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Twin Rivers Unified School District Historical First Ancestry Data
ACS 2010-2014 data
144,750 (90.95%) out of the total population of 159,155 reported first ancestry.
| Twin Rivers Unified School District | % of the Total Population | California | U.S. | |
| Arab | 519 | 0.33%, see rank | 0.72% | 0.56% |
| Czech | 274 | 0.17%, see rank | 0.22% | 0.47% |
| Danish | 623 | 0.39%, see rank | 0.46% | 0.42% |
| Dutch | 2,101 | 1.32%, see rank | 0.99% | 1.40% |
| English | 9,249 | 5.81%, see rank | 5.94% | 8.02% |
| French | 3,572 | 2.24%, see rank | 2.15% | 3.34% |
| German | 14,230 | 8.94%, see rank | 8.51% | 15.03% |
| Greek | 494 | 0.31%, see rank | 0.35% | 0.41% |
| Hungarian | 324 | 0.20%, see rank | 0.32% | 0.46% |
| Irish | 11,202 | 7.04%, see rank | 6.69% | 10.80% |
| Italian | 5,061 | 3.18%, see rank | 3.97% | 5.52% |
| Norwegian | 1,180 | 0.74%, see rank | 1.02% | 1.42% |
| Polish | 1,122 | 0.70%, see rank | 1.32% | 3.01% |
| Portuguese | 1,653 | 1.04%, see rank | 0.91% | 0.44% |
| Russian | 4,653 | 2.92%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 998 | 0.63%, see rank | 0.61% | 0.99% |
| Scottish | 1,711 | 1.08%, see rank | 1.34% | 1.72% |
| Subsaharan African | 1,357 | 0.85%, see rank | 0.69% | 0.95% |
| Swedish | 1,340 | 0.84%, see rank | 1.09% | 1.27% |
| Swiss | 256 | 0.16%, see rank | 0.27% | 0.30% |
| Ukrainian | 4,683 | 2.94%, see rank | 0.27% | 0.31% |
| American | 4,764 | 2.99%, see rank | 3.22% | 7.12% |
| Welsh | 603 | 0.38%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
145,807 (92.56%) out of the total population of 157,519 reported first ancestry.
| Twin Rivers Unified School District | % of the Total Population | California | U.S. | |
| Arab | 191 | 0.12%, see rank | 0.70% | 0.53% |
| Czech | 274 | 0.17%, see rank | 0.24% | 0.50% |
| Danish | 584 | 0.37%, see rank | 0.50% | 0.45% |
| Dutch | 2,035 | 1.29%, see rank | 1.08% | 1.51% |
| English | 8,542 | 5.42%, see rank | 6.39% | 8.53% |
| French | 3,599 | 2.28%, see rank | 2.28% | 3.54% |
| German | 14,949 | 9.49%, see rank | 9.10% | 15.79% |
| Greek | 473 | 0.30%, see rank | 0.35% | 0.42% |
| Hungarian | 297 | 0.19%, see rank | 0.34% | 0.48% |
| Irish | 12,074 | 7.67%, see rank | 7.13% | 11.36% |
| Italian | 5,731 | 3.64%, see rank | 4.08% | 5.66% |
| Norwegian | 1,220 | 0.77%, see rank | 1.06% | 1.46% |
| Polish | 1,387 | 0.88%, see rank | 1.35% | 3.13% |
| Portuguese | 1,941 | 1.23%, see rank | 0.96% | 0.46% |
| Russian | 3,557 | 2.26%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 1,180 | 0.75%, see rank | 0.67% | 1.07% |
| Scottish | 1,664 | 1.06%, see rank | 1.43% | 1.81% |
| Subsaharan African | 1,012 | 0.64%, see rank | 0.72% | 0.93% |
| Swedish | 1,372 | 0.87%, see rank | 1.16% | 1.34% |
| Swiss | 455 | 0.29%, see rank | 0.28% | 0.31% |
| Ukrainian | 5,229 | 3.32%, see rank | 0.26% | 0.31% |
| American | 5,114 | 3.25%, see rank | 2.78% | 6.72% |
| Welsh | 540 | 0.34%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
145,605 (92.85%) out of the total population of 156,816 reported first ancestry.
| Twin Rivers Unified School District | % of the Total Population | California | U.S. | |
| Arab | 257 | 0.16%, see rank | 0.66% | 0.50% |
| Czech | 219 | 0.14%, see rank | 0.26% | 0.53% |
| Danish | 495 | 0.32%, see rank | 0.53% | 0.48% |
| Dutch | 2,410 | 1.54%, see rank | 1.15% | 1.63% |
| English | 9,384 | 5.98%, see rank | 6.77% | 9.02% |
| French | 3,378 | 2.15%, see rank | 2.44% | 3.77% |
| German | 15,603 | 9.95%, see rank | 9.60% | 16.51% |
| Greek | 687 | 0.44%, see rank | 0.38% | 0.44% |
| Hungarian | 443 | 0.28%, see rank | 0.36% | 0.51% |
| Irish | 13,354 | 8.52%, see rank | 7.50% | 11.76% |
| Italian | 6,223 | 3.97%, see rank | 4.21% | 5.78% |
| Norwegian | 1,425 | 0.91%, see rank | 1.10% | 1.51% |
| Polish | 1,550 | 0.99%, see rank | 1.41% | 3.24% |
| Portuguese | 2,326 | 1.48%, see rank | 1.02% | 0.47% |
| Russian | 3,421 | 2.18%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 1,974 | 1.26%, see rank | 1.19% | 1.72% |
| Scottish | 2,229 | 1.42%, see rank | 1.54% | 1.92% |
| Subsaharan African | 1,709 | 1.09%, see rank | 0.72% | 0.91% |
| Swedish | 1,646 | 1.05%, see rank | 1.25% | 1.41% |
| Swiss | 421 | 0.27%, see rank | 0.31% | 0.33% |
| Ukrainian | 3,889 | 2.48%, see rank | 0.26% | 0.31% |
| American | 5,095 | 3.25%, see rank | 2.43% | 6.28% |
| Welsh | 721 | 0.46%, see rank | 0.49% | 0.63% |
* 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.