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Castro Valley Unified School District Historical First Ancestry Data
ACS 2010-2014 data
47,234 (92.00%) out of the total population of 51,341 reported first ancestry.
| Castro Valley Unified School District | % of the Total Population | California | U.S. | |
| Arab | 435 | 0.85%, see rank | 0.72% | 0.56% |
| Czech | 176 | 0.34%, see rank | 0.22% | 0.47% |
| Danish | 353 | 0.69%, see rank | 0.46% | 0.42% |
| Dutch | 548 | 1.07%, see rank | 0.99% | 1.40% |
| English | 3,582 | 6.98%, see rank | 5.94% | 8.02% |
| French | 1,194 | 2.33%, see rank | 2.15% | 3.34% |
| German | 4,840 | 9.43%, see rank | 8.51% | 15.03% |
| Greek | 692 | 1.35%, see rank | 0.35% | 0.41% |
| Hungarian | 147 | 0.29%, see rank | 0.32% | 0.46% |
| Irish | 3,922 | 7.64%, see rank | 6.69% | 10.80% |
| Italian | 2,982 | 5.81%, see rank | 3.97% | 5.52% |
| Norwegian | 567 | 1.10%, see rank | 1.02% | 1.42% |
| Polish | 934 | 1.82%, see rank | 1.32% | 3.01% |
| Portuguese | 1,882 | 3.67%, see rank | 0.91% | 0.44% |
| Russian | 555 | 1.08%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 342 | 0.67%, see rank | 0.61% | 0.99% |
| Scottish | 785 | 1.53%, see rank | 1.34% | 1.72% |
| Subsaharan African | 595 | 1.16%, see rank | 0.69% | 0.95% |
| Swedish | 759 | 1.48%, see rank | 1.09% | 1.27% |
| Swiss | 357 | 0.70%, see rank | 0.27% | 0.30% |
| Ukrainian | 155 | 0.30%, see rank | 0.27% | 0.31% |
| American | 1,408 | 2.74%, see rank | 3.22% | 7.12% |
| Welsh | 317 | 0.62%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
46,767 (94.27%) out of the total population of 49,611 reported first ancestry.
| Castro Valley Unified School District | % of the Total Population | California | U.S. | |
| Arab | 465 | 0.94%, see rank | 0.70% | 0.53% |
| Czech | 196 | 0.40%, see rank | 0.24% | 0.50% |
| Danish | 347 | 0.70%, see rank | 0.50% | 0.45% |
| Dutch | 554 | 1.12%, see rank | 1.08% | 1.51% |
| English | 4,193 | 8.45%, see rank | 6.39% | 8.53% |
| French | 1,324 | 2.67%, see rank | 2.28% | 3.54% |
| German | 5,980 | 12.05%, see rank | 9.10% | 15.79% |
| Greek | 504 | 1.02%, see rank | 0.35% | 0.42% |
| Hungarian | 163 | 0.33%, see rank | 0.34% | 0.48% |
| Irish | 5,043 | 10.17%, see rank | 7.13% | 11.36% |
| Italian | 2,878 | 5.80%, see rank | 4.08% | 5.66% |
| Norwegian | 861 | 1.74%, see rank | 1.06% | 1.46% |
| Polish | 855 | 1.72%, see rank | 1.35% | 3.13% |
| Portuguese | 2,079 | 4.19%, see rank | 0.96% | 0.46% |
| Russian | 441 | 0.89%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 548 | 1.10%, see rank | 0.67% | 1.07% |
| Scottish | 922 | 1.86%, see rank | 1.43% | 1.81% |
| Subsaharan African | 178 | 0.36%, see rank | 0.72% | 0.93% |
| Swedish | 556 | 1.12%, see rank | 1.16% | 1.34% |
| Swiss | 339 | 0.68%, see rank | 0.28% | 0.31% |
| Ukrainian | 97 | 0.20%, see rank | 0.26% | 0.31% |
| American | 1,214 | 2.45%, see rank | 2.78% | 6.72% |
| Welsh | 306 | 0.62%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
46,072 (95.00%) out of the total population of 48,498 reported first ancestry.
| Castro Valley Unified School District | % of the Total Population | California | U.S. | |
| Arab | 505 | 1.04%, see rank | 0.66% | 0.50% |
| Czech | 218 | 0.45%, see rank | 0.26% | 0.53% |
| Danish | 678 | 1.40%, see rank | 0.53% | 0.48% |
| Dutch | 759 | 1.57%, see rank | 1.15% | 1.63% |
| English | 4,860 | 10.02%, see rank | 6.77% | 9.02% |
| French | 1,523 | 3.14%, see rank | 2.44% | 3.77% |
| German | 5,666 | 11.68%, see rank | 9.60% | 16.51% |
| Greek | 405 | 0.84%, see rank | 0.38% | 0.44% |
| Hungarian | 341 | 0.70%, see rank | 0.36% | 0.51% |
| Irish | 5,646 | 11.64%, see rank | 7.50% | 11.76% |
| Italian | 3,675 | 7.58%, see rank | 4.21% | 5.78% |
| Norwegian | 1,064 | 2.19%, see rank | 1.10% | 1.51% |
| Polish | 620 | 1.28%, see rank | 1.41% | 3.24% |
| Portuguese | 2,205 | 4.55%, see rank | 1.02% | 0.47% |
| Russian | 771 | 1.59%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 997 | 2.06%, see rank | 1.19% | 1.72% |
| Scottish | 860 | 1.77%, see rank | 1.54% | 1.92% |
| Subsaharan African | 194 | 0.40%, see rank | 0.72% | 0.91% |
| Swedish | 618 | 1.27%, see rank | 1.25% | 1.41% |
| Swiss | 267 | 0.55%, see rank | 0.31% | 0.33% |
| Ukrainian | 177 | 0.36%, see rank | 0.26% | 0.31% |
| American | 981 | 2.02%, see rank | 2.43% | 6.28% |
| Welsh | 345 | 0.71%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
44,875 (95.69%) out of the total population of 46,895 reported first ancestry.
| Castro Valley Unified School District | % of the Total Population | California | U.S. | |
| Arab | 559 | 1.19%, see rank | 0.66% | 0.50% |
| Czech | 167 | 0.36%, see rank | 0.27% | 0.54% |
| Danish | 717 | 1.53%, see rank | 0.55% | 0.49% |
| Dutch | 846 | 1.80%, see rank | 1.19% | 1.68% |
| English | 5,402 | 11.52%, see rank | 7.02% | 9.29% |
| French | 1,438 | 3.07%, see rank | 2.56% | 3.90% |
| German | 6,693 | 14.27%, see rank | 9.93% | 16.89% |
| Greek | 463 | 0.99%, see rank | 0.38% | 0.45% |
| Hungarian | 336 | 0.72%, see rank | 0.37% | 0.52% |
| Irish | 5,972 | 12.73%, see rank | 7.79% | 12.01% |
| Italian | 3,913 | 8.34%, see rank | 4.33% | 5.91% |
| Norwegian | 1,030 | 2.20%, see rank | 1.14% | 1.55% |
| Polish | 606 | 1.29%, see rank | 1.45% | 3.32% |
| Portuguese | 2,559 | 5.46%, see rank | 1.05% | 0.48% |
| Russian | 765 | 1.63%, see rank | 1.25% | 1.04% |
| Scotch-Irish | 970 | 2.07%, see rank | 1.23% | 1.77% |
| Scottish | 1,201 | 2.56%, see rank | 1.61% | 1.97% |
| Subsaharan African | 197 | 0.42%, see rank | 0.71% | 0.88% |
| Swedish | 784 | 1.67%, see rank | 1.28% | 1.45% |
| Swiss | 188 | 0.40%, see rank | 0.32% | 0.34% |
| Ukrainian | 216 | 0.46%, see rank | 0.27% | 0.32% |
| American | 825 | 1.76%, see rank | 2.66% | 6.43% |
| Welsh | 335 | 0.71%, see rank | 0.52% | 0.65% |
* 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.