.58% | 1.63% |
| English | 7,829 | 7.19%, see rank | 6.56% | 9.02% |
| French | 2,228 | 2.05%, see rank | 2.43% | 3.77% |
| German | 25,158 | 23.11%, see rank | 20.72% | 16.51% |
| Greek | 1,834 | 1.68%, see rank | 0.83% | 0.44% |
| Hungarian | 843 | 0.77%, see rank | 0.43% | 0.51% |
| Irish | 18,544 | 17.03%, see rank | 12.94% | 11.76% |
| Italian | 13,969 | 12.83%, see rank | 6.35% | 5.78% |
| Norwegian | 1,789 | 1.64%, see rank | 1.36% | 1.51% |
| Polish | 15,999 | 14.70%, see rank | 7.69% | 3.24% |
| Portuguese | 68 | 0.06%, see rank | 0.08% | 0.47% |
| Russian | 779 | 0.72%, see rank | 1.07% | 1.01% |
| Scotch-Irish | 1,086 | 1.00%, see rank | 1.12% | 1.72% |
| Scottish | 1,371 | 1.26%, see rank | 1.26% | 1.92% |
| Subsaharan African | 610 | 0.56%, see rank | 0.63% | 0.91% |
| Swedish | 3,111 | 2.86%, see rank | 2.37% | 1.41% |
| Swiss | 287 | 0.26%, see rank | 0.33% | 0.33% |
| Ukrainian | 540 | 0.50%, see rank | 0.40% | 0.31% |
| American | 2,521 | 2.32%, see rank | 4.61% | 6.28% |
| Welsh | 547 | 0.50%, see rank | 0.41% | 0.63% |
ACS 2005-2009 data
104,394 (94.76%) out of the total population of 110,166 reported first ancestry.
| Community High School District 99 | % of the Total Population | Illinois | U.S. | |
| Arab | 811 | 0.74%, see rank | 0.52% | 0.50% |
| Czech | 5,262 | 4.78%, see rank | 1.02% | 0.54% |
| Danish | 729 | 0.66%, see rank | 0.44% | 0.49% |
| Dutch | 2,312 | 2.10%, see rank | 1.61% | 1.68% |
| English | 8,703 | 7.90%, see rank | 6.71% | 9.29% |
| French | 2,347 | 2.13%, see rank | 2.51% | 3.90% |
| German | 25,228 | 22.90%, see rank | 21.16% | 16.89% |
| Greek | 1,811 | 1.64%, see rank | 0.85% | 0.45% |
| Hungarian | 873 | 0.79%, see rank | 0.45% | 0.52% |
| Irish | 18,235 | 16.55%, see rank | 13.14% | 12.01% |
| Italian | 14,220 | 12.91%, see rank | 6.45% | 5.91% |
| Norwegian | 1,776 | 1.61%, see rank | 1.38% | 1.55% |
| Polish | 16,612 | 15.08%, see rank | 7.85% | 3.32% |
| Portuguese | 42 | 0.04%, see rank | 0.07% | 0.48% |
| Russian | 691 | 0.63%, see rank | 1.11% | 1.04% |
| Scotch-Irish | 1,275 | 1.16%, see rank | 1.15% | 1.77% |
| Scottish | 1,536 | 1.39%, see rank | 1.31% | 1.97% |
| Subsaharan African | 673 | 0.61%, see rank | 0.62% | 0.88% |
| Swedish | 3,296 | 2.99%, see rank | 2.46% | 1.45% |
| Swiss | 333 | 0.30%, see rank | 0.33% | 0.34% |
| Ukrainian | 796 | 0.72%, see rank | 0.40% | 0.32% |
| American | 2,225 | 2.02%, see rank | 4.55% | 6.43% |
| Welsh | 473 | 0.43%, 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.