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Riverdale Joint Unified School District Historical First Ancestry Data
ACS 2010-2014 data
6,649 (94.62%) out of the total population of 7,027 reported first ancestry.
| Riverdale Joint Unified School District | % of the Total Population | California | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.72% | 0.56% |
| Czech | 0 | 0.00%, see rank | 0.22% | 0.47% |
| Danish | 16 | 0.23%, see rank | 0.46% | 0.42% |
| Dutch | 44 | 0.63%, see rank | 0.99% | 1.40% |
| English | 237 | 3.37%, see rank | 5.94% | 8.02% |
| French | 62 | 0.88%, see rank | 2.15% | 3.34% |
| German | 308 | 4.38%, see rank | 8.51% | 15.03% |
| Greek | 3 | 0.04%, see rank | 0.35% | 0.41% |
| Hungarian | 0 | 0.00%, see rank | 0.32% | 0.46% |
| Irish | 387 | 5.51%, see rank | 6.69% | 10.80% |
| Italian | 95 | 1.35%, see rank | 3.97% | 5.52% |
| Norwegian | 9 | 0.13%, see rank | 1.02% | 1.42% |
| Polish | 0 | 0.00%, see rank | 1.32% | 3.01% |
| Portuguese | 753 | 10.72%, see rank | 0.91% | 0.44% |
| Russian | 8 | 0.11%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 12 | 0.17%, see rank | 0.61% | 0.99% |
| Scottish | 47 | 0.67%, see rank | 1.34% | 1.72% |
| Subsaharan African | 0 | 0.00%, see rank | 0.69% | 0.95% |
| Swedish | 0 | 0.00%, see rank | 1.09% | 1.27% |
| Swiss | 38 | 0.54%, see rank | 0.27% | 0.30% |
| Ukrainian | 0 | 0.00%, see rank | 0.27% | 0.31% |
| American | 40 | 0.57%, see rank | 3.22% | 7.12% |
| Welsh | 0 | 0.00%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
5,977 (94.19%) out of the total population of 6,346 reported first ancestry.
| Riverdale Joint Unified School District | % of the Total Population | California | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.70% | 0.53% |
| Czech | 0 | 0.00%, see rank | 0.24% | 0.50% |
| Danish | 15 | 0.24%, see rank | 0.50% | 0.45% |
| Dutch | 58 | 0.91%, see rank | 1.08% | 1.51% |
| English | 214 | 3.37%, see rank | 6.39% | 8.53% |
| French | 61 | 0.96%, see rank | 2.28% | 3.54% |
| German | 391 | 6.16%, see rank | 9.10% | 15.79% |
| Greek | 6 | 0.09%, see rank | 0.35% | 0.42% |
| Hungarian | 0 | 0.00%, see rank | 0.34% | 0.48% |
| Irish | 174 | 2.74%, see rank | 7.13% | 11.36% |
| Italian | 39 | 0.61%, see rank | 4.08% | 5.66% |
| Norwegian | 8 | 0.13%, see rank | 1.06% | 1.46% |
| Polish | 24 | 0.38%, see rank | 1.35% | 3.13% |
| Portuguese | 675 | 10.64%, see rank | 0.96% | 0.46% |
| Russian | 7 | 0.11%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 9 | 0.14%, see rank | 0.67% | 1.07% |
| Scottish | 50 | 0.79%, see rank | 1.43% | 1.81% |
| Subsaharan African | 0 | 0.00%, see rank | 0.72% | 0.93% |
| Swedish | 0 | 0.00%, see rank | 1.16% | 1.34% |
| Swiss | 29 | 0.46%, see rank | 0.28% | 0.31% |
| Ukrainian | 0 | 0.00%, see rank | 0.26% | 0.31% |
| American | 49 | 0.77%, see rank | 2.78% | 6.72% |
| Welsh | 0 | 0.00%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
5,894 (95.14%) out of the total population of 6,195 reported first ancestry.
| Riverdale Joint Unified School District | % of the Total Population | California | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.66% | 0.50% |
| Czech | 0 | 0.00%, see rank | 0.26% | 0.53% |
| Danish | 35 | 0.56%, see rank | 0.53% | 0.48% |
| Dutch | 19 | 0.31%, see rank | 1.15% | 1.63% |
| English | 127 | 2.05%, see rank | 6.77% | 9.02% |
| French | 45 | 0.73%, see rank | 2.44% | 3.77% |
| German | 374 | 6.04%, see rank | 9.60% | 16.51% |
| Greek | 0 | 0.00%, see rank | 0.38% | 0.44% |
| Hungarian | 0 | 0.00%, see rank | 0.36% | 0.51% |
| Irish | 167 | 2.70%, see rank | 7.50% | 11.76% |
| Italian | 56 | 0.90%, see rank | 4.21% | 5.78% |
| Norwegian | 9 | 0.15%, see rank | 1.10% | 1.51% |
| Polish | 21 | 0.34%, see rank | 1.41% | 3.24% |
| Portuguese | 716 | 11.56%, see rank | 1.02% | 0.47% |
| Russian | 0 | 0.00%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 31 | 0.50%, see rank | 1.19% | 1.72% |
| Scottish | 17 | 0.27%, see rank | 1.54% | 1.92% |
| Subsaharan African | 0 | 0.00%, see rank | 0.72% | 0.91% |
| Swedish | 0 | 0.00%, see rank | 1.25% | 1.41% |
| Swiss | 35 | 0.56%, see rank | 0.31% | 0.33% |
| Ukrainian | 0 | 0.00%, see rank | 0.26% | 0.31% |
| American | 45 | 0.73%, see rank | 2.43% | 6.28% |
| Welsh | 0 | 0.00%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
5,954 (95.99%) out of the total population of 6,203 reported first ancestry.
| Riverdale Joint Unified School District | % of the Total Population | California | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.66% | 0.50% |
| Czech | 0 | 0.00%, see rank | 0.27% | 0.54% |
| Danish | 27 | 0.44%, see rank | 0.55% | 0.49% |
| Dutch | 17 | 0.27%, see rank | 1.19% | 1.68% |
| English | 151 | 2.43%, see rank | 7.02% | 9.29% |
| French | 9 | 0.15%, see rank | 2.56% | 3.90% |
| German | 343 | 5.53%, see rank | 9.93% | 16.89% |
| Greek | 0 | 0.00%, see rank | 0.38% | 0.45% |
| Hungarian | 0 | 0.00%, see rank | 0.37% | 0.52% |
| Irish | 240 | 3.87%, see rank | 7.79% | 12.01% |
| Italian | 67 | 1.08%, see rank | 4.33% | 5.91% |
| Norwegian | 0 | 0.00%, see rank | 1.14% | 1.55% |
| Polish | 20 | 0.32%, see rank | 1.45% | 3.32% |
| Portuguese | 574 | 9.25%, see rank | 1.05% | 0.48% |
| Russian | 8 | 0.13%, see rank | 1.25% | 1.04% |
| Scotch-Irish | 27 | 0.44%, see rank | 1.23% | 1.77% |
| Scottish | 9 | 0.15%, see rank | 1.61% | 1.97% |
| Subsaharan African | 0 | 0.00%, see rank | 0.71% | 0.88% |
| Swedish | 0 | 0.00%, see rank | 1.28% | 1.45% |
| Swiss | 21 | 0.34%, see rank | 0.32% | 0.34% |
| Ukrainian | 0 | 0.00%, see rank | 0.27% | 0.32% |
| American | 108 | 1.74%, see rank | 2.66% | 6.43% |
| Welsh | 0 | 0.00%, 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.