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Mount Prospect, IL Historical First Ancestry Data
ACS 2010-2014 data
51,107 (93.62%) out of the total population of 54,589 reported first ancestry.
| Mount Prospect, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 318 | 0.58%, see rank | 0.71% | 0.56% |
| Czech | 764 | 1.40%, see rank | 0.92% | 0.47% |
| Danish | 398 | 0.73%, see rank | 0.38% | 0.42% |
| Dutch | 517 | 0.95%, see rank | 1.37% | 1.40% |
| English | 2,060 | 3.77%, see rank | 5.90% | 8.02% |
| French | 853 | 1.56%, see rank | 2.13% | 3.34% |
| German | 10,006 | 18.33%, see rank | 19.07% | 15.03% |
| Greek | 1,069 | 1.96%, see rank | 0.76% | 0.41% |
| Hungarian | 275 | 0.50%, see rank | 0.40% | 0.46% |
| Irish | 7,028 | 12.87%, see rank | 12.00% | 10.80% |
| Italian | 4,899 | 8.97%, see rank | 6.14% | 5.52% |
| Norwegian | 783 | 1.43%, see rank | 1.25% | 1.42% |
| Polish | 10,125 | 18.55%, see rank | 7.22% | 3.01% |
| Portuguese | 55 | 0.10%, see rank | 0.08% | 0.44% |
| Russian | 433 | 0.79%, see rank | 0.97% | 0.92% |
| Scotch-Irish | 152 | 0.28%, see rank | 0.59% | 0.99% |
| Scottish | 590 | 1.08%, see rank | 1.16% | 1.72% |
| Subsaharan African | 191 | 0.35%, see rank | 0.64% | 0.95% |
| Swedish | 1,116 | 2.04%, see rank | 2.13% | 1.27% |
| Swiss | 151 | 0.28%, see rank | 0.27% | 0.30% |
| Ukrainian | 462 | 0.85%, see rank | 0.40% | 0.31% |
| American | 1,143 | 2.09%, see rank | 5.00% | 7.12% |
| Welsh | 238 | 0.44%, see rank | 0.37% | 0.57% |
ACS 2008-2012 data
51,368 (94.87%) out of the total population of 54,144 reported first ancestry.
| Mount Prospect, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 258 | 0.48%, see rank | 0.64% | 0.53% |
| Czech | 798 | 1.47%, see rank | 0.96% | 0.50% |
| Danish | 376 | 0.69%, see rank | 0.40% | 0.45% |
| Dutch | 727 | 1.34%, see rank | 1.46% | 1.51% |
| English | 2,203 | 4.07%, see rank | 6.23% | 8.53% |
| French | 989 | 1.83%, see rank | 2.26% | 3.54% |
| German | 11,318 | 20.90%, see rank | 19.89% | 15.79% |
| Greek | 951 | 1.76%, see rank | 0.78% | 0.42% |
| Hungarian | 314 | 0.58%, see rank | 0.41% | 0.48% |
| Irish | 6,769 | 12.50%, see rank | 12.52% | 11.36% |
| Italian | 5,139 | 9.49%, see rank | 6.29% | 5.66% |
| Norwegian | 1,039 | 1.92%, see rank | 1.30% | 1.46% |
| Polish | 9,880 | 18.25%, see rank | 7.47% | 3.13% |
| Portuguese | 18 | 0.03%, see rank | 0.08% | 0.46% |
| Russian | 541 | 1.00%, see rank | 1.03% | 0.97% |
| Scotch-Irish | 166 | 0.31%, see rank | 0.65% | 1.07% |
| Scottish | 573 | 1.06%, see rank | 1.20% | 1.81% |
| Subsaharan African | 159 | 0.29%, see rank | 0.62% | 0.93% |
| Swedish | 1,186 | 2.19%, see rank | 2.24% | 1.34% |
| Swiss | 87 | 0.16%, see rank | 0.29% | 0.31% |
| Ukrainian | 492 | 0.91%, see rank | 0.40% | 0.31% |
| American | 991 | 1.83%, see rank | 4.85% | 6.72% |
| Welsh | 261 | 0.48%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
51,865 (96.34%) out of the total population of 53,838 reported first ancestry.
| Mount Prospect, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 191 | 0.35%, see rank | 0.55% | 0.50% |
| Czech | 831 | 1.54%, see rank | 1.01% | 0.53% |
| Danish | 314 | 0.58%, see rank | 0.42% | 0.48% |
| Dutch | 667 | 1.24%, see rank | 1.58% | 1.63% |
| English | 1,958 | 3.64%, see rank | 6.56% | 9.02% |
| French | 1,005 | 1.87%, see rank | 2.43% | 3.77% |
| German | 11,840 | 21.99%, see rank | 20.72% | 16.51% |
| Greek | 1,303 | 2.42%, see rank | 0.83% | 0.44% |
| Hungarian | 353 | 0.66%, see rank | 0.43% | 0.51% |
| Irish | 6,885 | 12.79%, see rank | 12.94% | 11.76% |
| Italian | 5,061 | 9.40%, see rank | 6.35% | 5.78% |
| Norwegian | 983 | 1.83%, see rank | 1.36% | 1.51% |
| Polish | 9,709 | 18.03%, see rank | 7.69% | 3.24% |
| Portuguese | 13 | 0.02%, see rank | 0.08% | 0.47% |
| Russian | 712 | 1.32%, see rank | 1.07% | 1.01% |
| Scotch-Irish | 456 | 0.85%, see rank | 1.12% | 1.72% |
| Scottish | 510 | 0.95%, see rank | 1.26% | 1.92% |
| Subsaharan African | 120 | 0.22%, see rank | 0.63% | 0.91% |
| Swedish | 1,525 | 2.83%, see rank | 2.37% | 1.41% |
| Swiss | 83 | 0.15%, see rank | 0.33% | 0.33% |
| Ukrainian | 335 | 0.62%, see rank | 0.40% | 0.31% |
| American | 1,106 | 2.05%, see rank | 4.61% | 6.28% |
| Welsh | 386 | 0.72%, see rank | 0.41% | 0.63% |
ACS 2005-2009 data
51,549 (96.73%) out of the total population of 53,290 reported first ancestry.
| Mount Prospect, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 241 | 0.45%, see rank | 0.52% | 0.50% |
| Czech | 700 | 1.31%, see rank | 1.02% | 0.54% |
| Danish | 341 | 0.64%, see rank | 0.44% | 0.49% |
| Dutch | 757 | 1.42%, see rank | 1.61% | 1.68% |
| English | 2,259 | 4.24%, see rank | 6.71% | 9.29% |
| French | 1,126 | 2.11%, see rank | 2.51% | 3.90% |
| German | 12,782 | 23.99%, see rank | 21.16% | 16.89% |
| Greek | 1,231 | 2.31%, see rank | 0.85% | 0.45% |
| Hungarian | 332 | 0.62%, see rank | 0.45% | 0.52% |
| Irish | 7,253 | 13.61%, see rank | 13.14% | 12.01% |
| Italian | 5,015 | 9.41%, see rank | 6.45% | 5.91% |
| Norwegian | 957 | 1.80%, see rank | 1.38% | 1.55% |
| Polish | 9,628 | 18.07%, see rank | 7.85% | 3.32% |
| Portuguese | 30 | 0.06%, see rank | 0.07% | 0.48% |
| Russian | 720 | 1.35%, see rank | 1.11% | 1.04% |
| Scotch-Irish | 311 | 0.58%, see rank | 1.15% | 1.77% |
| Scottish | 455 | 0.85%, see rank | 1.31% | 1.97% |
| Subsaharan African | 104 | 0.20%, see rank | 0.62% | 0.88% |
| Swedish | 1,702 | 3.19%, see rank | 2.46% | 1.45% |
| Swiss | 95 | 0.18%, see rank | 0.33% | 0.34% |
| Ukrainian | 437 | 0.82%, see rank | 0.40% | 0.32% |
| American | 1,085 | 2.04%, see rank | 4.55% | 6.43% |
| Welsh | 358 | 0.67%, see rank | 0.42% | 0.65% |
US Census 2000 data
51,562 (91.64%) out of the total population of 56,265 reported first ancestry.
| Mount Prospect, IL | % of the Total Population | Illinois | U.S. | |
| Arab | 164 | 0.29%, see rank | 0.38% | 0.36% |
| Czech | 282 | 0.50%, see rank | 0.57% | 0.27% |
| Danish | 192 | 0.34%, see rank | 0.26% | 0.30% |
| Dutch | 319 | 0.57%, see rank | 0.90% | 0.91% |
| English | 1,789 | 3.18%, see rank | 4.12% | 5.91% |
| French | 621 | 1.10%, see rank | 1.34% | 2.39% |
| German | 8,350 | 14.84%, see rank | 13.82% | 10.81% |
| Greek | 1,441 | 2.56%, see rank | 0.65% | 0.34% |
| Hungarian | 205 | 0.36%, see rank | 0.27% | 0.32% |
| Irish | 4,887 | 8.69%, see rank | 7.62% | 6.85% |
| Italian | 5,011 | 8.91%, see rank | 4.81% | 4.59% |
| Norwegian | 702 | 1.25%, see rank | 0.96% | 1.15% |
| Polish | 7,426 | 13.20%, see rank | 5.68% | 2.24% |
| Portuguese | 51 | 0.09%, see rank | 0.04% | 0.33% |
| Russian | 587 | 1.04%, see rank | 0.72% | 0.68% |
| Scotch-Irish | 178 | 0.32%, see rank | 0.73% | 1.17% |
| Scottish | 357 | 0.63%, see rank | 0.73% | 1.12% |
| Subsaharan African | 182 | 0.32%, see rank | 0.57% | 0.61% |
| Swedish | 946 | 1.68%, see rank | 1.52% | 0.87% |
| Swiss | 82 | 0.15%, see rank | 0.17% | 0.19% |
| Ukrainian | 279 | 0.50%, see rank | 0.30% | 0.24% |
| American | 1,170 | 2.08%, see rank | 4.58% | 7.33% |
| Welsh | 83 | 0.15%, 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.