USA.com / California / Contra Costa County / Pleasant Hill, CA / 94523 / Population and Races / Historical First Ancestry Data
94523 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
30,615 (88.92%) out of the total population of 34,428 reported first ancestry.
| 94523 Zip Code | % of the Total Population | California | U.S. | |
| Arab | 162 | 0.47%, see rank | 0.72% | 0.56% |
| Czech | 121 | 0.35%, see rank | 0.22% | 0.47% |
| Danish | 235 | 0.68%, see rank | 0.46% | 0.42% |
| Dutch | 507 | 1.47%, see rank | 0.99% | 1.40% |
| English | 3,559 | 10.34%, see rank | 5.94% | 8.02% |
| French | 1,043 | 3.03%, see rank | 2.15% | 3.34% |
| German | 5,005 | 14.54%, see rank | 8.51% | 15.03% |
| Greek | 254 | 0.74%, see rank | 0.35% | 0.41% |
| Hungarian | 136 | 0.40%, see rank | 0.32% | 0.46% |
| Irish | 5,166 | 15.01%, see rank | 6.69% | 10.80% |
| Italian | 2,360 | 6.85%, see rank | 3.97% | 5.52% |
| Norwegian | 717 | 2.08%, see rank | 1.02% | 1.42% |
| Polish | 637 | 1.85%, see rank | 1.32% | 3.01% |
| Portuguese | 530 | 1.54%, see rank | 0.91% | 0.44% |
| Russian | 523 | 1.52%, see rank | 1.13% | 0.92% |
| Scotch-Irish | 371 | 1.08%, see rank | 0.61% | 0.99% |
| Scottish | 1,158 | 3.36%, see rank | 1.34% | 1.72% |
| Subsaharan African | 93 | 0.27%, see rank | 0.69% | 0.95% |
| Swedish | 785 | 2.28%, see rank | 1.09% | 1.27% |
| Swiss | 142 | 0.41%, see rank | 0.27% | 0.30% |
| Ukrainian | 141 | 0.41%, see rank | 0.27% | 0.31% |
| American | 1,084 | 3.15%, see rank | 3.22% | 7.12% |
| Welsh | 315 | 0.91%, see rank | 0.43% | 0.57% |
ACS 2008-2012 data
30,679 (90.96%) out of the total population of 33,728 reported first ancestry.
| 94523 Zip Code | % of the Total Population | California | U.S. | |
| Arab | 301 | 0.89%, see rank | 0.70% | 0.53% |
| Czech | 157 | 0.47%, see rank | 0.24% | 0.50% |
| Danish | 315 | 0.93%, see rank | 0.50% | 0.45% |
| Dutch | 515 | 1.53%, see rank | 1.08% | 1.51% |
| English | 3,729 | 11.06%, see rank | 6.39% | 8.53% |
| French | 1,065 | 3.16%, see rank | 2.28% | 3.54% |
| German | 5,423 | 16.08%, see rank | 9.10% | 15.79% |
| Greek | 254 | 0.75%, see rank | 0.35% | 0.42% |
| Hungarian | 189 | 0.56%, see rank | 0.34% | 0.48% |
| Irish | 4,447 | 13.18%, see rank | 7.13% | 11.36% |
| Italian | 2,512 | 7.45%, see rank | 4.08% | 5.66% |
| Norwegian | 878 | 2.60%, see rank | 1.06% | 1.46% |
| Polish | 558 | 1.65%, see rank | 1.35% | 3.13% |
| Portuguese | 511 | 1.52%, see rank | 0.96% | 0.46% |
| Russian | 630 | 1.87%, see rank | 1.18% | 0.97% |
| Scotch-Irish | 417 | 1.24%, see rank | 0.67% | 1.07% |
| Scottish | 1,067 | 3.16%, see rank | 1.43% | 1.81% |
| Subsaharan African | 22 | 0.07%, see rank | 0.72% | 0.93% |
| Swedish | 714 | 2.12%, see rank | 1.16% | 1.34% |
| Swiss | 109 | 0.32%, see rank | 0.28% | 0.31% |
| Ukrainian | 81 | 0.24%, see rank | 0.26% | 0.31% |
| American | 1,483 | 4.40%, see rank | 2.78% | 6.72% |
| Welsh | 419 | 1.24%, see rank | 0.46% | 0.60% |
US Census 2000 data
28,669 (87.75%) out of the total population of 32,671 reported first ancestry.
| 94523 Zip Code | % of the Total Population | California | U.S. | |
| Arab | 242 | 0.74%, see rank | 0.50% | 0.36% |
| Czech | 81 | 0.25%, see rank | 0.14% | 0.27% |
| Danish | 202 | 0.62%, see rank | 0.38% | 0.30% |
| Dutch | 293 | 0.90%, see rank | 0.71% | 0.91% |
| English | 2,839 | 8.69%, see rank | 4.91% | 5.91% |
| French | 757 | 2.32%, see rank | 1.57% | 2.39% |
| German | 3,153 | 9.65%, see rank | 6.45% | 10.81% |
| Greek | 287 | 0.88%, see rank | 0.29% | 0.34% |
| Hungarian | 104 | 0.32%, see rank | 0.27% | 0.32% |
| Irish | 2,909 | 8.90%, see rank | 4.72% | 6.85% |
| Italian | 2,314 | 7.08%, see rank | 3.41% | 4.59% |
| Norwegian | 654 | 2.00%, see rank | 0.92% | 1.15% |
| Polish | 547 | 1.67%, see rank | 0.95% | 2.24% |
| Portuguese | 706 | 2.16%, see rank | 0.75% | 0.33% |
| Russian | 442 | 1.35%, see rank | 0.90% | 0.68% |
| Scotch-Irish | 555 | 1.70%, see rank | 0.87% | 1.17% |
| Scottish | 633 | 1.94%, see rank | 1.00% | 1.12% |
| Subsaharan African | 105 | 0.32%, see rank | 0.51% | 0.61% |
| Swedish | 667 | 2.04%, see rank | 0.86% | 0.87% |
| Swiss | 91 | 0.28%, see rank | 0.21% | 0.19% |
| Ukrainian | 144 | 0.44%, see rank | 0.20% | 0.24% |
| American | 1,286 | 3.94%, see rank | 3.37% | 7.33% |
| Welsh | 199 | 0.61%, 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.