Santa Clara County Historical First Ancestry Data
ACS 2010-2014 data
1,687,374 (91.63%) out of the total population of 1,841,569 reported first ancestry.
Santa Clara County | % of the Total Population | California | U.S. | |
Arab | 10,960 | 0.60%, see rank | 0.72% | 0.56% |
Czech | 4,014 | 0.22%, see rank | 0.22% | 0.47% |
Danish | 8,604 | 0.47%, see rank | 0.46% | 0.42% |
Dutch | 15,179 | 0.82%, see rank | 0.99% | 1.40% |
English | 95,876 | 5.21%, see rank | 5.94% | 8.02% |
French | 34,879 | 1.89%, see rank | 2.15% | 3.34% |
German | 132,267 | 7.18%, see rank | 8.51% | 15.03% |
Greek | 6,480 | 0.35%, see rank | 0.35% | 0.41% |
Hungarian | 5,157 | 0.28%, see rank | 0.32% | 0.46% |
Irish | 99,325 | 5.39%, see rank | 6.69% | 10.80% |
Italian | 80,247 | 4.36%, see rank | 3.97% | 5.52% |
Norwegian | 17,728 | 0.96%, see rank | 1.02% | 1.42% |
Polish | 22,855 | 1.24%, see rank | 1.32% | 3.01% |
Portuguese | 24,650 | 1.34%, see rank | 0.91% | 0.44% |
Russian | 20,792 | 1.13%, see rank | 1.13% | 0.92% |
Scotch-Irish | 9,012 | 0.49%, see rank | 0.61% | 0.99% |
Scottish | 21,289 | 1.16%, see rank | 1.34% | 1.72% |
Subsaharan African | 13,431 | 0.73%, see rank | 0.69% | 0.95% |
Swedish | 18,302 | 0.99%, see rank | 1.09% | 1.27% |
Swiss | 6,164 | 0.33%, see rank | 0.27% | 0.30% |
Ukrainian | 5,263 | 0.29%, see rank | 0.27% | 0.31% |
American | 37,448 | 2.03%, see rank | 3.22% | 7.12% |
Welsh | 6,786 | 0.37%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
1,671,903 (93.49%) out of the total population of 1,788,393 reported first ancestry.
Santa Clara County | % of the Total Population | California | U.S. | |
Arab | 10,456 | 0.58%, see rank | 0.70% | 0.53% |
Czech | 4,351 | 0.24%, see rank | 0.24% | 0.50% |
Danish | 8,647 | 0.48%, see rank | 0.50% | 0.45% |
Dutch | 15,938 | 0.89%, see rank | 1.08% | 1.51% |
English | 101,018 | 5.65%, see rank | 6.39% | 8.53% |
French | 37,355 | 2.09%, see rank | 2.28% | 3.54% |
German | 138,938 | 7.77%, see rank | 9.10% | 15.79% |
Greek | 6,064 | 0.34%, see rank | 0.35% | 0.42% |
Hungarian | 4,880 | 0.27%, see rank | 0.34% | 0.48% |
Irish | 103,301 | 5.78%, see rank | 7.13% | 11.36% |
Italian | 82,704 | 4.62%, see rank | 4.08% | 5.66% |
Norwegian | 18,355 | 1.03%, see rank | 1.06% | 1.46% |
Polish | 21,322 | 1.19%, see rank | 1.35% | 3.13% |
Portuguese | 26,868 | 1.50%, see rank | 0.96% | 0.46% |
Russian | 20,975 | 1.17%, see rank | 1.18% | 0.97% |
Scotch-Irish | 9,122 | 0.51%, see rank | 0.67% | 1.07% |
Scottish | 23,245 | 1.30%, see rank | 1.43% | 1.81% |
Subsaharan African | 11,797 | 0.66%, see rank | 0.72% | 0.93% |
Swedish | 19,481 | 1.09%, see rank | 1.16% | 1.34% |
Swiss | 6,317 | 0.35%, see rank | 0.28% | 0.31% |
Ukrainian | 4,838 | 0.27%, see rank | 0.26% | 0.31% |
American | 29,466 | 1.65%, see rank | 2.78% | 6.72% |
Welsh | 7,491 | 0.42%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
1,636,883 (94.11%) out of the total population of 1,739,396 reported first ancestry.
Santa Clara County | % of the Total Population | California | U.S. | |
Arab | 10,042 | 0.58%, see rank | 0.66% | 0.50% |
Czech | 4,729 | 0.27%, see rank | 0.26% | 0.53% |
Danish | 8,907 | 0.51%, see rank | 0.53% | 0.48% |
Dutch | 16,619 | 0.96%, see rank | 1.15% | 1.63% |
English | 104,760 | 6.02%, see rank | 6.77% | 9.02% |
French | 39,379 | 2.26%, see rank | 2.44% | 3.77% |
German | 142,275 | 8.18%, see rank | 9.60% | 16.51% |
Greek | 6,854 | 0.39%, see rank | 0.38% | 0.44% |
Hungarian | 5,194 | 0.30%, see rank | 0.36% | 0.51% |
Irish | 104,278 | 6.00%, see rank | 7.50% | 11.76% |
Italian | 80,459 | 4.63%, see rank | 4.21% | 5.78% |
Norwegian | 18,759 | 1.08%, see rank | 1.10% | 1.51% |
Polish | 21,479 | 1.23%, see rank | 1.41% | 3.24% |
Portuguese | 28,134 | 1.62%, see rank | 1.02% | 0.47% |
Russian | 19,909 | 1.14%, see rank | 1.22% | 1.01% |
Scotch-Irish | 16,315 | 0.94%, see rank | 1.19% | 1.72% |
Scottish | 24,367 | 1.40%, see rank | 1.54% | 1.92% |
Subsaharan African | 9,031 | 0.52%, see rank | 0.72% | 0.91% |
Swedish | 20,141 | 1.16%, see rank | 1.25% | 1.41% |
Swiss | 6,916 | 0.40%, see rank | 0.31% | 0.33% |
Ukrainian | 5,116 | 0.29%, see rank | 0.26% | 0.31% |
American | 25,124 | 1.44%, see rank | 2.43% | 6.28% |
Welsh | 8,208 | 0.47%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
1,633,640 (94.46%) out of the total population of 1,729,378 reported first ancestry.
Santa Clara County | % of the Total Population | California | U.S. | |
Arab | 10,147 | 0.59%, see rank | 0.66% | 0.50% |
Czech | 4,819 | 0.28%, see rank | 0.27% | 0.54% |
Danish | 9,406 | 0.54%, see rank | 0.55% | 0.49% |
Dutch | 15,988 | 0.92%, see rank | 1.19% | 1.68% |
English | 109,924 | 6.36%, see rank | 7.02% | 9.29% |
French | 40,782 | 2.36%, see rank | 2.56% | 3.90% |
German | 145,915 | 8.44%, see rank | 9.93% | 16.89% |
Greek | 6,820 | 0.39%, see rank | 0.38% | 0.45% |
Hungarian | 5,612 | 0.32%, see rank | 0.37% | 0.52% |
Irish | 108,817 | 6.29%, see rank | 7.79% | 12.01% |
Italian | 81,889 | 4.74%, see rank | 4.33% | 5.91% |
Norwegian | 18,872 | 1.09%, see rank | 1.14% | 1.55% |
Polish | 22,692 | 1.31%, see rank | 1.45% | 3.32% |
Portuguese | 29,219 | 1.69%, see rank | 1.05% | 0.48% |
Russian | 20,955 | 1.21%, see rank | 1.25% | 1.04% |
Scotch-Irish | 16,675 | 0.96%, see rank | 1.23% | 1.77% |
Scottish | 25,289 | 1.46%, see rank | 1.61% | 1.97% |
Subsaharan African | 9,405 | 0.54%, see rank | 0.71% | 0.88% |
Swedish | 20,581 | 1.19%, see rank | 1.28% | 1.45% |
Swiss | 7,107 | 0.41%, see rank | 0.32% | 0.34% |
Ukrainian | 4,867 | 0.28%, see rank | 0.27% | 0.32% |
American | 29,297 | 1.69%, see rank | 2.66% | 6.43% |
Welsh | 8,212 | 0.47%, see rank | 0.52% | 0.65% |
US Census 2000 data
1,469,215 (87.32%) out of the total population of 1,682,585 reported first ancestry.
Santa Clara County | % of the Total Population | California | U.S. | |
Arab | 7,942 | 0.47%, see rank | 0.50% | 0.36% |
Czech | 2,414 | 0.14%, see rank | 0.14% | 0.27% |
Danish | 6,754 | 0.40%, see rank | 0.38% | 0.30% |
Dutch | 10,065 | 0.60%, see rank | 0.71% | 0.91% |
English | 79,560 | 4.73%, see rank | 4.91% | 5.91% |
French | 25,097 | 1.49%, see rank | 1.57% | 2.39% |
German | 99,222 | 5.90%, see rank | 6.45% | 10.81% |
Greek | 6,340 | 0.38%, see rank | 0.29% | 0.34% |
Hungarian | 4,031 | 0.24%, see rank | 0.27% | 0.32% |
Irish | 72,598 | 4.31%, see rank | 4.72% | 6.85% |
Italian | 71,793 | 4.27%, see rank | 3.41% | 4.59% |
Norwegian | 14,579 | 0.87%, see rank | 0.92% | 1.15% |
Polish | 17,148 | 1.02%, see rank | 0.95% | 2.24% |
Portuguese | 22,819 | 1.36%, see rank | 0.75% | 0.33% |
Russian | 16,225 | 0.96%, see rank | 0.90% | 0.68% |
Scotch-Irish | 12,098 | 0.72%, see rank | 0.87% | 1.17% |
Scottish | 16,968 | 1.01%, see rank | 1.00% | 1.12% |
Subsaharan African | 8,102 | 0.48%, see rank | 0.51% | 0.61% |
Swedish | 14,698 | 0.87%, see rank | 0.86% | 0.87% |
Swiss | 4,620 | 0.27%, see rank | 0.21% | 0.19% |
Ukrainian | 3,211 | 0.19%, see rank | 0.20% | 0.24% |
American | 37,929 | 2.25%, see rank | 3.37% | 7.33% |
Welsh | 3,993 | 0.24%, 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.