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Rancho Santa Margarita, CA Historical First Ancestry Data
ACS 2010-2014 data
44,872 (92.03%) out of the total population of 48,758 reported first ancestry.
| Rancho Santa Margarita, CA | % of the Total Population | California | U.S. | |
| Arab | 421 | 0.86%, see rank | 0.72% | 0.56% |
| Czech | 213 | 0.44%, see rank | 0.22% | 0.47% |
| Danish | 445 | 0.91%, see rank | 0.46% | 0.42% |
| Dutch | 620 | 1.27%, see rank | 0.99% | 1.40% |
| English | 5,528 | 11.34%, see rank | 5.94% | 8.02% |
| French | 1,539 | 3.16%, see rank | 2.15% | 3.34% |
| German | 8,347 | 17.12%, see rank | 8.51% | 15.03% |
| Greek | 154 | 0.32%, see rank | 0.35% | 0.41% |
| Hungarian | 242 | 0.50%, see rank | 0.32% | 0.46% |
| Irish | 6,453 | 13.23%, see rank | 6.69% | 10.80% |
| Italian | 4,374 | 8.97%, see rank | 3.97% | 5.52% |
| Norwegian | 1,238 | 2.54%, see rank | 1.02% | 1.42% |
| Polish | 1,817 | 3.73%, see rank | 1.32% | 3.01% |
| Portuguese | 481 | 0.99%, see rank | 0.91% | 0.44% |
| Russian | 726 | 1.49%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 375 | 0.77%, see rank | 0.61% | 0.99% |
| Scottish | 1,395 | 2.86%, see rank | 1.34% | 1.72% |
| Subsaharan African | 213 | 0.44%, see rank | 0.69% | 0.95% |
| Swedish | 1,146 | 2.35%, see rank | 1.09% | 1.27% |
| Swiss | 440 | 0.90%, see rank | 0.27% | 0.30% |
| Ukrainian | 220 | 0.45%, see rank | 0.27% | 0.31% |
| American | 1,746 | 3.58%, see rank | 3.22% | 7.12% |
| Welsh | 416 | 0.85%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
44,879 (93.34%) out of the total population of 48,081 reported first ancestry.
| Rancho Santa Margarita, CA | % of the Total Population | California | U.S. | |
| Arab | 298 | 0.62%, see rank | 0.70% | 0.53% |
| Czech | 158 | 0.33%, see rank | 0.24% | 0.50% |
| Danish | 407 | 0.85%, see rank | 0.50% | 0.45% |
| Dutch | 832 | 1.73%, see rank | 1.08% | 1.51% |
| English | 4,635 | 9.64%, see rank | 6.39% | 8.53% |
| French | 1,470 | 3.06%, see rank | 2.28% | 3.54% |
| German | 8,862 | 18.43%, see rank | 9.10% | 15.79% |
| Greek | 160 | 0.33%, see rank | 0.35% | 0.42% |
| Hungarian | 155 | 0.32%, see rank | 0.34% | 0.48% |
| Irish | 7,114 | 14.80%, see rank | 7.13% | 11.36% |
| Italian | 4,004 | 8.33%, see rank | 4.08% | 5.66% |
| Norwegian | 754 | 1.57%, see rank | 1.06% | 1.46% |
| Polish | 1,833 | 3.81%, see rank | 1.35% | 3.13% |
| Portuguese | 515 | 1.07%, see rank | 0.96% | 0.46% |
| Russian | 579 | 1.20%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 370 | 0.77%, see rank | 0.67% | 1.07% |
| Scottish | 1,552 | 3.23%, see rank | 1.43% | 1.81% |
| Subsaharan African | 50 | 0.10%, see rank | 0.72% | 0.93% |
| Swedish | 993 | 2.07%, see rank | 1.16% | 1.34% |
| Swiss | 334 | 0.69%, see rank | 0.28% | 0.31% |
| Ukrainian | 73 | 0.15%, see rank | 0.26% | 0.31% |
| American | 1,564 | 3.25%, see rank | 2.78% | 6.72% |
| Welsh | 163 | 0.34%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
44,247 (93.08%) out of the total population of 47,539 reported first ancestry.
| Rancho Santa Margarita, CA | % of the Total Population | California | U.S. | |
| Arab | 376 | 0.79%, see rank | 0.66% | 0.50% |
| Czech | 338 | 0.71%, see rank | 0.26% | 0.53% |
| Danish | 401 | 0.84%, see rank | 0.53% | 0.48% |
| Dutch | 961 | 2.02%, see rank | 1.15% | 1.63% |
| English | 4,607 | 9.69%, see rank | 6.77% | 9.02% |
| French | 1,799 | 3.78%, see rank | 2.44% | 3.77% |
| German | 9,193 | 19.34%, see rank | 9.60% | 16.51% |
| Greek | 191 | 0.40%, see rank | 0.38% | 0.44% |
| Hungarian | 231 | 0.49%, see rank | 0.36% | 0.51% |
| Irish | 7,393 | 15.55%, see rank | 7.50% | 11.76% |
| Italian | 3,838 | 8.07%, see rank | 4.21% | 5.78% |
| Norwegian | 797 | 1.68%, see rank | 1.10% | 1.51% |
| Polish | 2,047 | 4.31%, see rank | 1.41% | 3.24% |
| Portuguese | 348 | 0.73%, see rank | 1.02% | 0.47% |
| Russian | 503 | 1.06%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 702 | 1.48%, see rank | 1.19% | 1.72% |
| Scottish | 2,192 | 4.61%, see rank | 1.54% | 1.92% |
| Subsaharan African | 72 | 0.15%, see rank | 0.72% | 0.91% |
| Swedish | 979 | 2.06%, see rank | 1.25% | 1.41% |
| Swiss | 251 | 0.53%, see rank | 0.31% | 0.33% |
| Ukrainian | 61 | 0.13%, see rank | 0.26% | 0.31% |
| American | 1,469 | 3.09%, see rank | 2.43% | 6.28% |
| Welsh | 278 | 0.58%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
45,915 (93.65%) out of the total population of 49,026 reported first ancestry.
| Rancho Santa Margarita, CA | % of the Total Population | California | U.S. | |
| Arab | 365 | 0.74%, see rank | 0.66% | 0.50% |
| Czech | 358 | 0.73%, see rank | 0.27% | 0.54% |
| Danish | 461 | 0.94%, see rank | 0.55% | 0.49% |
| Dutch | 1,078 | 2.20%, see rank | 1.19% | 1.68% |
| English | 4,609 | 9.40%, see rank | 7.02% | 9.29% |
| French | 2,011 | 4.10%, see rank | 2.56% | 3.90% |
| German | 9,575 | 19.53%, see rank | 9.93% | 16.89% |
| Greek | 191 | 0.39%, see rank | 0.38% | 0.45% |
| Hungarian | 319 | 0.65%, see rank | 0.37% | 0.52% |
| Irish | 8,086 | 16.49%, see rank | 7.79% | 12.01% |
| Italian | 3,997 | 8.15%, see rank | 4.33% | 5.91% |
| Norwegian | 884 | 1.80%, see rank | 1.14% | 1.55% |
| Polish | 2,207 | 4.50%, see rank | 1.45% | 3.32% |
| Portuguese | 78 | 0.16%, see rank | 1.05% | 0.48% |
| Russian | 598 | 1.22%, see rank | 1.25% | 1.04% |
| Scotch-Irish | 908 | 1.85%, see rank | 1.23% | 1.77% |
| Scottish | 2,038 | 4.16%, see rank | 1.61% | 1.97% |
| Subsaharan African | 91 | 0.19%, see rank | 0.71% | 0.88% |
| Swedish | 931 | 1.90%, see rank | 1.28% | 1.45% |
| Swiss | 207 | 0.42%, see rank | 0.32% | 0.34% |
| Ukrainian | 47 | 0.10%, see rank | 0.27% | 0.32% |
| American | 1,490 | 3.04%, see rank | 2.66% | 6.43% |
| Welsh | 447 | 0.91%, see rank | 0.52% | 0.65% |
US Census 2000 data
42,107 (89.18%) out of the total population of 47,214 reported first ancestry.
| Rancho Santa Margarita, CA | % of the Total Population | California | U.S. | |
| Arab | 270 | 0.57%, see rank | 0.50% | 0.36% |
| Czech | 88 | 0.19%, see rank | 0.14% | 0.27% |
| Danish | 285 | 0.60%, see rank | 0.38% | 0.30% |
| Dutch | 454 | 0.96%, see rank | 0.71% | 0.91% |
| English | 3,752 | 7.95%, see rank | 4.91% | 5.91% |
| French | 1,693 | 3.59%, see rank | 1.57% | 2.39% |
| German | 5,529 | 11.71%, see rank | 6.45% | 10.81% |
| Greek | 218 | 0.46%, see rank | 0.29% | 0.34% |
| Hungarian | 187 | 0.40%, see rank | 0.27% | 0.32% |
| Irish | 3,804 | 8.06%, see rank | 4.72% | 6.85% |
| Italian | 3,200 | 6.78%, see rank | 3.41% | 4.59% |
| Norwegian | 649 | 1.37%, see rank | 0.92% | 1.15% |
| Polish | 1,239 | 2.62%, see rank | 0.95% | 2.24% |
| Portuguese | 206 | 0.44%, see rank | 0.75% | 0.33% |
| Russian | 336 | 0.71%, see rank | 0.90% | 0.68% |
| Scotch-Irish | 528 | 1.12%, see rank | 0.87% | 1.17% |
| Scottish | 988 | 2.09%, see rank | 1.00% | 1.12% |
| Subsaharan African | 97 | 0.21%, see rank | 0.51% | 0.61% |
| Swedish | 988 | 2.09%, see rank | 0.86% | 0.87% |
| Swiss | 132 | 0.28%, see rank | 0.21% | 0.19% |
| Ukrainian | 119 | 0.25%, see rank | 0.20% | 0.24% |
| American | 2,092 | 4.43%, see rank | 3.37% | 7.33% |
| Welsh | 162 | 0.34%, see rank | 0.27% | 0.31% |
* 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.