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Castaic, CA Historical First Ancestry Data
ACS 2010-2014 data
16,592 (89.11%) out of the total population of 18,619 reported first ancestry.
| Castaic, CA | % of the Total Population | California | U.S. | |
| Arab | 58 | 0.31%, see rank | 0.72% | 0.56% |
| Czech | 106 | 0.57%, see rank | 0.22% | 0.47% |
| Danish | 127 | 0.68%, see rank | 0.46% | 0.42% |
| Dutch | 393 | 2.11%, see rank | 0.99% | 1.40% |
| English | 1,262 | 6.78%, see rank | 5.94% | 8.02% |
| French | 741 | 3.98%, see rank | 2.15% | 3.34% |
| German | 2,643 | 14.20%, see rank | 8.51% | 15.03% |
| Greek | 9 | 0.05%, see rank | 0.35% | 0.41% |
| Hungarian | 275 | 1.48%, see rank | 0.32% | 0.46% |
| Irish | 2,488 | 13.36%, see rank | 6.69% | 10.80% |
| Italian | 1,117 | 6.00%, see rank | 3.97% | 5.52% |
| Norwegian | 477 | 2.56%, see rank | 1.02% | 1.42% |
| Polish | 416 | 2.23%, see rank | 1.32% | 3.01% |
| Portuguese | 11 | 0.06%, see rank | 0.91% | 0.44% |
| Russian | 306 | 1.64%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 85 | 0.46%, see rank | 0.61% | 0.99% |
| Scottish | 231 | 1.24%, see rank | 1.34% | 1.72% |
| Subsaharan African | 73 | 0.39%, see rank | 0.69% | 0.95% |
| Swedish | 563 | 3.02%, see rank | 1.09% | 1.27% |
| Swiss | 45 | 0.24%, see rank | 0.27% | 0.30% |
| Ukrainian | 94 | 0.50%, see rank | 0.27% | 0.31% |
| American | 844 | 4.53%, see rank | 3.22% | 7.12% |
| Welsh | 148 | 0.79%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
16,959 (91.13%) out of the total population of 18,610 reported first ancestry.
| Castaic, CA | % of the Total Population | California | U.S. | |
| Arab | 197 | 1.06%, see rank | 0.70% | 0.53% |
| Czech | 98 | 0.53%, see rank | 0.24% | 0.50% |
| Danish | 148 | 0.80%, see rank | 0.50% | 0.45% |
| Dutch | 438 | 2.35%, see rank | 1.08% | 1.51% |
| English | 1,448 | 7.78%, see rank | 6.39% | 8.53% |
| French | 1,127 | 6.06%, see rank | 2.28% | 3.54% |
| German | 2,696 | 14.49%, see rank | 9.10% | 15.79% |
| Greek | 4 | 0.02%, see rank | 0.35% | 0.42% |
| Hungarian | 283 | 1.52%, see rank | 0.34% | 0.48% |
| Irish | 2,779 | 14.93%, see rank | 7.13% | 11.36% |
| Italian | 1,539 | 8.27%, see rank | 4.08% | 5.66% |
| Norwegian | 447 | 2.40%, see rank | 1.06% | 1.46% |
| Polish | 336 | 1.81%, see rank | 1.35% | 3.13% |
| Portuguese | 22 | 0.12%, see rank | 0.96% | 0.46% |
| Russian | 350 | 1.88%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 97 | 0.52%, see rank | 0.67% | 1.07% |
| Scottish | 202 | 1.09%, see rank | 1.43% | 1.81% |
| Subsaharan African | 127 | 0.68%, see rank | 0.72% | 0.93% |
| Swedish | 272 | 1.46%, see rank | 1.16% | 1.34% |
| Swiss | 35 | 0.19%, see rank | 0.28% | 0.31% |
| Ukrainian | 56 | 0.30%, see rank | 0.26% | 0.31% |
| American | 598 | 3.21%, see rank | 2.78% | 6.72% |
| Welsh | 127 | 0.68%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
16,855 (92.95%) out of the total population of 18,134 reported first ancestry.
| Castaic, CA | % of the Total Population | California | U.S. | |
| Arab | 257 | 1.42%, see rank | 0.66% | 0.50% |
| Czech | 63 | 0.35%, see rank | 0.26% | 0.53% |
| Danish | 255 | 1.41%, see rank | 0.53% | 0.48% |
| Dutch | 557 | 3.07%, see rank | 1.15% | 1.63% |
| English | 1,774 | 9.78%, see rank | 6.77% | 9.02% |
| French | 574 | 3.17%, see rank | 2.44% | 3.77% |
| German | 2,852 | 15.73%, see rank | 9.60% | 16.51% |
| Greek | 0 | 0.00%, see rank | 0.38% | 0.44% |
| Hungarian | 301 | 1.66%, see rank | 0.36% | 0.51% |
| Irish | 2,163 | 11.93%, see rank | 7.50% | 11.76% |
| Italian | 1,508 | 8.32%, see rank | 4.21% | 5.78% |
| Norwegian | 505 | 2.78%, see rank | 1.10% | 1.51% |
| Polish | 392 | 2.16%, see rank | 1.41% | 3.24% |
| Portuguese | 26 | 0.14%, see rank | 1.02% | 0.47% |
| Russian | 453 | 2.50%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 201 | 1.11%, see rank | 1.19% | 1.72% |
| Scottish | 204 | 1.12%, see rank | 1.54% | 1.92% |
| Subsaharan African | 85 | 0.47%, see rank | 0.72% | 0.91% |
| Swedish | 465 | 2.56%, see rank | 1.25% | 1.41% |
| Swiss | 0 | 0.00%, see rank | 0.31% | 0.33% |
| Ukrainian | 0 | 0.00%, see rank | 0.26% | 0.31% |
| American | 569 | 3.14%, see rank | 2.43% | 6.28% |
| Welsh | 98 | 0.54%, 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.