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Douglas County School District RE-1 Historical First Ancestry Data
ACS 2010-2014 data
266,940 (88.38%) out of the total population of 302,027 reported first ancestry.
| Douglas County School District RE-1 | % of the Total Population | Colorado | U.S. | |
| Arab | 2,001 | 0.66%, see rank | 0.39% | 0.56% |
| Czech | 2,745 | 0.91%, see rank | 0.70% | 0.47% |
| Danish | 3,701 | 1.23%, see rank | 0.82% | 0.42% |
| Dutch | 6,329 | 2.10%, see rank | 1.81% | 1.40% |
| English | 42,785 | 14.17%, see rank | 10.49% | 8.02% |
| French | 12,801 | 4.24%, see rank | 3.48% | 3.34% |
| German | 78,988 | 26.15%, see rank | 20.88% | 15.03% |
| Greek | 1,754 | 0.58%, see rank | 0.38% | 0.41% |
| Hungarian | 1,641 | 0.54%, see rank | 0.39% | 0.46% |
| Irish | 45,800 | 15.16%, see rank | 12.04% | 10.80% |
| Italian | 21,826 | 7.23%, see rank | 5.10% | 5.52% |
| Norwegian | 9,029 | 2.99%, see rank | 2.18% | 1.42% |
| Polish | 11,179 | 3.70%, see rank | 2.51% | 3.01% |
| Portuguese | 1,129 | 0.37%, see rank | 0.21% | 0.44% |
| Russian | 3,523 | 1.17%, see rank | 1.09% | 0.92% |
| Scotch-Irish | 4,666 | 1.54%, see rank | 1.27% | 0.99% |
| Scottish | 9,656 | 3.20%, see rank | 2.56% | 1.72% |
| Subsaharan African | 875 | 0.29%, see rank | 0.73% | 0.95% |
| Swedish | 10,518 | 3.48%, see rank | 2.43% | 1.27% |
| Swiss | 1,888 | 0.63%, see rank | 0.46% | 0.30% |
| Ukrainian | 947 | 0.31%, see rank | 0.25% | 0.31% |
| American | 15,746 | 5.21%, see rank | 5.18% | 7.12% |
| Welsh | 3,824 | 1.27%, see rank | 0.92% | 0.57% |
ACS 2008-2012 data
263,044 (90.89%) out of the total population of 289,396 reported first ancestry.
| Douglas County School District RE-1 | % of the Total Population | Colorado | U.S. | |
| Arab | 1,652 | 0.57%, see rank | 0.36% | 0.53% |
| Czech | 2,487 | 0.86%, see rank | 0.73% | 0.50% |
| Danish | 3,548 | 1.23%, see rank | 0.90% | 0.45% |
| Dutch | 7,601 | 2.63%, see rank | 1.91% | 1.51% |
| English | 42,693 | 14.75%, see rank | 11.19% | 8.53% |
| French | 13,394 | 4.63%, see rank | 3.75% | 3.54% |
| German | 79,873 | 27.60%, see rank | 22.06% | 15.79% |
| Greek | 1,848 | 0.64%, see rank | 0.40% | 0.42% |
| Hungarian | 1,665 | 0.58%, see rank | 0.42% | 0.48% |
| Irish | 46,337 | 16.01%, see rank | 12.52% | 11.36% |
| Italian | 21,100 | 7.29%, see rank | 5.22% | 5.66% |
| Norwegian | 8,455 | 2.92%, see rank | 2.26% | 1.46% |
| Polish | 10,775 | 3.72%, see rank | 2.55% | 3.13% |
| Portuguese | 1,002 | 0.35%, see rank | 0.20% | 0.46% |
| Russian | 3,766 | 1.30%, see rank | 1.15% | 0.97% |
| Scotch-Irish | 4,368 | 1.51%, see rank | 1.37% | 1.07% |
| Scottish | 9,495 | 3.28%, see rank | 2.69% | 1.81% |
| Subsaharan African | 646 | 0.22%, see rank | 0.64% | 0.93% |
| Swedish | 10,190 | 3.52%, see rank | 2.64% | 1.34% |
| Swiss | 1,643 | 0.57%, see rank | 0.48% | 0.31% |
| Ukrainian | 804 | 0.28%, see rank | 0.25% | 0.31% |
| American | 14,500 | 5.01%, see rank | 4.88% | 6.72% |
| Welsh | 3,457 | 1.19%, see rank | 0.93% | 0.60% |
ACS 2006-2010 data
253,850 (92.01%) out of the total population of 275,900 reported first ancestry.
| Douglas County School District RE-1 | % of the Total Population | Colorado | U.S. | |
| Arab | 1,010 | 0.37%, see rank | 0.33% | 0.50% |
| Czech | 2,739 | 0.99%, see rank | 0.78% | 0.53% |
| Danish | 3,501 | 1.27%, see rank | 0.95% | 0.48% |
| Dutch | 7,466 | 2.71%, see rank | 1.98% | 1.63% |
| English | 40,943 | 14.84%, see rank | 11.90% | 9.02% |
| French | 13,767 | 4.99%, see rank | 3.96% | 3.77% |
| German | 77,650 | 28.14%, see rank | 22.99% | 16.51% |
| Greek | 1,534 | 0.56%, see rank | 0.40% | 0.44% |
| Hungarian | 1,562 | 0.57%, see rank | 0.43% | 0.51% |
| Irish | 45,936 | 16.65%, see rank | 12.87% | 11.76% |
| Italian | 19,731 | 7.15%, see rank | 5.18% | 5.78% |
| Norwegian | 8,198 | 2.97%, see rank | 2.34% | 1.51% |
| Polish | 9,779 | 3.54%, see rank | 2.54% | 3.24% |
| Portuguese | 1,021 | 0.37%, see rank | 0.22% | 0.47% |
| Russian | 4,453 | 1.61%, see rank | 1.23% | 1.01% |
| Scotch-Irish | 6,705 | 2.43%, see rank | 2.21% | 1.72% |
| Scottish | 9,975 | 3.62%, see rank | 2.86% | 1.92% |
| Subsaharan African | 800 | 0.29%, see rank | 0.55% | 0.91% |
| Swedish | 10,195 | 3.70%, see rank | 2.81% | 1.41% |
| Swiss | 1,809 | 0.66%, see rank | 0.52% | 0.33% |
| Ukrainian | 875 | 0.32%, see rank | 0.27% | 0.31% |
| American | 13,094 | 4.75%, see rank | 4.46% | 6.28% |
| Welsh | 3,434 | 1.24%, see rank | 0.96% | 0.63% |
ACS 2005-2009 data
250,251 (92.18%) out of the total population of 271,488 reported first ancestry.
| Douglas County School District RE-1 | % of the Total Population | Colorado | U.S. | |
| Arab | 1,028 | 0.38%, see rank | 0.33% | 0.50% |
| Czech | 3,082 | 1.14%, see rank | 0.80% | 0.54% |
| Danish | 3,557 | 1.31%, see rank | 0.99% | 0.49% |
| Dutch | 7,066 | 2.60%, see rank | 2.06% | 1.68% |
| English | 40,595 | 14.95%, see rank | 12.26% | 9.29% |
| French | 13,658 | 5.03%, see rank | 4.07% | 3.90% |
| German | 77,600 | 28.58%, see rank | 23.49% | 16.89% |
| Greek | 1,295 | 0.48%, see rank | 0.42% | 0.45% |
| Hungarian | 1,524 | 0.56%, see rank | 0.45% | 0.52% |
| Irish | 45,475 | 16.75%, see rank | 13.00% | 12.01% |
| Italian | 17,173 | 6.33%, see rank | 5.20% | 5.91% |
| Norwegian | 8,582 | 3.16%, see rank | 2.40% | 1.55% |
| Polish | 9,469 | 3.49%, see rank | 2.56% | 3.32% |
| Portuguese | 1,043 | 0.38%, see rank | 0.22% | 0.48% |
| Russian | 4,499 | 1.66%, see rank | 1.28% | 1.04% |
| Scotch-Irish | 6,646 | 2.45%, see rank | 2.31% | 1.77% |
| Scottish | 10,232 | 3.77%, see rank | 2.90% | 1.97% |
| Subsaharan African | 1,225 | 0.45%, see rank | 0.55% | 0.88% |
| Swedish | 10,816 | 3.98%, see rank | 2.84% | 1.45% |
| Swiss | 1,783 | 0.66%, see rank | 0.50% | 0.34% |
| Ukrainian | 838 | 0.31%, see rank | 0.27% | 0.32% |
| American | 12,645 | 4.66%, see rank | 4.64% | 6.43% |
| Welsh | 3,643 | 1.34%, 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.