Mason City Micro Area Historical First Ancestry Data
ACS 2010-2014 data
43,435 (84.71%) out of the total population of 51,274 reported first ancestry.
| Mason City Area | % of the Total Population | Iowa | U.S. | |
| Arab | 27 | 0.05%, see rank | 0.27% | 0.56% |
| Czech | 1,299 | 2.53%, see rank | 1.89% | 0.47% |
| Danish | 1,346 | 2.63%, see rank | 1.86% | 0.42% |
| Dutch | 1,352 | 2.64%, see rank | 4.35% | 1.40% |
| English | 4,606 | 8.98%, see rank | 8.78% | 8.02% |
| French | 1,091 | 2.13%, see rank | 2.60% | 3.34% |
| German | 20,221 | 39.44%, see rank | 36.73% | 15.03% |
| Greek | 404 | 0.79%, see rank | 0.22% | 0.41% |
| Hungarian | 28 | 0.05%, see rank | 0.12% | 0.46% |
| Irish | 6,349 | 12.38%, see rank | 14.07% | 10.80% |
| Italian | 893 | 1.74%, see rank | 2.10% | 5.52% |
| Norwegian | 9,016 | 17.58%, see rank | 5.34% | 1.42% |
| Polish | 563 | 1.10%, see rank | 1.28% | 3.01% |
| Portuguese | 58 | 0.11%, see rank | 0.06% | 0.44% |
| Russian | 157 | 0.31%, see rank | 0.36% | 0.92% |
| Scotch-Irish | 498 | 0.97%, see rank | 0.85% | 0.99% |
| Scottish | 617 | 1.20%, see rank | 1.51% | 1.72% |
| Subsaharan African | 61 | 0.12%, see rank | 0.56% | 0.95% |
| Swedish | 1,425 | 2.78%, see rank | 2.92% | 1.27% |
| Swiss | 130 | 0.25%, see rank | 0.47% | 0.30% |
| Ukrainian | 19 | 0.04%, see rank | 0.09% | 0.31% |
| American | 2,799 | 5.46%, see rank | 6.36% | 7.12% |
| Welsh | 332 | 0.65%, see rank | 0.67% | 0.57% |
ACS 2008-2012 data
44,863 (86.84%) out of the total population of 51,664 reported first ancestry.
| Mason City Area | % of the Total Population | Iowa | U.S. | |
| Arab | 42 | 0.08%, see rank | 0.21% | 0.53% |
| Czech | 1,361 | 2.63%, see rank | 1.99% | 0.50% |
| Danish | 1,291 | 2.50%, see rank | 2.04% | 0.45% |
| Dutch | 1,338 | 2.59%, see rank | 4.70% | 1.51% |
| English | 5,108 | 9.89%, see rank | 9.27% | 8.53% |
| French | 1,295 | 2.51%, see rank | 2.82% | 3.54% |
| German | 21,145 | 40.93%, see rank | 38.44% | 15.79% |
| Greek | 372 | 0.72%, see rank | 0.23% | 0.42% |
| Hungarian | 58 | 0.11%, see rank | 0.12% | 0.48% |
| Irish | 6,838 | 13.24%, see rank | 14.91% | 11.36% |
| Italian | 950 | 1.84%, see rank | 2.14% | 5.66% |
| Norwegian | 9,460 | 18.31%, see rank | 5.56% | 1.46% |
| Polish | 596 | 1.15%, see rank | 1.31% | 3.13% |
| Portuguese | 71 | 0.14%, see rank | 0.06% | 0.46% |
| Russian | 152 | 0.29%, see rank | 0.38% | 0.97% |
| Scotch-Irish | 497 | 0.96%, see rank | 0.95% | 1.07% |
| Scottish | 851 | 1.65%, see rank | 1.58% | 1.81% |
| Subsaharan African | 55 | 0.11%, see rank | 0.54% | 0.93% |
| Swedish | 1,503 | 2.91%, see rank | 3.15% | 1.34% |
| Swiss | 217 | 0.42%, see rank | 0.50% | 0.31% |
| Ukrainian | 138 | 0.27%, see rank | 0.09% | 0.31% |
| American | 2,426 | 4.70%, see rank | 5.98% | 6.72% |
| Welsh | 293 | 0.57%, see rank | 0.71% | 0.60% |
ACS 2006-2010 data
46,468 (89.44%) out of the total population of 51,952 reported first ancestry.
| Mason City Area | % of the Total Population | Iowa | U.S. | |
| Arab | 90 | 0.17%, see rank | 0.17% | 0.50% |
| Czech | 1,347 | 2.59%, see rank | 2.07% | 0.53% |
| Danish | 1,411 | 2.72%, see rank | 2.20% | 0.48% |
| Dutch | 1,346 | 2.59%, see rank | 4.90% | 1.63% |
| English | 5,434 | 10.46%, see rank | 9.85% | 9.02% |
| French | 1,546 | 2.98%, see rank | 3.05% | 3.77% |
| German | 22,580 | 43.46%, see rank | 39.79% | 16.51% |
| Greek | 387 | 0.74%, see rank | 0.24% | 0.44% |
| Hungarian | 53 | 0.10%, see rank | 0.14% | 0.51% |
| Irish | 6,826 | 13.14%, see rank | 15.41% | 11.76% |
| Italian | 843 | 1.62%, see rank | 2.22% | 5.78% |
| Norwegian | 9,376 | 18.05%, see rank | 5.63% | 1.51% |
| Polish | 691 | 1.33%, see rank | 1.35% | 3.24% |
| Portuguese | 92 | 0.18%, see rank | 0.07% | 0.47% |
| Russian | 236 | 0.45%, see rank | 0.36% | 1.01% |
| Scotch-Irish | 623 | 1.20%, see rank | 1.53% | 1.72% |
| Scottish | 890 | 1.71%, see rank | 1.68% | 1.92% |
| Subsaharan African | 146 | 0.28%, see rank | 0.51% | 0.91% |
| Swedish | 1,689 | 3.25%, see rank | 3.26% | 1.41% |
| Swiss | 260 | 0.50%, see rank | 0.53% | 0.33% |
| Ukrainian | 135 | 0.26%, see rank | 0.09% | 0.31% |
| American | 1,957 | 3.77%, see rank | 5.61% | 6.28% |
| Welsh | 309 | 0.59%, see rank | 0.76% | 0.63% |
ACS 2005-2009 data
46,534 (90.27%) out of the total population of 51,547 reported first ancestry.
| Mason City Area | % of the Total Population | Iowa | U.S. | |
| Arab | 180 | 0.35%, see rank | 0.15% | 0.50% |
| Czech | 1,384 | 2.68%, see rank | 2.12% | 0.54% |
| Danish | 1,441 | 2.80%, see rank | 2.25% | 0.49% |
| Dutch | 1,422 | 2.76%, see rank | 5.01% | 1.68% |
| English | 5,558 | 10.78%, see rank | 10.07% | 9.29% |
| French | 1,643 | 3.19%, see rank | 3.19% | 3.90% |
| German | 22,163 | 43.00%, see rank | 40.46% | 16.89% |
| Greek | 295 | 0.57%, see rank | 0.24% | 0.45% |
| Hungarian | 64 | 0.12%, see rank | 0.14% | 0.52% |
| Irish | 7,089 | 13.75%, see rank | 15.67% | 12.01% |
| Italian | 743 | 1.44%, see rank | 2.18% | 5.91% |
| Norwegian | 9,087 | 17.63%, see rank | 5.67% | 1.55% |
| Polish | 774 | 1.50%, see rank | 1.39% | 3.32% |
| Portuguese | 61 | 0.12%, see rank | 0.07% | 0.48% |
| Russian | 275 | 0.53%, see rank | 0.37% | 1.04% |
| Scotch-Irish | 590 | 1.14%, see rank | 1.58% | 1.77% |
| Scottish | 839 | 1.63%, see rank | 1.72% | 1.97% |
| Subsaharan African | 157 | 0.30%, see rank | 0.41% | 0.88% |
| Swedish | 1,769 | 3.43%, see rank | 3.30% | 1.45% |
| Swiss | 263 | 0.51%, see rank | 0.56% | 0.34% |
| Ukrainian | 101 | 0.20%, see rank | 0.09% | 0.32% |
| American | 2,099 | 4.07%, see rank | 5.67% | 6.43% |
| Welsh | 316 | 0.61%, see rank | 0.78% | 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.