Spearfish Micro Area Historical First Ancestry Data
ACS 2010-2014 data
21,026 (85.90%) out of the total population of 24,478 reported first ancestry.
| Spearfish Area | % of the Total Population | South Dakota | U.S. | |
| Arab | 3 | 0.01%, see rank | 0.20% | 0.56% |
| Czech | 392 | 1.60%, see rank | 2.18% | 0.47% |
| Danish | 383 | 1.56%, see rank | 2.02% | 0.42% |
| Dutch | 1,019 | 4.16%, see rank | 4.76% | 1.40% |
| English | 2,523 | 10.31%, see rank | 5.90% | 8.02% |
| French | 1,006 | 4.11%, see rank | 2.95% | 3.34% |
| German | 9,902 | 40.45%, see rank | 40.25% | 15.03% |
| Greek | 0 | 0.00%, see rank | 0.13% | 0.41% |
| Hungarian | 63 | 0.26%, see rank | 0.13% | 0.46% |
| Irish | 3,006 | 12.28%, see rank | 10.86% | 10.80% |
| Italian | 416 | 1.70%, see rank | 1.34% | 5.52% |
| Norwegian | 2,593 | 10.59%, see rank | 13.86% | 1.42% |
| Polish | 472 | 1.93%, see rank | 1.58% | 3.01% |
| Portuguese | 2 | 0.01%, see rank | 0.08% | 0.44% |
| Russian | 520 | 2.12%, see rank | 1.31% | 0.92% |
| Scotch-Irish | 221 | 0.90%, see rank | 0.58% | 0.99% |
| Scottish | 723 | 2.95%, see rank | 1.17% | 1.72% |
| Subsaharan African | 79 | 0.32%, see rank | 0.58% | 0.95% |
| Swedish | 731 | 2.99%, see rank | 3.40% | 1.27% |
| Swiss | 200 | 0.82%, see rank | 0.39% | 0.30% |
| Ukrainian | 107 | 0.44%, see rank | 0.17% | 0.31% |
| American | 1,188 | 4.85%, see rank | 3.84% | 7.12% |
| Welsh | 255 | 1.04%, see rank | 0.52% | 0.57% |
ACS 2008-2012 data
21,366 (88.79%) out of the total population of 24,063 reported first ancestry.
| Spearfish Area | % of the Total Population | South Dakota | U.S. | |
| Arab | 13 | 0.05%, see rank | 0.21% | 0.53% |
| Czech | 441 | 1.83%, see rank | 2.30% | 0.50% |
| Danish | 455 | 1.89%, see rank | 2.23% | 0.45% |
| Dutch | 774 | 3.22%, see rank | 4.82% | 1.51% |
| English | 2,961 | 12.31%, see rank | 6.53% | 8.53% |
| French | 1,064 | 4.42%, see rank | 3.20% | 3.54% |
| German | 10,463 | 43.48%, see rank | 41.94% | 15.79% |
| Greek | 13 | 0.05%, see rank | 0.14% | 0.42% |
| Hungarian | 40 | 0.17%, see rank | 0.15% | 0.48% |
| Irish | 3,385 | 14.07%, see rank | 11.11% | 11.36% |
| Italian | 357 | 1.48%, see rank | 1.33% | 5.66% |
| Norwegian | 2,765 | 11.49%, see rank | 14.03% | 1.46% |
| Polish | 335 | 1.39%, see rank | 1.50% | 3.13% |
| Portuguese | 0 | 0.00%, see rank | 0.09% | 0.46% |
| Russian | 523 | 2.17%, see rank | 1.52% | 0.97% |
| Scotch-Irish | 197 | 0.82%, see rank | 0.70% | 1.07% |
| Scottish | 680 | 2.83%, see rank | 1.22% | 1.81% |
| Subsaharan African | 24 | 0.10%, see rank | 0.55% | 0.93% |
| Swedish | 782 | 3.25%, see rank | 3.67% | 1.34% |
| Swiss | 183 | 0.76%, see rank | 0.35% | 0.31% |
| Ukrainian | 107 | 0.44%, see rank | 0.16% | 0.31% |
| American | 915 | 3.80%, see rank | 3.63% | 6.72% |
| Welsh | 302 | 1.26%, see rank | 0.57% | 0.60% |
ACS 2006-2010 data
21,375 (90.30%) out of the total population of 23,670 reported first ancestry.
| Spearfish Area | % of the Total Population | South Dakota | U.S. | |
| Arab | 12 | 0.05%, see rank | 0.17% | 0.50% |
| Czech | 397 | 1.68%, see rank | 2.33% | 0.53% |
| Danish | 299 | 1.26%, see rank | 2.35% | 0.48% |
| Dutch | 654 | 2.76%, see rank | 4.78% | 1.63% |
| English | 3,175 | 13.41%, see rank | 7.17% | 9.02% |
| French | 1,258 | 5.31%, see rank | 3.42% | 3.77% |
| German | 10,593 | 44.75%, see rank | 43.77% | 16.51% |
| Greek | 15 | 0.06%, see rank | 0.13% | 0.44% |
| Hungarian | 36 | 0.15%, see rank | 0.16% | 0.51% |
| Irish | 3,235 | 13.67%, see rank | 11.13% | 11.76% |
| Italian | 586 | 2.48%, see rank | 1.26% | 5.78% |
| Norwegian | 2,700 | 11.41%, see rank | 14.93% | 1.51% |
| Polish | 430 | 1.82%, see rank | 1.61% | 3.24% |
| Portuguese | 0 | 0.00%, see rank | 0.07% | 0.47% |
| Russian | 405 | 1.71%, see rank | 1.63% | 1.01% |
| Scotch-Irish | 334 | 1.41%, see rank | 1.18% | 1.72% |
| Scottish | 509 | 2.15%, see rank | 1.29% | 1.92% |
| Subsaharan African | 0 | 0.00%, see rank | 0.42% | 0.91% |
| Swedish | 889 | 3.76%, see rank | 3.82% | 1.41% |
| Swiss | 126 | 0.53%, see rank | 0.37% | 0.33% |
| Ukrainian | 25 | 0.11%, see rank | 0.15% | 0.31% |
| American | 1,047 | 4.42%, see rank | 3.48% | 6.28% |
| Welsh | 418 | 1.77%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
20,969 (90.54%) out of the total population of 23,159 reported first ancestry.
| Spearfish Area | % of the Total Population | South Dakota | U.S. | |
| Arab | 11 | 0.05%, see rank | 0.17% | 0.50% |
| Czech | 304 | 1.31%, see rank | 2.27% | 0.54% |
| Danish | 391 | 1.69%, see rank | 2.39% | 0.49% |
| Dutch | 505 | 2.18%, see rank | 5.03% | 1.68% |
| English | 2,906 | 12.55%, see rank | 7.35% | 9.29% |
| French | 1,341 | 5.79%, see rank | 3.47% | 3.90% |
| German | 9,905 | 42.77%, see rank | 44.52% | 16.89% |
| Greek | 13 | 0.06%, see rank | 0.13% | 0.45% |
| Hungarian | 46 | 0.20%, see rank | 0.16% | 0.52% |
| Irish | 3,230 | 13.95%, see rank | 11.41% | 12.01% |
| Italian | 714 | 3.08%, see rank | 1.27% | 5.91% |
| Norwegian | 2,834 | 12.24%, see rank | 15.19% | 1.55% |
| Polish | 329 | 1.42%, see rank | 1.60% | 3.32% |
| Portuguese | 0 | 0.00%, see rank | 0.07% | 0.48% |
| Russian | 402 | 1.74%, see rank | 1.68% | 1.04% |
| Scotch-Irish | 334 | 1.44%, see rank | 1.24% | 1.77% |
| Scottish | 445 | 1.92%, see rank | 1.30% | 1.97% |
| Subsaharan African | 0 | 0.00%, see rank | 0.38% | 0.88% |
| Swedish | 815 | 3.52%, see rank | 3.80% | 1.45% |
| Swiss | 76 | 0.33%, see rank | 0.38% | 0.34% |
| Ukrainian | 23 | 0.10%, see rank | 0.13% | 0.32% |
| American | 1,481 | 6.39%, see rank | 3.48% | 6.43% |
| Welsh | 283 | 1.22%, see rank | 0.46% | 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.