Denver, Aurora Metro Area Historical First Ancestry Data
ACS 2010-2014 data
2,349,840 (88.63%) out of the total population of 2,651,392 reported first ancestry.
| Denver, Aurora Area | % of the Total Population | Colorado | U.S. | |
| Arab | 12,497 | 0.47%, see rank | 0.39% | 0.56% |
| Czech | 17,831 | 0.67%, see rank | 0.70% | 0.47% |
| Danish | 20,509 | 0.77%, see rank | 0.82% | 0.42% |
| Dutch | 43,143 | 1.63%, see rank | 1.81% | 1.40% |
| English | 264,099 | 9.96%, see rank | 10.49% | 8.02% |
| French | 85,906 | 3.24%, see rank | 3.48% | 3.34% |
| German | 514,511 | 19.41%, see rank | 20.88% | 15.03% |
| Greek | 11,123 | 0.42%, see rank | 0.38% | 0.41% |
| Hungarian | 10,485 | 0.40%, see rank | 0.39% | 0.46% |
| Irish | 307,358 | 11.59%, see rank | 12.04% | 10.80% |
| Italian | 138,056 | 5.21%, see rank | 5.10% | 5.52% |
| Norwegian | 57,683 | 2.18%, see rank | 2.18% | 1.42% |
| Polish | 69,818 | 2.63%, see rank | 2.51% | 3.01% |
| Portuguese | 4,835 | 0.18%, see rank | 0.21% | 0.44% |
| Russian | 31,756 | 1.20%, see rank | 1.09% | 0.92% |
| Scotch-Irish | 30,504 | 1.15%, see rank | 1.27% | 0.99% |
| Scottish | 62,816 | 2.37%, see rank | 2.56% | 1.72% |
| Subsaharan African | 29,769 | 1.12%, see rank | 0.73% | 0.95% |
| Swedish | 63,461 | 2.39%, see rank | 2.43% | 1.27% |
| Swiss | 11,400 | 0.43%, see rank | 0.46% | 0.30% |
| Ukrainian | 8,272 | 0.31%, see rank | 0.25% | 0.31% |
| American | 132,798 | 5.01%, see rank | 5.18% | 7.12% |
| Welsh | 22,639 | 0.85%, see rank | 0.92% | 0.57% |
ACS 2008-2012 data
2,325,152 (91.03%) out of the total population of 2,554,243 reported first ancestry.
| Denver, Aurora Area | % of the Total Population | Colorado | U.S. | |
| Arab | 11,174 | 0.44%, see rank | 0.36% | 0.53% |
| Czech | 18,381 | 0.72%, see rank | 0.73% | 0.50% |
| Danish | 20,623 | 0.81%, see rank | 0.90% | 0.45% |
| Dutch | 44,449 | 1.74%, see rank | 1.91% | 1.51% |
| English | 267,897 | 10.49%, see rank | 11.19% | 8.53% |
| French | 89,200 | 3.49%, see rank | 3.75% | 3.54% |
| German | 523,414 | 20.49%, see rank | 22.06% | 15.79% |
| Greek | 11,746 | 0.46%, see rank | 0.40% | 0.42% |
| Hungarian | 10,440 | 0.41%, see rank | 0.42% | 0.48% |
| Irish | 307,551 | 12.04%, see rank | 12.52% | 11.36% |
| Italian | 136,021 | 5.33%, see rank | 5.22% | 5.66% |
| Norwegian | 55,652 | 2.18%, see rank | 2.26% | 1.46% |
| Polish | 68,222 | 2.67%, see rank | 2.55% | 3.13% |
| Portuguese | 4,536 | 0.18%, see rank | 0.20% | 0.46% |
| Russian | 32,644 | 1.28%, see rank | 1.15% | 0.97% |
| Scotch-Irish | 30,927 | 1.21%, see rank | 1.37% | 1.07% |
| Scottish | 63,598 | 2.49%, see rank | 2.69% | 1.81% |
| Subsaharan African | 25,941 | 1.02%, see rank | 0.64% | 0.93% |
| Swedish | 66,062 | 2.59%, see rank | 2.64% | 1.34% |
| Swiss | 12,628 | 0.49%, see rank | 0.48% | 0.31% |
| Ukrainian | 7,469 | 0.29%, see rank | 0.25% | 0.31% |
| American | 124,352 | 4.87%, see rank | 4.88% | 6.72% |
| Welsh | 21,855 | 0.86%, see rank | 0.93% | 0.60% |
ACS 2006-2010 data
2,274,086 (92.28%) out of the total population of 2,464,415 reported first ancestry.
| Denver, Aurora Area | % of the Total Population | Colorado | U.S. | |
| Arab | 10,209 | 0.41%, see rank | 0.33% | 0.50% |
| Czech | 18,891 | 0.77%, see rank | 0.78% | 0.53% |
| Danish | 21,220 | 0.86%, see rank | 0.95% | 0.48% |
| Dutch | 45,004 | 1.83%, see rank | 1.98% | 1.63% |
| English | 274,068 | 11.12%, see rank | 11.90% | 9.02% |
| French | 93,914 | 3.81%, see rank | 3.96% | 3.77% |
| German | 527,471 | 21.40%, see rank | 22.99% | 16.51% |
| Greek | 10,717 | 0.43%, see rank | 0.40% | 0.44% |
| Hungarian | 10,840 | 0.44%, see rank | 0.43% | 0.51% |
| Irish | 306,936 | 12.45%, see rank | 12.87% | 11.76% |
| Italian | 130,197 | 5.28%, see rank | 5.18% | 5.78% |
| Norwegian | 54,506 | 2.21%, see rank | 2.34% | 1.51% |
| Polish | 65,104 | 2.64%, see rank | 2.54% | 3.24% |
| Portuguese | 5,099 | 0.21%, see rank | 0.22% | 0.47% |
| Russian | 33,386 | 1.35%, see rank | 1.23% | 1.01% |
| Scotch-Irish | 50,364 | 2.04%, see rank | 2.21% | 1.72% |
| Scottish | 65,346 | 2.65%, see rank | 2.86% | 1.92% |
| Subsaharan African | 20,800 | 0.84%, see rank | 0.55% | 0.91% |
| Swedish | 66,703 | 2.71%, see rank | 2.81% | 1.41% |
| Swiss | 13,051 | 0.53%, see rank | 0.52% | 0.33% |
| Ukrainian | 7,739 | 0.31%, see rank | 0.27% | 0.31% |
| American | 111,946 | 4.54%, see rank | 4.46% | 6.28% |
| Welsh | 22,276 | 0.90%, see rank | 0.96% | 0.63% |
ACS 2005-2009 data
2,274,315 (92.79%) out of the total population of 2,451,038 reported first ancestry.
| Denver, Aurora Area | % of the Total Population | Colorado | U.S. | |
| Arab | 10,103 | 0.41%, see rank | 0.33% | 0.50% |
| Czech | 19,753 | 0.81%, see rank | 0.80% | 0.54% |
| Danish | 22,583 | 0.92%, see rank | 0.99% | 0.49% |
| Dutch | 45,616 | 1.86%, see rank | 2.06% | 1.68% |
| English | 283,262 | 11.56%, see rank | 12.26% | 9.29% |
| French | 96,102 | 3.92%, see rank | 4.07% | 3.90% |
| German | 541,648 | 22.10%, see rank | 23.49% | 16.89% |
| Greek | 10,998 | 0.45%, see rank | 0.42% | 0.45% |
| Hungarian | 11,299 | 0.46%, see rank | 0.45% | 0.52% |
| Irish | 310,319 | 12.66%, see rank | 13.00% | 12.01% |
| Italian | 129,109 | 5.27%, see rank | 5.20% | 5.91% |
| Norwegian | 56,454 | 2.30%, see rank | 2.40% | 1.55% |
| Polish | 65,739 | 2.68%, see rank | 2.56% | 3.32% |
| Portuguese | 5,389 | 0.22%, see rank | 0.22% | 0.48% |
| Russian | 34,485 | 1.41%, see rank | 1.28% | 1.04% |
| Scotch-Irish | 52,197 | 2.13%, see rank | 2.31% | 1.77% |
| Scottish | 67,201 | 2.74%, see rank | 2.90% | 1.97% |
| Subsaharan African | 20,415 | 0.83%, see rank | 0.55% | 0.88% |
| Swedish | 67,851 | 2.77%, see rank | 2.84% | 1.45% |
| Swiss | 12,441 | 0.51%, see rank | 0.50% | 0.34% |
| Ukrainian | 8,116 | 0.33%, see rank | 0.27% | 0.32% |
| American | 114,247 | 4.66%, see rank | 4.64% | 6.43% |
| Welsh | 23,037 | 0.94%, see rank | 0.99% | 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.