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Northbrook, IL Historical First Ancestry Data
ACS 2010-2014 data
30,034 (89.93%) out of the total population of 33,396 reported first ancestry.
| Northbrook, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 320 | 0.96%, see rank | 0.71% | 0.56% |
| Czech | 223 | 0.67%, see rank | 0.92% | 0.47% |
| Danish | 175 | 0.52%, see rank | 0.38% | 0.42% |
| Dutch | 156 | 0.47%, see rank | 1.37% | 1.40% |
| English | 1,804 | 5.40%, see rank | 5.90% | 8.02% |
| French | 663 | 1.99%, see rank | 2.13% | 3.34% |
| German | 5,719 | 17.12%, see rank | 19.07% | 15.03% |
| Greek | 721 | 2.16%, see rank | 0.76% | 0.41% |
| Hungarian | 300 | 0.90%, see rank | 0.40% | 0.46% |
| Irish | 3,811 | 11.41%, see rank | 12.00% | 10.80% |
| Italian | 2,003 | 6.00%, see rank | 6.14% | 5.52% |
| Norwegian | 369 | 1.10%, see rank | 1.25% | 1.42% |
| Polish | 3,355 | 10.05%, see rank | 7.22% | 3.01% |
| Portuguese | 0 | 0.00%, see rank | 0.08% | 0.44% |
| Russian | 3,665 | 10.97%, see rank | 0.97% | 0.92% |
| Scotch-Irish | 121 | 0.36%, see rank | 0.59% | 0.99% |
| Scottish | 479 | 1.43%, see rank | 1.16% | 1.72% |
| Subsaharan African | 146 | 0.44%, see rank | 0.64% | 0.95% |
| Swedish | 1,098 | 3.29%, see rank | 2.13% | 1.27% |
| Swiss | 65 | 0.19%, see rank | 0.27% | 0.30% |
| Ukrainian | 482 | 1.44%, see rank | 0.40% | 0.31% |
| American | 2,313 | 6.93%, see rank | 5.00% | 7.12% |
| Welsh | 50 | 0.15%, see rank | 0.37% | 0.57% |
ACS 2008-2012 data
30,637 (92.57%) out of the total population of 33,095 reported first ancestry.
| Northbrook, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 268 | 0.81%, see rank | 0.64% | 0.53% |
| Czech | 220 | 0.66%, see rank | 0.96% | 0.50% |
| Danish | 191 | 0.58%, see rank | 0.40% | 0.45% |
| Dutch | 229 | 0.69%, see rank | 1.46% | 1.51% |
| English | 2,035 | 6.15%, see rank | 6.23% | 8.53% |
| French | 604 | 1.83%, see rank | 2.26% | 3.54% |
| German | 5,609 | 16.95%, see rank | 19.89% | 15.79% |
| Greek | 944 | 2.85%, see rank | 0.78% | 0.42% |
| Hungarian | 300 | 0.91%, see rank | 0.41% | 0.48% |
| Irish | 3,754 | 11.34%, see rank | 12.52% | 11.36% |
| Italian | 1,755 | 5.30%, see rank | 6.29% | 5.66% |
| Norwegian | 467 | 1.41%, see rank | 1.30% | 1.46% |
| Polish | 3,073 | 9.29%, see rank | 7.47% | 3.13% |
| Portuguese | 12 | 0.04%, see rank | 0.08% | 0.46% |
| Russian | 3,673 | 11.10%, see rank | 1.03% | 0.97% |
| Scotch-Irish | 180 | 0.54%, see rank | 0.65% | 1.07% |
| Scottish | 408 | 1.23%, see rank | 1.20% | 1.81% |
| Subsaharan African | 122 | 0.37%, see rank | 0.62% | 0.93% |
| Swedish | 1,017 | 3.07%, see rank | 2.24% | 1.34% |
| Swiss | 79 | 0.24%, see rank | 0.29% | 0.31% |
| Ukrainian | 751 | 2.27%, see rank | 0.40% | 0.31% |
| American | 2,178 | 6.58%, see rank | 4.85% | 6.72% |
| Welsh | 90 | 0.27%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
30,638 (93.06%) out of the total population of 32,922 reported first ancestry.
| Northbrook, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 238 | 0.72%, see rank | 0.55% | 0.50% |
| Czech | 151 | 0.46%, see rank | 1.01% | 0.53% |
| Danish | 164 | 0.50%, see rank | 0.42% | 0.48% |
| Dutch | 504 | 1.53%, see rank | 1.58% | 1.63% |
| English | 2,416 | 7.34%, see rank | 6.56% | 9.02% |
| French | 483 | 1.47%, see rank | 2.43% | 3.77% |
| German | 5,277 | 16.03%, see rank | 20.72% | 16.51% |
| Greek | 1,011 | 3.07%, see rank | 0.83% | 0.44% |
| Hungarian | 340 | 1.03%, see rank | 0.43% | 0.51% |
| Irish | 3,611 | 10.97%, see rank | 12.94% | 11.76% |
| Italian | 1,479 | 4.49%, see rank | 6.35% | 5.78% |
| Norwegian | 678 | 2.06%, see rank | 1.36% | 1.51% |
| Polish | 3,397 | 10.32%, see rank | 7.69% | 3.24% |
| Portuguese | 36 | 0.11%, see rank | 0.08% | 0.47% |
| Russian | 4,261 | 12.94%, see rank | 1.07% | 1.01% |
| Scotch-Irish | 325 | 0.99%, see rank | 1.12% | 1.72% |
| Scottish | 486 | 1.48%, see rank | 1.26% | 1.92% |
| Subsaharan African | 61 | 0.19%, see rank | 0.63% | 0.91% |
| Swedish | 706 | 2.14%, see rank | 2.37% | 1.41% |
| Swiss | 119 | 0.36%, see rank | 0.33% | 0.33% |
| Ukrainian | 655 | 1.99%, see rank | 0.40% | 0.31% |
| American | 1,751 | 5.32%, see rank | 4.61% | 6.28% |
| Welsh | 198 | 0.60%, see rank | 0.41% | 0.63% |
ACS 2005-2009 data
31,242 (92.60%) out of the total population of 33,738 reported first ancestry.
| Northbrook, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 155 | 0.46%, see rank | 0.52% | 0.50% |
| Czech | 294 | 0.87%, see rank | 1.02% | 0.54% |
| Danish | 165 | 0.49%, see rank | 0.44% | 0.49% |
| Dutch | 671 | 1.99%, see rank | 1.61% | 1.68% |
| English | 2,800 | 8.30%, see rank | 6.71% | 9.29% |
| French | 499 | 1.48%, see rank | 2.51% | 3.90% |
| German | 5,281 | 15.65%, see rank | 21.16% | 16.89% |
| Greek | 940 | 2.79%, see rank | 0.85% | 0.45% |
| Hungarian | 400 | 1.19%, see rank | 0.45% | 0.52% |
| Irish | 3,658 | 10.84%, see rank | 13.14% | 12.01% |
| Italian | 1,599 | 4.74%, see rank | 6.45% | 5.91% |
| Norwegian | 766 | 2.27%, see rank | 1.38% | 1.55% |
| Polish | 3,363 | 9.97%, see rank | 7.85% | 3.32% |
| Portuguese | 34 | 0.10%, see rank | 0.07% | 0.48% |
| Russian | 4,286 | 12.70%, see rank | 1.11% | 1.04% |
| Scotch-Irish | 332 | 0.98%, see rank | 1.15% | 1.77% |
| Scottish | 612 | 1.81%, see rank | 1.31% | 1.97% |
| Subsaharan African | 113 | 0.33%, see rank | 0.62% | 0.88% |
| Swedish | 718 | 2.13%, see rank | 2.46% | 1.45% |
| Swiss | 103 | 0.31%, see rank | 0.33% | 0.34% |
| Ukrainian | 693 | 2.05%, see rank | 0.40% | 0.32% |
| American | 1,991 | 5.90%, see rank | 4.55% | 6.43% |
| Welsh | 196 | 0.58%, see rank | 0.42% | 0.65% |
US Census 2000 data
29,689 (88.80%) out of the total population of 33,435 reported first ancestry.
| Northbrook, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 137 | 0.41%, see rank | 0.38% | 0.36% |
| Czech | 132 | 0.39%, see rank | 0.57% | 0.27% |
| Danish | 109 | 0.33%, see rank | 0.26% | 0.30% |
| Dutch | 363 | 1.09%, see rank | 0.90% | 0.91% |
| English | 1,652 | 4.94%, see rank | 4.12% | 5.91% |
| French | 304 | 0.91%, see rank | 1.34% | 2.39% |
| German | 4,061 | 12.15%, see rank | 13.82% | 10.81% |
| Greek | 569 | 1.70%, see rank | 0.65% | 0.34% |
| Hungarian | 191 | 0.57%, see rank | 0.27% | 0.32% |
| Irish | 2,627 | 7.86%, see rank | 7.62% | 6.85% |
| Italian | 1,609 | 4.81%, see rank | 4.81% | 4.59% |
| Norwegian | 365 | 1.09%, see rank | 0.96% | 1.15% |
| Polish | 2,342 | 7.00%, see rank | 5.68% | 2.24% |
| Portuguese | 16 | 0.05%, see rank | 0.04% | 0.33% |
| Russian | 3,478 | 10.40%, see rank | 0.72% | 0.68% |
| Scotch-Irish | 253 | 0.76%, see rank | 0.73% | 1.17% |
| Scottish | 432 | 1.29%, see rank | 0.73% | 1.12% |
| Subsaharan African | 27 | 0.08%, see rank | 0.57% | 0.61% |
| Swedish | 730 | 2.18%, see rank | 1.52% | 0.87% |
| Swiss | 70 | 0.21%, see rank | 0.17% | 0.19% |
| Ukrainian | 297 | 0.89%, see rank | 0.30% | 0.24% |
| American | 2,201 | 6.58%, see rank | 4.58% | 7.33% |
| Welsh | 57 | 0.17%, 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.