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Portola Valley, CA Historical First Ancestry Data
ACS 2010-2014 data
4,029 (89.97%) out of the total population of 4,478 reported first ancestry.
Portola Valley, CA | % of the Total Population | California | U.S. | |
Arab | 5 | 0.11%, see rank | 0.72% | 0.56% |
Czech | 73 | 1.63%, see rank | 0.22% | 0.47% |
Danish | 0 | 0.00%, see rank | 0.46% | 0.42% |
Dutch | 39 | 0.87%, see rank | 0.99% | 1.40% |
English | 672 | 15.01%, see rank | 5.94% | 8.02% |
French | 205 | 4.58%, see rank | 2.15% | 3.34% |
German | 700 | 15.63%, see rank | 8.51% | 15.03% |
Greek | 0 | 0.00%, see rank | 0.35% | 0.41% |
Hungarian | 0 | 0.00%, see rank | 0.32% | 0.46% |
Irish | 687 | 15.34%, see rank | 6.69% | 10.80% |
Italian | 183 | 4.09%, see rank | 3.97% | 5.52% |
Norwegian | 62 | 1.38%, see rank | 1.02% | 1.42% |
Polish | 113 | 2.52%, see rank | 1.32% | 3.01% |
Portuguese | 116 | 2.59%, see rank | 0.91% | 0.44% |
Russian | 109 | 2.43%, see rank | 1.13% | 0.92% |
Scotch-Irish | 26 | 0.58%, see rank | 0.61% | 0.99% |
Scottish | 108 | 2.41%, see rank | 1.34% | 1.72% |
Subsaharan African | 0 | 0.00%, see rank | 0.69% | 0.95% |
Swedish | 79 | 1.76%, see rank | 1.09% | 1.27% |
Swiss | 51 | 1.14%, see rank | 0.27% | 0.30% |
Ukrainian | 0 | 0.00%, see rank | 0.27% | 0.31% |
American | 297 | 6.63%, see rank | 3.22% | 7.12% |
Welsh | 47 | 1.05%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
4,100 (93.63%) out of the total population of 4,379 reported first ancestry.
Portola Valley, CA | % of the Total Population | California | U.S. | |
Arab | 0 | 0.00%, see rank | 0.70% | 0.53% |
Czech | 91 | 2.08%, see rank | 0.24% | 0.50% |
Danish | 56 | 1.28%, see rank | 0.50% | 0.45% |
Dutch | 100 | 2.28%, see rank | 1.08% | 1.51% |
English | 925 | 21.12%, see rank | 6.39% | 8.53% |
French | 238 | 5.44%, see rank | 2.28% | 3.54% |
German | 976 | 22.29%, see rank | 9.10% | 15.79% |
Greek | 13 | 0.30%, see rank | 0.35% | 0.42% |
Hungarian | 57 | 1.30%, see rank | 0.34% | 0.48% |
Irish | 717 | 16.37%, see rank | 7.13% | 11.36% |
Italian | 92 | 2.10%, see rank | 4.08% | 5.66% |
Norwegian | 126 | 2.88%, see rank | 1.06% | 1.46% |
Polish | 92 | 2.10%, see rank | 1.35% | 3.13% |
Portuguese | 63 | 1.44%, see rank | 0.96% | 0.46% |
Russian | 114 | 2.60%, see rank | 1.18% | 0.97% |
Scotch-Irish | 109 | 2.49%, see rank | 0.67% | 1.07% |
Scottish | 76 | 1.74%, see rank | 1.43% | 1.81% |
Subsaharan African | 0 | 0.00%, see rank | 0.72% | 0.93% |
Swedish | 222 | 5.07%, see rank | 1.16% | 1.34% |
Swiss | 28 | 0.64%, see rank | 0.28% | 0.31% |
Ukrainian | 13 | 0.30%, see rank | 0.26% | 0.31% |
American | 287 | 6.55%, see rank | 2.78% | 6.72% |
Welsh | 125 | 2.85%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
4,141 (96.68%) out of the total population of 4,283 reported first ancestry.
Portola Valley, CA | % of the Total Population | California | U.S. | |
Arab | 0 | 0.00%, see rank | 0.66% | 0.50% |
Czech | 79 | 1.84%, see rank | 0.26% | 0.53% |
Danish | 50 | 1.17%, see rank | 0.53% | 0.48% |
Dutch | 137 | 3.20%, see rank | 1.15% | 1.63% |
English | 1,113 | 25.99%, see rank | 6.77% | 9.02% |
French | 332 | 7.75%, see rank | 2.44% | 3.77% |
German | 1,140 | 26.62%, see rank | 9.60% | 16.51% |
Greek | 14 | 0.33%, see rank | 0.38% | 0.44% |
Hungarian | 130 | 3.04%, see rank | 0.36% | 0.51% |
Irish | 546 | 12.75%, see rank | 7.50% | 11.76% |
Italian | 225 | 5.25%, see rank | 4.21% | 5.78% |
Norwegian | 166 | 3.88%, see rank | 1.10% | 1.51% |
Polish | 95 | 2.22%, see rank | 1.41% | 3.24% |
Portuguese | 25 | 0.58%, see rank | 1.02% | 0.47% |
Russian | 73 | 1.70%, see rank | 1.22% | 1.01% |
Scotch-Irish | 204 | 4.76%, see rank | 1.19% | 1.72% |
Scottish | 198 | 4.62%, see rank | 1.54% | 1.92% |
Subsaharan African | 0 | 0.00%, see rank | 0.72% | 0.91% |
Swedish | 216 | 5.04%, see rank | 1.25% | 1.41% |
Swiss | 16 | 0.37%, see rank | 0.31% | 0.33% |
Ukrainian | 14 | 0.33%, see rank | 0.26% | 0.31% |
American | 208 | 4.86%, see rank | 2.43% | 6.28% |
Welsh | 93 | 2.17%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
4,314 (96.92%) out of the total population of 4,451 reported first ancestry.
Portola Valley, CA | % of the Total Population | California | U.S. | |
Arab | 0 | 0.00%, see rank | 0.66% | 0.50% |
Czech | 15 | 0.34%, see rank | 0.27% | 0.54% |
Danish | 52 | 1.17%, see rank | 0.55% | 0.49% |
Dutch | 113 | 2.54%, see rank | 1.19% | 1.68% |
English | 1,150 | 25.84%, see rank | 7.02% | 9.29% |
French | 329 | 7.39%, see rank | 2.56% | 3.90% |
German | 1,092 | 24.53%, see rank | 9.93% | 16.89% |
Greek | 27 | 0.61%, see rank | 0.38% | 0.45% |
Hungarian | 135 | 3.03%, see rank | 0.37% | 0.52% |
Irish | 429 | 9.64%, see rank | 7.79% | 12.01% |
Italian | 314 | 7.05%, see rank | 4.33% | 5.91% |
Norwegian | 146 | 3.28%, see rank | 1.14% | 1.55% |
Polish | 181 | 4.07%, see rank | 1.45% | 3.32% |
Portuguese | 24 | 0.54%, see rank | 1.05% | 0.48% |
Russian | 111 | 2.49%, see rank | 1.25% | 1.04% |
Scotch-Irish | 596 | 13.39%, see rank | 1.23% | 1.77% |
Scottish | 208 | 4.67%, see rank | 1.61% | 1.97% |
Subsaharan African | 0 | 0.00%, see rank | 0.71% | 0.88% |
Swedish | 256 | 5.75%, see rank | 1.28% | 1.45% |
Swiss | 66 | 1.48%, see rank | 0.32% | 0.34% |
Ukrainian | 14 | 0.31%, see rank | 0.27% | 0.32% |
American | 109 | 2.45%, see rank | 2.66% | 6.43% |
Welsh | 82 | 1.84%, see rank | 0.52% | 0.65% |
US Census 2000 data
3,811 (85.41%) out of the total population of 4,462 reported first ancestry.
Portola Valley, CA | % of the Total Population | California | U.S. | |
Arab | 9 | 0.20%, see rank | 0.50% | 0.36% |
Czech | 15 | 0.34%, see rank | 0.14% | 0.27% |
Danish | 29 | 0.65%, see rank | 0.38% | 0.30% |
Dutch | 76 | 1.70%, see rank | 0.71% | 0.91% |
English | 688 | 15.42%, see rank | 4.91% | 5.91% |
French | 193 | 4.33%, see rank | 1.57% | 2.39% |
German | 429 | 9.61%, see rank | 6.45% | 10.81% |
Greek | 13 | 0.29%, see rank | 0.29% | 0.34% |
Hungarian | 41 | 0.92%, see rank | 0.27% | 0.32% |
Irish | 287 | 6.43%, see rank | 4.72% | 6.85% |
Italian | 210 | 4.71%, see rank | 3.41% | 4.59% |
Norwegian | 108 | 2.42%, see rank | 0.92% | 1.15% |
Polish | 88 | 1.97%, see rank | 0.95% | 2.24% |
Portuguese | 0 | 0.00%, see rank | 0.75% | 0.33% |
Russian | 95 | 2.13%, see rank | 0.90% | 0.68% |
Scotch-Irish | 57 | 1.28%, see rank | 0.87% | 1.17% |
Scottish | 136 | 3.05%, see rank | 1.00% | 1.12% |
Subsaharan African | 9 | 0.20%, see rank | 0.51% | 0.61% |
Swedish | 85 | 1.90%, see rank | 0.86% | 0.87% |
Swiss | 28 | 0.63%, see rank | 0.21% | 0.19% |
Ukrainian | 0 | 0.00%, see rank | 0.20% | 0.24% |
American | 129 | 2.89%, see rank | 3.37% | 7.33% |
Welsh | 9 | 0.20%, 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.