Chicago, Naperville, Joliet Metro Area Historical First Ancestry Data
ACS 2010-2014 data
8,684,989 (91.26%) out of the total population of 9,516,448 reported first ancestry.
| Chicago, Naperville, Joliet Area | % of the Total Population | U.S. | |
| Arab | 83,715 | 0.88%, see rank | 0.56% |
| Czech | 105,884 | 1.11%, see rank | 0.47% |
| Danish | 38,644 | 0.41%, see rank | 0.42% |
| Dutch | 121,505 | 1.28%, see rank | 1.40% |
| English | 420,796 | 4.42%, see rank | 8.02% |
| French | 169,614 | 1.78%, see rank | 3.34% |
| German | 1,476,979 | 15.52%, see rank | 15.03% |
| Greek | 93,410 | 0.98%, see rank | 0.41% |
| Hungarian | 50,149 | 0.53%, see rank | 0.46% |
| Irish | 1,105,822 | 11.62%, see rank | 10.80% |
| Italian | 666,874 | 7.01%, see rank | 5.52% |
| Norwegian | 118,415 | 1.24%, see rank | 1.42% |
| Polish | 891,494 | 9.37%, see rank | 3.01% |
| Portuguese | 6,337 | 0.07%, see rank | 0.44% |
| Russian | 119,073 | 1.25%, see rank | 0.92% |
| Scotch-Irish | 40,196 | 0.42%, see rank | 0.99% |
| Scottish | 95,292 | 1.00%, see rank | 1.72% |
| Subsaharan African | 69,618 | 0.73%, see rank | 0.95% |
| Swedish | 189,104 | 1.99%, see rank | 1.27% |
| Swiss | 18,922 | 0.20%, see rank | 0.30% |
| Ukrainian | 48,764 | 0.51%, see rank | 0.31% |
| American | 274,997 | 2.89%, see rank | 7.12% |
| Welsh | 30,654 | 0.32%, see rank | 0.57% |
ACS 2008-2012 data
8,800,909 (93.03%) out of the total population of 9,460,763 reported first ancestry.
| Chicago, Naperville, Joliet Area | % of the Total Population | U.S. | |
| Arab | 75,813 | 0.80%, see rank | 0.53% |
| Czech | 109,968 | 1.16%, see rank | 0.50% |
| Danish | 41,473 | 0.44%, see rank | 0.45% |
| Dutch | 125,489 | 1.33%, see rank | 1.51% |
| English | 439,474 | 4.65%, see rank | 8.53% |
| French | 178,153 | 1.88%, see rank | 3.54% |
| German | 1,539,029 | 16.27%, see rank | 15.79% |
| Greek | 96,393 | 1.02%, see rank | 0.42% |
| Hungarian | 51,281 | 0.54%, see rank | 0.48% |
| Irish | 1,149,967 | 12.16%, see rank | 11.36% |
| Italian | 682,020 | 7.21%, see rank | 5.66% |
| Norwegian | 122,073 | 1.29%, see rank | 1.46% |
| Polish | 917,550 | 9.70%, see rank | 3.13% |
| Portuguese | 5,833 | 0.06%, see rank | 0.46% |
| Russian | 126,613 | 1.34%, see rank | 0.97% |
| Scotch-Irish | 45,010 | 0.48%, see rank | 1.07% |
| Scottish | 97,460 | 1.03%, see rank | 1.81% |
| Subsaharan African | 67,539 | 0.71%, see rank | 0.93% |
| Swedish | 196,650 | 2.08%, see rank | 1.34% |
| Swiss | 19,885 | 0.21%, see rank | 0.31% |
| Ukrainian | 48,395 | 0.51%, see rank | 0.31% |
| American | 244,039 | 2.58%, see rank | 6.72% |
| Welsh | 33,218 | 0.35%, see rank | 0.60% |
ACS 2006-2010 data
8,810,528 (93.88%) out of the total population of 9,384,661 reported first ancestry.
| Chicago, Naperville, Joliet Area | % of the Total Population | U.S. | |
| Arab | 64,429 | 0.69%, see rank | 0.50% |
| Czech | 114,015 | 1.21%, see rank | 0.53% |
| Danish | 41,592 | 0.44%, see rank | 0.48% |
| Dutch | 131,074 | 1.40%, see rank | 1.63% |
| English | 457,050 | 4.87%, see rank | 9.02% |
| French | 187,569 | 2.00%, see rank | 3.77% |
| German | 1,580,940 | 16.85%, see rank | 16.51% |
| Greek | 101,201 | 1.08%, see rank | 0.44% |
| Hungarian | 53,443 | 0.57%, see rank | 0.51% |
| Irish | 1,171,563 | 12.48%, see rank | 11.76% |
| Italian | 683,432 | 7.28%, see rank | 5.78% |
| Norwegian | 126,569 | 1.35%, see rank | 1.51% |
| Polish | 941,380 | 10.03%, see rank | 3.24% |
| Portuguese | 5,793 | 0.06%, see rank | 0.47% |
| Russian | 128,971 | 1.37%, see rank | 1.01% |
| Scotch-Irish | 83,824 | 0.89%, see rank | 1.72% |
| Scottish | 101,847 | 1.09%, see rank | 1.92% |
| Subsaharan African | 68,748 | 0.73%, see rank | 0.91% |
| Swedish | 204,141 | 2.18%, see rank | 1.41% |
| Swiss | 21,123 | 0.23%, see rank | 0.33% |
| Ukrainian | 47,851 | 0.51%, see rank | 0.31% |
| American | 210,736 | 2.25%, see rank | 6.28% |
| Welsh | 33,325 | 0.36%, see rank | 0.63% |
ACS 2005-2009 data
8,897,458 (94.04%) out of the total population of 9,461,816 reported first ancestry.
| Chicago, Naperville, Joliet Area | % of the Total Population | U.S. | |
| Arab | 61,477 | 0.65%, see rank | 0.50% |
| Czech | 115,250 | 1.22%, see rank | 0.54% |
| Danish | 44,638 | 0.47%, see rank | 0.49% |
| Dutch | 133,299 | 1.41%, see rank | 1.68% |
| English | 471,620 | 4.98%, see rank | 9.29% |
| French | 195,101 | 2.06%, see rank | 3.90% |
| German | 1,625,148 | 17.18%, see rank | 16.89% |
| Greek | 105,069 | 1.11%, see rank | 0.45% |
| Hungarian | 54,869 | 0.58%, see rank | 0.52% |
| Irish | 1,200,334 | 12.69%, see rank | 12.01% |
| Italian | 699,077 | 7.39%, see rank | 5.91% |
| Norwegian | 129,254 | 1.37%, see rank | 1.55% |
| Polish | 965,602 | 10.21%, see rank | 3.32% |
| Portuguese | 5,641 | 0.06%, see rank | 0.48% |
| Russian | 134,370 | 1.42%, see rank | 1.04% |
| Scotch-Irish | 86,759 | 0.92%, see rank | 1.77% |
| Scottish | 105,252 | 1.11%, see rank | 1.97% |
| Subsaharan African | 68,953 | 0.73%, see rank | 0.88% |
| Swedish | 211,829 | 2.24%, see rank | 1.45% |
| Swiss | 21,800 | 0.23%, see rank | 0.34% |
| Ukrainian | 48,154 | 0.51%, see rank | 0.32% |
| American | 214,804 | 2.27%, see rank | 6.43% |
| Welsh | 34,378 | 0.36%, see rank | 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.