Rock Springs Micro Area Historical First Ancestry Data
ACS 2010-2014 data
38,188 (85.63%) out of the total population of 44,595 reported first ancestry.
| Rock Springs Area | % of the Total Population | Wyoming | U.S. | |
| Arab | 1 | 0.00%, see rank | 0.13% | 0.56% |
| Czech | 203 | 0.46%, see rank | 0.76% | 0.47% |
| Danish | 942 | 2.11%, see rank | 1.46% | 0.42% |
| Dutch | 948 | 2.13%, see rank | 2.11% | 1.40% |
| English | 7,682 | 17.23%, see rank | 13.23% | 8.02% |
| French | 1,453 | 3.26%, see rank | 3.52% | 3.34% |
| German | 8,688 | 19.48%, see rank | 25.59% | 15.03% |
| Greek | 245 | 0.55%, see rank | 0.31% | 0.41% |
| Hungarian | 204 | 0.46%, see rank | 0.34% | 0.46% |
| Irish | 5,518 | 12.37%, see rank | 12.66% | 10.80% |
| Italian | 2,466 | 5.53%, see rank | 3.25% | 5.52% |
| Norwegian | 1,007 | 2.26%, see rank | 3.44% | 1.42% |
| Polish | 1,091 | 2.45%, see rank | 1.99% | 3.01% |
| Portuguese | 34 | 0.08%, see rank | 0.18% | 0.44% |
| Russian | 408 | 0.91%, see rank | 0.79% | 0.92% |
| Scotch-Irish | 539 | 1.21%, see rank | 1.62% | 0.99% |
| Scottish | 1,935 | 4.34%, see rank | 3.10% | 1.72% |
| Subsaharan African | 72 | 0.16%, see rank | 0.18% | 0.95% |
| Swedish | 1,192 | 2.67%, see rank | 2.92% | 1.27% |
| Swiss | 109 | 0.24%, see rank | 0.55% | 0.30% |
| Ukrainian | 14 | 0.03%, see rank | 0.14% | 0.31% |
| American | 2,493 | 5.59%, see rank | 8.51% | 7.12% |
| Welsh | 583 | 1.31%, see rank | 1.05% | 0.57% |
ACS 2008-2012 data
39,112 (89.11%) out of the total population of 43,890 reported first ancestry.
| Rock Springs Area | % of the Total Population | Wyoming | U.S. | |
| Arab | 12 | 0.03%, see rank | 0.13% | 0.53% |
| Czech | 216 | 0.49%, see rank | 0.86% | 0.50% |
| Danish | 950 | 2.16%, see rank | 1.77% | 0.45% |
| Dutch | 1,076 | 2.45%, see rank | 2.33% | 1.51% |
| English | 8,333 | 18.99%, see rank | 14.85% | 8.53% |
| French | 1,723 | 3.93%, see rank | 3.91% | 3.54% |
| German | 9,241 | 21.05%, see rank | 26.98% | 15.79% |
| Greek | 196 | 0.45%, see rank | 0.34% | 0.42% |
| Hungarian | 70 | 0.16%, see rank | 0.34% | 0.48% |
| Irish | 6,181 | 14.08%, see rank | 14.26% | 11.36% |
| Italian | 2,710 | 6.17%, see rank | 3.27% | 5.66% |
| Norwegian | 1,061 | 2.42%, see rank | 3.44% | 1.46% |
| Polish | 1,073 | 2.44%, see rank | 2.21% | 3.13% |
| Portuguese | 41 | 0.09%, see rank | 0.22% | 0.46% |
| Russian | 313 | 0.71%, see rank | 0.78% | 0.97% |
| Scotch-Irish | 702 | 1.60%, see rank | 1.69% | 1.07% |
| Scottish | 2,263 | 5.16%, see rank | 3.51% | 1.81% |
| Subsaharan African | 20 | 0.05%, see rank | 0.11% | 0.93% |
| Swedish | 1,265 | 2.88%, see rank | 3.32% | 1.34% |
| Swiss | 251 | 0.57%, see rank | 0.63% | 0.31% |
| Ukrainian | 54 | 0.12%, see rank | 0.13% | 0.31% |
| American | 2,267 | 5.17%, see rank | 8.25% | 6.72% |
| Welsh | 548 | 1.25%, see rank | 1.05% | 0.60% |
ACS 2006-2010 data
38,153 (90.27%) out of the total population of 42,266 reported first ancestry.
| Rock Springs Area | % of the Total Population | Wyoming | U.S. | |
| Arab | 12 | 0.03%, see rank | 0.08% | 0.50% |
| Czech | 145 | 0.34%, see rank | 0.86% | 0.53% |
| Danish | 1,070 | 2.53%, see rank | 1.94% | 0.48% |
| Dutch | 1,248 | 2.95%, see rank | 2.41% | 1.63% |
| English | 8,043 | 19.03%, see rank | 15.67% | 9.02% |
| French | 1,606 | 3.80%, see rank | 3.94% | 3.77% |
| German | 9,486 | 22.44%, see rank | 28.75% | 16.51% |
| Greek | 255 | 0.60%, see rank | 0.48% | 0.44% |
| Hungarian | 55 | 0.13%, see rank | 0.36% | 0.51% |
| Irish | 5,498 | 13.01%, see rank | 14.62% | 11.76% |
| Italian | 3,139 | 7.43%, see rank | 3.47% | 5.78% |
| Norwegian | 1,150 | 2.72%, see rank | 3.56% | 1.51% |
| Polish | 913 | 2.16%, see rank | 2.18% | 3.24% |
| Portuguese | 50 | 0.12%, see rank | 0.24% | 0.47% |
| Russian | 348 | 0.82%, see rank | 0.89% | 1.01% |
| Scotch-Irish | 1,487 | 3.52%, see rank | 3.02% | 1.72% |
| Scottish | 1,926 | 4.56%, see rank | 3.82% | 1.92% |
| Subsaharan African | 0 | 0.00%, see rank | 0.04% | 0.91% |
| Swedish | 1,154 | 2.73%, see rank | 3.44% | 1.41% |
| Swiss | 193 | 0.46%, see rank | 0.67% | 0.33% |
| Ukrainian | 81 | 0.19%, see rank | 0.09% | 0.31% |
| American | 1,856 | 4.39%, see rank | 6.89% | 6.28% |
| Welsh | 600 | 1.42%, see rank | 1.20% | 0.63% |
ACS 2005-2009 data
35,431 (90.52%) out of the total population of 39,140 reported first ancestry.
| Rock Springs Area | % of the Total Population | Wyoming | U.S. | |
| Arab | 10 | 0.03%, see rank | 0.07% | 0.50% |
| Czech | 150 | 0.38%, see rank | 0.88% | 0.54% |
| Danish | 961 | 2.46%, see rank | 1.91% | 0.49% |
| Dutch | 1,389 | 3.55%, see rank | 2.51% | 1.68% |
| English | 7,704 | 19.68%, see rank | 16.09% | 9.29% |
| French | 1,782 | 4.55%, see rank | 4.16% | 3.90% |
| German | 9,043 | 23.10%, see rank | 28.60% | 16.89% |
| Greek | 285 | 0.73%, see rank | 0.50% | 0.45% |
| Hungarian | 70 | 0.18%, see rank | 0.32% | 0.52% |
| Irish | 5,457 | 13.94%, see rank | 14.92% | 12.01% |
| Italian | 3,036 | 7.76%, see rank | 3.56% | 5.91% |
| Norwegian | 1,403 | 3.58%, see rank | 3.72% | 1.55% |
| Polish | 722 | 1.84%, see rank | 2.26% | 3.32% |
| Portuguese | 115 | 0.29%, see rank | 0.21% | 0.48% |
| Russian | 357 | 0.91%, see rank | 0.90% | 1.04% |
| Scotch-Irish | 1,428 | 3.65%, see rank | 2.99% | 1.77% |
| Scottish | 1,493 | 3.81%, see rank | 3.81% | 1.97% |
| Subsaharan African | 31 | 0.08%, see rank | 0.09% | 0.88% |
| Swedish | 1,151 | 2.94%, see rank | 3.39% | 1.45% |
| Swiss | 174 | 0.44%, see rank | 0.59% | 0.34% |
| Ukrainian | 97 | 0.25%, see rank | 0.12% | 0.32% |
| American | 1,412 | 3.61%, see rank | 6.61% | 6.43% |
| Welsh | 562 | 1.44%, see rank | 1.29% | 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.