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Diamond Bar, CA Historical First Ancestry Data
ACS 2010-2014 data
53,140 (94.46%) out of the total population of 56,259 reported first ancestry.
| Diamond Bar, CA | % of the Total Population | California | U.S. | |
| Arab | 1,035 | 1.84%, see rank | 0.72% | 0.56% |
| Czech | 52 | 0.09%, see rank | 0.22% | 0.47% |
| Danish | 50 | 0.09%, see rank | 0.46% | 0.42% |
| Dutch | 266 | 0.47%, see rank | 0.99% | 1.40% |
| English | 1,484 | 2.64%, see rank | 5.94% | 8.02% |
| French | 833 | 1.48%, see rank | 2.15% | 3.34% |
| German | 2,337 | 4.15%, see rank | 8.51% | 15.03% |
| Greek | 362 | 0.64%, see rank | 0.35% | 0.41% |
| Hungarian | 76 | 0.14%, see rank | 0.32% | 0.46% |
| Irish | 1,962 | 3.49%, see rank | 6.69% | 10.80% |
| Italian | 1,012 | 1.80%, see rank | 3.97% | 5.52% |
| Norwegian | 212 | 0.38%, see rank | 1.02% | 1.42% |
| Polish | 285 | 0.51%, see rank | 1.32% | 3.01% |
| Portuguese | 114 | 0.20%, see rank | 0.91% | 0.44% |
| Russian | 87 | 0.15%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 170 | 0.30%, see rank | 0.61% | 0.99% |
| Scottish | 246 | 0.44%, see rank | 1.34% | 1.72% |
| Subsaharan African | 335 | 0.60%, see rank | 0.69% | 0.95% |
| Swedish | 169 | 0.30%, see rank | 1.09% | 1.27% |
| Swiss | 26 | 0.05%, see rank | 0.27% | 0.30% |
| Ukrainian | 9 | 0.02%, see rank | 0.27% | 0.31% |
| American | 4,323 | 7.68%, see rank | 3.22% | 7.12% |
| Welsh | 105 | 0.19%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
53,592 (96.03%) out of the total population of 55,810 reported first ancestry.
| Diamond Bar, CA | % of the Total Population | California | U.S. | |
| Arab | 534 | 0.96%, see rank | 0.70% | 0.53% |
| Czech | 63 | 0.11%, see rank | 0.24% | 0.50% |
| Danish | 92 | 0.16%, see rank | 0.50% | 0.45% |
| Dutch | 285 | 0.51%, see rank | 1.08% | 1.51% |
| English | 1,961 | 3.51%, see rank | 6.39% | 8.53% |
| French | 628 | 1.13%, see rank | 2.28% | 3.54% |
| German | 2,581 | 4.62%, see rank | 9.10% | 15.79% |
| Greek | 323 | 0.58%, see rank | 0.35% | 0.42% |
| Hungarian | 136 | 0.24%, see rank | 0.34% | 0.48% |
| Irish | 2,248 | 4.03%, see rank | 7.13% | 11.36% |
| Italian | 1,528 | 2.74%, see rank | 4.08% | 5.66% |
| Norwegian | 168 | 0.30%, see rank | 1.06% | 1.46% |
| Polish | 316 | 0.57%, see rank | 1.35% | 3.13% |
| Portuguese | 87 | 0.16%, see rank | 0.96% | 0.46% |
| Russian | 143 | 0.26%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 200 | 0.36%, see rank | 0.67% | 1.07% |
| Scottish | 313 | 0.56%, see rank | 1.43% | 1.81% |
| Subsaharan African | 552 | 0.99%, see rank | 0.72% | 0.93% |
| Swedish | 178 | 0.32%, see rank | 1.16% | 1.34% |
| Swiss | 21 | 0.04%, see rank | 0.28% | 0.31% |
| Ukrainian | 0 | 0.00%, see rank | 0.26% | 0.31% |
| American | 2,762 | 4.95%, see rank | 2.78% | 6.72% |
| Welsh | 49 | 0.09%, see rank | 0.46% | 0.60% |
ACS 2006-2010 data
54,137 (97.19%) out of the total population of 55,701 reported first ancestry.
| Diamond Bar, CA | % of the Total Population | California | U.S. | |
| Arab | 461 | 0.83%, see rank | 0.66% | 0.50% |
| Czech | 102 | 0.18%, see rank | 0.26% | 0.53% |
| Danish | 145 | 0.26%, see rank | 0.53% | 0.48% |
| Dutch | 521 | 0.94%, see rank | 1.15% | 1.63% |
| English | 2,450 | 4.40%, see rank | 6.77% | 9.02% |
| French | 666 | 1.20%, see rank | 2.44% | 3.77% |
| German | 3,327 | 5.97%, see rank | 9.60% | 16.51% |
| Greek | 325 | 0.58%, see rank | 0.38% | 0.44% |
| Hungarian | 104 | 0.19%, see rank | 0.36% | 0.51% |
| Irish | 2,305 | 4.14%, see rank | 7.50% | 11.76% |
| Italian | 1,832 | 3.29%, see rank | 4.21% | 5.78% |
| Norwegian | 194 | 0.35%, see rank | 1.10% | 1.51% |
| Polish | 499 | 0.90%, see rank | 1.41% | 3.24% |
| Portuguese | 123 | 0.22%, see rank | 1.02% | 0.47% |
| Russian | 241 | 0.43%, see rank | 1.22% | 1.01% |
| Scotch-Irish | 396 | 0.71%, see rank | 1.19% | 1.72% |
| Scottish | 641 | 1.15%, see rank | 1.54% | 1.92% |
| Subsaharan African | 355 | 0.64%, see rank | 0.72% | 0.91% |
| Swedish | 197 | 0.35%, see rank | 1.25% | 1.41% |
| Swiss | 76 | 0.14%, see rank | 0.31% | 0.33% |
| Ukrainian | 48 | 0.09%, see rank | 0.26% | 0.31% |
| American | 1,298 | 2.33%, see rank | 2.43% | 6.28% |
| Welsh | 85 | 0.15%, see rank | 0.49% | 0.63% |
ACS 2005-2009 data
55,198 (97.11%) out of the total population of 56,839 reported first ancestry.
| Diamond Bar, CA | % of the Total Population | California | U.S. | |
| Arab | 682 | 1.20%, see rank | 0.66% | 0.50% |
| Czech | 125 | 0.22%, see rank | 0.27% | 0.54% |
| Danish | 195 | 0.34%, see rank | 0.55% | 0.49% |
| Dutch | 519 | 0.91%, see rank | 1.19% | 1.68% |
| English | 2,658 | 4.68%, see rank | 7.02% | 9.29% |
| French | 662 | 1.16%, see rank | 2.56% | 3.90% |
| German | 3,502 | 6.16%, see rank | 9.93% | 16.89% |
| Greek | 261 | 0.46%, see rank | 0.38% | 0.45% |
| Hungarian | 49 | 0.09%, see rank | 0.37% | 0.52% |
| Irish | 2,612 | 4.60%, see rank | 7.79% | 12.01% |
| Italian | 2,068 | 3.64%, see rank | 4.33% | 5.91% |
| Norwegian | 165 | 0.29%, see rank | 1.14% | 1.55% |
| Polish | 600 | 1.06%, see rank | 1.45% | 3.32% |
| Portuguese | 151 | 0.27%, see rank | 1.05% | 0.48% |
| Russian | 255 | 0.45%, see rank | 1.25% | 1.04% |
| Scotch-Irish | 361 | 0.64%, see rank | 1.23% | 1.77% |
| Scottish | 689 | 1.21%, see rank | 1.61% | 1.97% |
| Subsaharan African | 384 | 0.68%, see rank | 0.71% | 0.88% |
| Swedish | 180 | 0.32%, see rank | 1.28% | 1.45% |
| Swiss | 78 | 0.14%, see rank | 0.32% | 0.34% |
| Ukrainian | 50 | 0.09%, see rank | 0.27% | 0.32% |
| American | 1,230 | 2.16%, see rank | 2.66% | 6.43% |
| Welsh | 127 | 0.22%, see rank | 0.52% | 0.65% |
US Census 2000 data
51,933 (92.26%) out of the total population of 56,287 reported first ancestry.
| Diamond Bar, CA | % of the Total Population | California | U.S. | |
| Arab | 872 | 1.55%, see rank | 0.50% | 0.36% |
| Czech | 43 | 0.08%, see rank | 0.14% | 0.27% |
| Danish | 75 | 0.13%, see rank | 0.38% | 0.30% |
| Dutch | 352 | 0.63%, see rank | 0.71% | 0.91% |
| English | 2,023 | 3.59%, see rank | 4.91% | 5.91% |
| French | 545 | 0.97%, see rank | 1.57% | 2.39% |
| German | 2,603 | 4.62%, see rank | 6.45% | 10.81% |
| Greek | 52 | 0.09%, see rank | 0.29% | 0.34% |
| Hungarian | 150 | 0.27%, see rank | 0.27% | 0.32% |
| Irish | 2,120 | 3.77%, see rank | 4.72% | 6.85% |
| Italian | 1,541 | 2.74%, see rank | 3.41% | 4.59% |
| Norwegian | 347 | 0.62%, see rank | 0.92% | 1.15% |
| Polish | 608 | 1.08%, see rank | 0.95% | 2.24% |
| Portuguese | 69 | 0.12%, see rank | 0.75% | 0.33% |
| Russian | 325 | 0.58%, see rank | 0.90% | 0.68% |
| Scotch-Irish | 333 | 0.59%, see rank | 0.87% | 1.17% |
| Scottish | 330 | 0.59%, see rank | 1.00% | 1.12% |
| Subsaharan African | 424 | 0.75%, see rank | 0.51% | 0.61% |
| Swedish | 309 | 0.55%, see rank | 0.86% | 0.87% |
| Swiss | 14 | 0.02%, see rank | 0.21% | 0.19% |
| Ukrainian | 63 | 0.11%, see rank | 0.20% | 0.24% |
| American | 1,190 | 2.11%, see rank | 3.37% | 7.33% |
| Welsh | 125 | 0.22%, 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.