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San Mateo, CA Historical First Ancestry Data
ACS 2010-2014 data
91,113 (91.01%) out of the total population of 100,114 reported first ancestry.
| San Mateo, CA | % of the Total Population | California | U.S. | |
| Arab | 1,757 | 1.75%, see rank | 0.72% | 0.56% |
| Czech | 336 | 0.34%, see rank | 0.22% | 0.47% |
| Danish | 402 | 0.40%, see rank | 0.46% | 0.42% |
| Dutch | 912 | 0.91%, see rank | 0.99% | 1.40% |
| English | 6,100 | 6.09%, see rank | 5.94% | 8.02% |
| French | 2,227 | 2.22%, see rank | 2.15% | 3.34% |
| German | 9,619 | 9.61%, see rank | 8.51% | 15.03% |
| Greek | 977 | 0.98%, see rank | 0.35% | 0.41% |
| Hungarian | 395 | 0.39%, see rank | 0.32% | 0.46% |
| Irish | 8,255 | 8.25%, see rank | 6.69% | 10.80% |
| Italian | 8,230 | 8.22%, see rank | 3.97% | 5.52% |
| Norwegian | 850 | 0.85%, see rank | 1.02% | 1.42% |
| Polish | 1,818 | 1.82%, see rank | 1.32% | 3.01% |
| Portuguese | 818 | 0.82%, see rank | 0.91% | 0.44% |
| Russian | 2,220 | 2.22%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 687 | 0.69%, see rank | 0.61% | 0.99% |
| Scottish | 1,913 | 1.91%, see rank | 1.34% | 1.72% |
| Subsaharan African | 239 | 0.24%, see rank | 0.69% | 0.95% |
| Swedish | 1,531 | 1.53%, see rank | 1.09% | 1.27% |
| Swiss | 416 | 0.42%, see rank | 0.27% | 0.30% |
| Ukrainian | 533 | 0.53%, see rank | 0.27% | 0.31% |
| American | 2,248 | 2.25%, see rank | 3.22% | 7.12% |
| Welsh | 648 | 0.65%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
90,411 (92.90%) out of the total population of 97,322 reported first ancestry.
| San Mateo, CA | % of the Total Population | California | U.S. | |
| Arab | 1,720 | 1.77%, see rank | 0.70% | 0.53% |
| Czech | 373 | 0.38%, see rank | 0.24% | 0.50% |
| Danish | 432 | 0.44%, see rank | 0.50% | 0.45% |
| Dutch | 894 | 0.92%, see rank | 1.08% | 1.51% |
| English | 6,311 | 6.48%, see rank | 6.39% | 8.53% |
| French | 2,281 | 2.34%, see rank | 2.28% | 3.54% |
| German | 8,964 | 9.21%, see rank | 9.10% | 15.79% |
| Greek | 868 | 0.89%, see rank | 0.35% | 0.42% |
| Hungarian | 384 | 0.39%, see rank | 0.34% | 0.48% |
| Irish | 8,353 | 8.58%, see rank | 7.13% | 11.36% |
| Italian | 7,999 | 8.22%, see rank | 4.08% | 5.66% |
| Norwegian | 866 | 0.89%, see rank | 1.06% | 1.46% |
| Polish | 1,871 | 1.92%, see rank | 1.35% | 3.13% |
| Portuguese | 954 | 0.98%, see rank | 0.96% | 0.46% |
| Russian | 2,269 | 2.33%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 811 | 0.83%, see rank | 0.67% | 1.07% |
| Scottish | 1,669 | 1.71%, see rank | 1.43% | 1.81% |
| Subsaharan African | 220 | 0.23%, see rank | 0.72% | 0.93% |
| Swedish | 1,183 | 1.22%, see rank | 1.16% | 1.34% |
| Swiss | 405 | 0.42%, see rank | 0.28% | 0.31% |
| Ukrainian | 311 | 0.32%, see rank | 0.26% | 0.31% |
| American | 1,956 | 2.01%, see rank | 2.78% | 6.72% |
| Welsh | 536 | 0.55%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
89,536 (94.50%) out of the total population of 94,751 reported first ancestry.
| San Mateo, CA | % of the Total Population | California | U.S. | |
| Arab | 1,409 | 1.49%, see rank | 0.66% | 0.50% |
| Czech | 497 | 0.52%, see rank | 0.26% | 0.53% |
| Danish | 565 | 0.60%, see rank | 0.53% | 0.48% |
| Dutch | 995 | 1.05%, see rank | 1.15% | 1.63% |
| English | 6,445 | 6.80%, see rank | 6.77% | 9.02% |
| French | 2,782 | 2.94%, see rank | 2.44% | 3.77% |
| German | 9,482 | 10.01%, see rank | 9.60% | 16.51% |
| Greek | 776 | 0.82%, see rank | 0.38% | 0.44% |
| Hungarian | 428 | 0.45%, see rank | 0.36% | 0.51% |
| Irish | 9,085 | 9.59%, see rank | 7.50% | 11.76% |
| Italian | 7,590 | 8.01%, see rank | 4.21% | 5.78% |
| Norwegian | 864 | 0.91%, see rank | 1.10% | 1.51% |
| Polish | 1,746 | 1.84%, see rank | 1.41% | 3.24% |
| Portuguese | 938 | 0.99%, see rank | 1.02% | 0.47% |
| Russian | 2,375 | 2.51%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 1,420 | 1.50%, see rank | 1.19% | 1.72% |
| Scottish | 1,966 | 2.07%, see rank | 1.54% | 1.92% |
| Subsaharan African | 306 | 0.32%, see rank | 0.72% | 0.91% |
| Swedish | 1,100 | 1.16%, see rank | 1.25% | 1.41% |
| Swiss | 334 | 0.35%, see rank | 0.31% | 0.33% |
| Ukrainian | 327 | 0.35%, see rank | 0.26% | 0.31% |
| American | 1,430 | 1.51%, see rank | 2.43% | 6.28% |
| Welsh | 410 | 0.43%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
86,407 (94.96%) out of the total population of 90,992 reported first ancestry.
| San Mateo, CA | % of the Total Population | California | U.S. | |
| Arab | 1,244 | 1.37%, see rank | 0.66% | 0.50% |
| Czech | 344 | 0.38%, see rank | 0.27% | 0.54% |
| Danish | 482 | 0.53%, see rank | 0.55% | 0.49% |
| Dutch | 1,000 | 1.10%, see rank | 1.19% | 1.68% |
| English | 6,555 | 7.20%, see rank | 7.02% | 9.29% |
| French | 2,673 | 2.94%, see rank | 2.56% | 3.90% |
| German | 9,357 | 10.28%, see rank | 9.93% | 16.89% |
| Greek | 620 | 0.68%, see rank | 0.38% | 0.45% |
| Hungarian | 563 | 0.62%, see rank | 0.37% | 0.52% |
| Irish | 8,914 | 9.80%, see rank | 7.79% | 12.01% |
| Italian | 7,348 | 8.08%, see rank | 4.33% | 5.91% |
| Norwegian | 1,033 | 1.14%, see rank | 1.14% | 1.55% |
| Polish | 1,756 | 1.93%, see rank | 1.45% | 3.32% |
| Portuguese | 817 | 0.90%, see rank | 1.05% | 0.48% |
| Russian | 2,558 | 2.81%, see rank | 1.25% | 1.04% |
| Scotch-Irish | 1,386 | 1.52%, see rank | 1.23% | 1.77% |
| Scottish | 2,004 | 2.20%, see rank | 1.61% | 1.97% |
| Subsaharan African | 399 | 0.44%, see rank | 0.71% | 0.88% |
| Swedish | 1,245 | 1.37%, see rank | 1.28% | 1.45% |
| Swiss | 329 | 0.36%, see rank | 0.32% | 0.34% |
| Ukrainian | 374 | 0.41%, see rank | 0.27% | 0.32% |
| American | 1,767 | 1.94%, see rank | 2.66% | 6.43% |
| Welsh | 346 | 0.38%, see rank | 0.52% | 0.65% |
US Census 2000 data
81,601 (88.23%) out of the total population of 92,482 reported first ancestry.
| San Mateo, CA | % of the Total Population | California | U.S. | |
| Arab | 1,047 | 1.13%, see rank | 0.50% | 0.36% |
| Czech | 93 | 0.10%, see rank | 0.14% | 0.27% |
| Danish | 297 | 0.32%, see rank | 0.38% | 0.30% |
| Dutch | 562 | 0.61%, see rank | 0.71% | 0.91% |
| English | 4,862 | 5.26%, see rank | 4.91% | 5.91% |
| French | 1,744 | 1.89%, see rank | 1.57% | 2.39% |
| German | 6,382 | 6.90%, see rank | 6.45% | 10.81% |
| Greek | 724 | 0.78%, see rank | 0.29% | 0.34% |
| Hungarian | 301 | 0.33%, see rank | 0.27% | 0.32% |
| Irish | 6,341 | 6.86%, see rank | 4.72% | 6.85% |
| Italian | 7,369 | 7.97%, see rank | 3.41% | 4.59% |
| Norwegian | 842 | 0.91%, see rank | 0.92% | 1.15% |
| Polish | 1,019 | 1.10%, see rank | 0.95% | 2.24% |
| Portuguese | 586 | 0.63%, see rank | 0.75% | 0.33% |
| Russian | 1,314 | 1.42%, see rank | 0.90% | 0.68% |
| Scotch-Irish | 856 | 0.93%, see rank | 0.87% | 1.17% |
| Scottish | 1,097 | 1.19%, see rank | 1.00% | 1.12% |
| Subsaharan African | 204 | 0.22%, see rank | 0.51% | 0.61% |
| Swedish | 961 | 1.04%, see rank | 0.86% | 0.87% |
| Swiss | 258 | 0.28%, see rank | 0.21% | 0.19% |
| Ukrainian | 401 | 0.43%, see rank | 0.20% | 0.24% |
| American | 3,213 | 3.47%, see rank | 3.37% | 7.33% |
| Welsh | 228 | 0.25%, 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.