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Brookfield, WI Historical First Ancestry Data
ACS 2010-2014 data
34,664 (91.29%) out of the total population of 37,971 reported first ancestry.
| Brookfield, WI | % of the Total Population | Wisconsin | U.S. | |
| Arab | 363 | 0.96%, see rank | 0.23% | 0.56% |
| Czech | 501 | 1.32%, see rank | 1.61% | 0.47% |
| Danish | 289 | 0.76%, see rank | 1.04% | 0.42% |
| Dutch | 865 | 2.28%, see rank | 2.51% | 1.40% |
| English | 3,055 | 8.05%, see rank | 5.83% | 8.02% |
| French | 1,409 | 3.71%, see rank | 4.24% | 3.34% |
| German | 17,117 | 45.08%, see rank | 41.77% | 15.03% |
| Greek | 594 | 1.56%, see rank | 0.28% | 0.41% |
| Hungarian | 421 | 1.11%, see rank | 0.41% | 0.46% |
| Irish | 5,560 | 14.64%, see rank | 11.03% | 10.80% |
| Italian | 2,302 | 6.06%, see rank | 3.48% | 5.52% |
| Norwegian | 1,983 | 5.22%, see rank | 7.74% | 1.42% |
| Polish | 4,554 | 11.99%, see rank | 8.91% | 3.01% |
| Portuguese | 25 | 0.07%, see rank | 0.05% | 0.44% |
| Russian | 343 | 0.90%, see rank | 0.65% | 0.92% |
| Scotch-Irish | 219 | 0.58%, see rank | 0.43% | 0.99% |
| Scottish | 652 | 1.72%, see rank | 1.07% | 1.72% |
| Subsaharan African | 103 | 0.27%, see rank | 0.47% | 0.95% |
| Swedish | 1,126 | 2.97%, see rank | 2.56% | 1.27% |
| Swiss | 461 | 1.21%, see rank | 1.03% | 0.30% |
| Ukrainian | 79 | 0.21%, see rank | 0.17% | 0.31% |
| American | 1,338 | 3.52%, see rank | 3.75% | 7.12% |
| Welsh | 277 | 0.73%, see rank | 0.48% | 0.57% |
ACS 2008-2012 data
35,425 (93.19%) out of the total population of 38,015 reported first ancestry.
| Brookfield, WI | % of the Total Population | Wisconsin | U.S. | |
| Arab | 104 | 0.27%, see rank | 0.21% | 0.53% |
| Czech | 597 | 1.57%, see rank | 1.67% | 0.50% |
| Danish | 283 | 0.74%, see rank | 1.12% | 0.45% |
| Dutch | 886 | 2.33%, see rank | 2.63% | 1.51% |
| English | 2,946 | 7.75%, see rank | 6.23% | 8.53% |
| French | 1,431 | 3.76%, see rank | 4.51% | 3.54% |
| German | 18,217 | 47.92%, see rank | 43.10% | 15.79% |
| Greek | 903 | 2.38%, see rank | 0.33% | 0.42% |
| Hungarian | 374 | 0.98%, see rank | 0.45% | 0.48% |
| Irish | 5,856 | 15.40%, see rank | 11.45% | 11.36% |
| Italian | 2,849 | 7.49%, see rank | 3.56% | 5.66% |
| Norwegian | 1,727 | 4.54%, see rank | 7.92% | 1.46% |
| Polish | 4,740 | 12.47%, see rank | 9.20% | 3.13% |
| Portuguese | 12 | 0.03%, see rank | 0.05% | 0.46% |
| Russian | 361 | 0.95%, see rank | 0.69% | 0.97% |
| Scotch-Irish | 192 | 0.51%, see rank | 0.44% | 1.07% |
| Scottish | 816 | 2.15%, see rank | 1.13% | 1.81% |
| Subsaharan African | 19 | 0.05%, see rank | 0.47% | 0.93% |
| Swedish | 1,016 | 2.67%, see rank | 2.66% | 1.34% |
| Swiss | 522 | 1.37%, see rank | 1.04% | 0.31% |
| Ukrainian | 111 | 0.29%, see rank | 0.17% | 0.31% |
| American | 880 | 2.31%, see rank | 3.40% | 6.72% |
| Welsh | 324 | 0.85%, see rank | 0.51% | 0.60% |
ACS 2006-2010 data
36,178 (94.71%) out of the total population of 38,198 reported first ancestry.
| Brookfield, WI | % of the Total Population | Wisconsin | U.S. | |
| Arab | 56 | 0.15%, see rank | 0.18% | 0.50% |
| Czech | 611 | 1.60%, see rank | 1.78% | 0.53% |
| Danish | 247 | 0.65%, see rank | 1.21% | 0.48% |
| Dutch | 758 | 1.98%, see rank | 2.72% | 1.63% |
| English | 3,295 | 8.63%, see rank | 6.59% | 9.02% |
| French | 1,308 | 3.42%, see rank | 4.90% | 3.77% |
| German | 18,690 | 48.93%, see rank | 44.47% | 16.51% |
| Greek | 821 | 2.15%, see rank | 0.34% | 0.44% |
| Hungarian | 441 | 1.15%, see rank | 0.46% | 0.51% |
| Irish | 5,562 | 14.56%, see rank | 11.72% | 11.76% |
| Italian | 2,638 | 6.91%, see rank | 3.57% | 5.78% |
| Norwegian | 1,869 | 4.89%, see rank | 8.27% | 1.51% |
| Polish | 4,731 | 12.39%, see rank | 9.55% | 3.24% |
| Portuguese | 0 | 0.00%, see rank | 0.05% | 0.47% |
| Russian | 419 | 1.10%, see rank | 0.74% | 1.01% |
| Scotch-Irish | 658 | 1.72%, see rank | 0.85% | 1.72% |
| Scottish | 866 | 2.27%, see rank | 1.14% | 1.92% |
| Subsaharan African | 34 | 0.09%, see rank | 0.45% | 0.91% |
| Swedish | 900 | 2.36%, see rank | 2.81% | 1.41% |
| Swiss | 460 | 1.20%, see rank | 1.07% | 0.33% |
| Ukrainian | 209 | 0.55%, see rank | 0.17% | 0.31% |
| American | 842 | 2.20%, see rank | 2.98% | 6.28% |
| Welsh | 258 | 0.68%, see rank | 0.50% | 0.63% |
ACS 2005-2009 data
37,203 (94.91%) out of the total population of 39,197 reported first ancestry.
| Brookfield, WI | % of the Total Population | Wisconsin | U.S. | |
| Arab | 85 | 0.22%, see rank | 0.19% | 0.50% |
| Czech | 864 | 2.20%, see rank | 1.85% | 0.54% |
| Danish | 300 | 0.77%, see rank | 1.24% | 0.49% |
| Dutch | 801 | 2.04%, see rank | 2.82% | 1.68% |
| English | 3,276 | 8.36%, see rank | 6.77% | 9.29% |
| French | 1,348 | 3.44%, see rank | 5.10% | 3.90% |
| German | 19,294 | 49.22%, see rank | 45.09% | 16.89% |
| Greek | 818 | 2.09%, see rank | 0.34% | 0.45% |
| Hungarian | 405 | 1.03%, see rank | 0.49% | 0.52% |
| Irish | 5,953 | 15.19%, see rank | 11.85% | 12.01% |
| Italian | 2,451 | 6.25%, see rank | 3.55% | 5.91% |
| Norwegian | 2,099 | 5.36%, see rank | 8.50% | 1.55% |
| Polish | 5,015 | 12.79%, see rank | 9.76% | 3.32% |
| Portuguese | 0 | 0.00%, see rank | 0.05% | 0.48% |
| Russian | 382 | 0.97%, see rank | 0.75% | 1.04% |
| Scotch-Irish | 431 | 1.10%, see rank | 0.86% | 1.77% |
| Scottish | 1,007 | 2.57%, see rank | 1.19% | 1.97% |
| Subsaharan African | 60 | 0.15%, see rank | 0.38% | 0.88% |
| Swedish | 989 | 2.52%, see rank | 2.90% | 1.45% |
| Swiss | 420 | 1.07%, see rank | 1.07% | 0.34% |
| Ukrainian | 230 | 0.59%, see rank | 0.17% | 0.32% |
| American | 890 | 2.27%, see rank | 2.98% | 6.43% |
| Welsh | 308 | 0.79%, see rank | 0.52% | 0.65% |
US Census 2000 data
33,957 (87.86%) out of the total population of 38,649 reported first ancestry.
| Brookfield, WI | % of the Total Population | Wisconsin | U.S. | |
| Arab | 47 | 0.12%, see rank | 0.13% | 0.36% |
| Czech | 223 | 0.58%, see rank | 0.94% | 0.27% |
| Danish | 144 | 0.37%, see rank | 0.71% | 0.30% |
| Dutch | 339 | 0.88%, see rank | 1.51% | 0.91% |
| English | 1,829 | 4.73%, see rank | 3.44% | 5.91% |
| French | 709 | 1.83%, see rank | 2.55% | 2.39% |
| German | 13,702 | 35.45%, see rank | 33.15% | 10.81% |
| Greek | 315 | 0.82%, see rank | 0.22% | 0.34% |
| Hungarian | 269 | 0.70%, see rank | 0.25% | 0.32% |
| Irish | 3,335 | 8.63%, see rank | 5.56% | 6.85% |
| Italian | 2,398 | 6.20%, see rank | 2.42% | 4.59% |
| Norwegian | 1,118 | 2.89%, see rank | 5.92% | 1.15% |
| Polish | 2,546 | 6.59%, see rank | 6.08% | 2.24% |
| Portuguese | 12 | 0.03%, see rank | 0.03% | 0.33% |
| Russian | 185 | 0.48%, see rank | 0.33% | 0.68% |
| Scotch-Irish | 258 | 0.67%, see rank | 0.45% | 1.17% |
| Scottish | 313 | 0.81%, see rank | 0.55% | 1.12% |
| Subsaharan African | 26 | 0.07%, see rank | 0.24% | 0.61% |
| Swedish | 567 | 1.47%, see rank | 1.54% | 0.87% |
| Swiss | 202 | 0.52%, see rank | 0.59% | 0.19% |
| Ukrainian | 77 | 0.20%, see rank | 0.10% | 0.24% |
| American | 1,335 | 3.45%, see rank | 3.53% | 7.33% |
| Welsh | 129 | 0.33%, see rank | 0.23% | 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.