Los Angeles County Historical First Ancestry Data
ACS 2010-2014 data
9,258,328 (92.82%) out of the total population of 9,974,203 reported first ancestry.
| Los Angeles County | % of the Total Population | California | U.S. | |
| Arab | 77,800 | 0.78%, see rank | 0.72% | 0.56% |
| Czech | 16,953 | 0.17%, see rank | 0.22% | 0.47% |
| Danish | 25,790 | 0.26%, see rank | 0.46% | 0.42% |
| Dutch | 58,637 | 0.59%, see rank | 0.99% | 1.40% |
| English | 353,996 | 3.55%, see rank | 5.94% | 8.02% |
| French | 140,607 | 1.41%, see rank | 2.15% | 3.34% |
| German | 490,102 | 4.91%, see rank | 8.51% | 15.03% |
| Greek | 30,388 | 0.30%, see rank | 0.35% | 0.41% |
| Hungarian | 33,765 | 0.34%, see rank | 0.32% | 0.46% |
| Irish | 403,265 | 4.04%, see rank | 6.69% | 10.80% |
| Italian | 262,650 | 2.63%, see rank | 3.97% | 5.52% |
| Norwegian | 58,319 | 0.58%, see rank | 1.02% | 1.42% |
| Polish | 123,990 | 1.24%, see rank | 1.32% | 3.01% |
| Portuguese | 20,327 | 0.20%, see rank | 0.91% | 0.44% |
| Russian | 150,883 | 1.51%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 35,538 | 0.36%, see rank | 0.61% | 0.99% |
| Scottish | 80,861 | 0.81%, see rank | 1.34% | 1.72% |
| Subsaharan African | 102,913 | 1.03%, see rank | 0.69% | 0.95% |
| Swedish | 64,025 | 0.64%, see rank | 1.09% | 1.27% |
| Swiss | 14,137 | 0.14%, see rank | 0.27% | 0.30% |
| Ukrainian | 24,048 | 0.24%, see rank | 0.27% | 0.31% |
| American | 280,543 | 2.81%, see rank | 3.22% | 7.12% |
| Welsh | 26,261 | 0.26%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
9,307,386 (94.59%) out of the total population of 9,840,024 reported first ancestry.
| Los Angeles County | % of the Total Population | California | U.S. | |
| Arab | 77,228 | 0.78%, see rank | 0.70% | 0.53% |
| Czech | 17,212 | 0.17%, see rank | 0.24% | 0.50% |
| Danish | 26,275 | 0.27%, see rank | 0.50% | 0.45% |
| Dutch | 61,380 | 0.62%, see rank | 1.08% | 1.51% |
| English | 372,833 | 3.79%, see rank | 6.39% | 8.53% |
| French | 146,056 | 1.48%, see rank | 2.28% | 3.54% |
| German | 517,037 | 5.25%, see rank | 9.10% | 15.79% |
| Greek | 29,087 | 0.30%, see rank | 0.35% | 0.42% |
| Hungarian | 33,751 | 0.34%, see rank | 0.34% | 0.48% |
| Irish | 415,091 | 4.22%, see rank | 7.13% | 11.36% |
| Italian | 268,619 | 2.73%, see rank | 4.08% | 5.66% |
| Norwegian | 59,460 | 0.60%, see rank | 1.06% | 1.46% |
| Polish | 124,753 | 1.27%, see rank | 1.35% | 3.13% |
| Portuguese | 21,270 | 0.22%, see rank | 0.96% | 0.46% |
| Russian | 152,678 | 1.55%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 38,464 | 0.39%, see rank | 0.67% | 1.07% |
| Scottish | 85,092 | 0.86%, see rank | 1.43% | 1.81% |
| Subsaharan African | 112,189 | 1.14%, see rank | 0.72% | 0.93% |
| Swedish | 65,791 | 0.67%, see rank | 1.16% | 1.34% |
| Swiss | 14,077 | 0.14%, see rank | 0.28% | 0.31% |
| Ukrainian | 22,273 | 0.23%, see rank | 0.26% | 0.31% |
| American | 240,306 | 2.44%, see rank | 2.78% | 6.72% |
| Welsh | 27,082 | 0.28%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
9,304,029 (95.35%) out of the total population of 9,758,256 reported first ancestry.
| Los Angeles County | % of the Total Population | California | U.S. | |
| Arab | 71,797 | 0.74%, see rank | 0.66% | 0.50% |
| Czech | 17,272 | 0.18%, see rank | 0.26% | 0.53% |
| Danish | 27,500 | 0.28%, see rank | 0.53% | 0.48% |
| Dutch | 64,314 | 0.66%, see rank | 1.15% | 1.63% |
| English | 389,233 | 3.99%, see rank | 6.77% | 9.02% |
| French | 146,766 | 1.50%, see rank | 2.44% | 3.77% |
| German | 538,717 | 5.52%, see rank | 9.60% | 16.51% |
| Greek | 30,178 | 0.31%, see rank | 0.38% | 0.44% |
| Hungarian | 34,997 | 0.36%, see rank | 0.36% | 0.51% |
| Irish | 424,072 | 4.35%, see rank | 7.50% | 11.76% |
| Italian | 275,862 | 2.83%, see rank | 4.21% | 5.78% |
| Norwegian | 60,602 | 0.62%, see rank | 1.10% | 1.51% |
| Polish | 126,154 | 1.29%, see rank | 1.41% | 3.24% |
| Portuguese | 23,003 | 0.24%, see rank | 1.02% | 0.47% |
| Russian | 157,023 | 1.61%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 66,233 | 0.68%, see rank | 1.19% | 1.72% |
| Scottish | 89,406 | 0.92%, see rank | 1.54% | 1.92% |
| Subsaharan African | 107,309 | 1.10%, see rank | 0.72% | 0.91% |
| Swedish | 69,428 | 0.71%, see rank | 1.25% | 1.41% |
| Swiss | 15,922 | 0.16%, see rank | 0.31% | 0.33% |
| Ukrainian | 20,562 | 0.21%, see rank | 0.26% | 0.31% |
| American | 207,551 | 2.13%, see rank | 2.43% | 6.28% |
| Welsh | 28,387 | 0.29%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
9,369,657 (95.75%) out of the total population of 9,785,295 reported first ancestry.
| Los Angeles County | % of the Total Population | California | U.S. | |
| Arab | 71,589 | 0.73%, see rank | 0.66% | 0.50% |
| Czech | 18,125 | 0.19%, see rank | 0.27% | 0.54% |
| Danish | 28,137 | 0.29%, see rank | 0.55% | 0.49% |
| Dutch | 65,300 | 0.67%, see rank | 1.19% | 1.68% |
| English | 401,425 | 4.10%, see rank | 7.02% | 9.29% |
| French | 151,456 | 1.55%, see rank | 2.56% | 3.90% |
| German | 549,599 | 5.62%, see rank | 9.93% | 16.89% |
| Greek | 29,829 | 0.30%, see rank | 0.38% | 0.45% |
| Hungarian | 36,022 | 0.37%, see rank | 0.37% | 0.52% |
| Irish | 432,097 | 4.42%, see rank | 7.79% | 12.01% |
| Italian | 280,507 | 2.87%, see rank | 4.33% | 5.91% |
| Norwegian | 61,539 | 0.63%, see rank | 1.14% | 1.55% |
| Polish | 129,388 | 1.32%, see rank | 1.45% | 3.32% |
| Portuguese | 23,165 | 0.24%, see rank | 1.05% | 0.48% |
| Russian | 156,590 | 1.60%, see rank | 1.25% | 1.04% |
| Scotch-Irish | 67,326 | 0.69%, see rank | 1.23% | 1.77% |
| Scottish | 92,263 | 0.94%, see rank | 1.61% | 1.97% |
| Subsaharan African | 99,830 | 1.02%, see rank | 0.71% | 0.88% |
| Swedish | 70,279 | 0.72%, see rank | 1.28% | 1.45% |
| Swiss | 16,292 | 0.17%, see rank | 0.32% | 0.34% |
| Ukrainian | 21,007 | 0.21%, see rank | 0.27% | 0.32% |
| American | 235,189 | 2.40%, see rank | 2.66% | 6.43% |
| Welsh | 28,869 | 0.30%, see rank | 0.52% | 0.65% |
US Census 2000 data
8,365,036 (87.87%) out of the total population of 9,519,338 reported first ancestry.
| Los Angeles County | % of the Total Population | California | U.S. | |
| Arab | 58,013 | 0.61%, see rank | 0.50% | 0.36% |
| Czech | 9,472 | 0.10%, see rank | 0.14% | 0.27% |
| Danish | 20,708 | 0.22%, see rank | 0.38% | 0.30% |
| Dutch | 41,763 | 0.44%, see rank | 0.71% | 0.91% |
| English | 278,549 | 2.93%, see rank | 4.91% | 5.91% |
| French | 95,979 | 1.01%, see rank | 1.57% | 2.39% |
| German | 351,746 | 3.70%, see rank | 6.45% | 10.81% |
| Greek | 21,770 | 0.23%, see rank | 0.29% | 0.34% |
| Hungarian | 29,194 | 0.31%, see rank | 0.27% | 0.32% |
| Irish | 267,746 | 2.81%, see rank | 4.72% | 6.85% |
| Italian | 214,671 | 2.26%, see rank | 3.41% | 4.59% |
| Norwegian | 50,254 | 0.53%, see rank | 0.92% | 1.15% |
| Polish | 80,827 | 0.85%, see rank | 0.95% | 2.24% |
| Portuguese | 13,778 | 0.14%, see rank | 0.75% | 0.33% |
| Russian | 115,983 | 1.22%, see rank | 0.90% | 0.68% |
| Scotch-Irish | 52,685 | 0.55%, see rank | 0.87% | 1.17% |
| Scottish | 57,898 | 0.61%, see rank | 1.00% | 1.12% |
| Subsaharan African | 61,246 | 0.64%, see rank | 0.51% | 0.61% |
| Swedish | 48,427 | 0.51%, see rank | 0.86% | 0.87% |
| Swiss | 10,367 | 0.11%, see rank | 0.21% | 0.19% |
| Ukrainian | 18,666 | 0.20%, see rank | 0.20% | 0.24% |
| American | 241,868 | 2.54%, see rank | 3.37% | 7.33% |
| Welsh | 14,939 | 0.16%, 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.