USA.com / Virginia / Fairfax County / Reston, VA / 20191 / Population and Races / Historical First Ancestry Data
20191 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
26,648 (91.82%) out of the total population of 29,021 reported first ancestry.
| 20191 Zip Code | % of the Total Population | Virginia | U.S. | |
| Arab | 228 | 0.79%, see rank | 0.83% | 0.56% |
| Czech | 71 | 0.24%, see rank | 0.28% | 0.47% |
| Danish | 72 | 0.25%, see rank | 0.23% | 0.42% |
| Dutch | 389 | 1.34%, see rank | 1.00% | 1.40% |
| English | 2,917 | 10.05%, see rank | 10.69% | 8.02% |
| French | 936 | 3.23%, see rank | 2.33% | 3.34% |
| German | 3,263 | 11.24%, see rank | 11.87% | 15.03% |
| Greek | 61 | 0.21%, see rank | 0.41% | 0.41% |
| Hungarian | 188 | 0.65%, see rank | 0.35% | 0.46% |
| Irish | 3,756 | 12.94%, see rank | 9.99% | 10.80% |
| Italian | 1,649 | 5.68%, see rank | 4.00% | 5.52% |
| Norwegian | 154 | 0.53%, see rank | 0.61% | 1.42% |
| Polish | 1,034 | 3.56%, see rank | 1.89% | 3.01% |
| Portuguese | 36 | 0.12%, see rank | 0.20% | 0.44% |
| Russian | 605 | 2.08%, see rank | 0.70% | 0.92% |
| Scotch-Irish | 573 | 1.97%, see rank | 1.68% | 0.99% |
| Scottish | 840 | 2.89%, see rank | 2.13% | 1.72% |
| Subsaharan African | 1,191 | 4.10%, see rank | 2.02% | 0.95% |
| Swedish | 336 | 1.16%, see rank | 0.71% | 1.27% |
| Swiss | 195 | 0.67%, see rank | 0.24% | 0.30% |
| Ukrainian | 108 | 0.37%, see rank | 0.23% | 0.31% |
| American | 1,177 | 4.06%, see rank | 11.04% | 7.12% |
| Welsh | 371 | 1.28%, see rank | 0.65% | 0.57% |
ACS 2008-2012 data
26,413 (92.44%) out of the total population of 28,574 reported first ancestry.
| 20191 Zip Code | % of the Total Population | Virginia | U.S. | |
| Arab | 251 | 0.88%, see rank | 0.75% | 0.53% |
| Czech | 190 | 0.66%, see rank | 0.29% | 0.50% |
| Danish | 32 | 0.11%, see rank | 0.24% | 0.45% |
| Dutch | 318 | 1.11%, see rank | 1.05% | 1.51% |
| English | 3,200 | 11.20%, see rank | 11.31% | 8.53% |
| French | 1,009 | 3.53%, see rank | 2.44% | 3.54% |
| German | 3,136 | 10.98%, see rank | 12.33% | 15.79% |
| Greek | 33 | 0.12%, see rank | 0.44% | 0.42% |
| Hungarian | 140 | 0.49%, see rank | 0.36% | 0.48% |
| Irish | 3,045 | 10.66%, see rank | 10.45% | 11.36% |
| Italian | 1,271 | 4.45%, see rank | 4.05% | 5.66% |
| Norwegian | 213 | 0.75%, see rank | 0.62% | 1.46% |
| Polish | 713 | 2.50%, see rank | 1.95% | 3.13% |
| Portuguese | 38 | 0.13%, see rank | 0.20% | 0.46% |
| Russian | 707 | 2.47%, see rank | 0.70% | 0.97% |
| Scotch-Irish | 445 | 1.56%, see rank | 1.78% | 1.07% |
| Scottish | 696 | 2.44%, see rank | 2.30% | 1.81% |
| Subsaharan African | 1,343 | 4.70%, see rank | 2.05% | 0.93% |
| Swedish | 255 | 0.89%, see rank | 0.74% | 1.34% |
| Swiss | 198 | 0.69%, see rank | 0.26% | 0.31% |
| Ukrainian | 117 | 0.41%, see rank | 0.24% | 0.31% |
| American | 1,033 | 3.62%, see rank | 11.02% | 6.72% |
| Welsh | 352 | 1.23%, see rank | 0.70% | 0.60% |
US Census 2000 data
25,556 (88.49%) out of the total population of 28,881 reported first ancestry.
| 20191 Zip Code | % of the Total Population | Virginia | U.S. | |
| Arab | 288 | 1.00%, see rank | 0.53% | 0.36% |
| Czech | 71 | 0.25%, see rank | 0.14% | 0.27% |
| Danish | 44 | 0.15%, see rank | 0.15% | 0.30% |
| Dutch | 241 | 0.83%, see rank | 0.64% | 0.91% |
| English | 2,793 | 9.67%, see rank | 8.34% | 5.91% |
| French | 517 | 1.79%, see rank | 1.56% | 2.39% |
| German | 2,629 | 9.10%, see rank | 7.93% | 10.81% |
| Greek | 157 | 0.54%, see rank | 0.30% | 0.34% |
| Hungarian | 128 | 0.44%, see rank | 0.23% | 0.32% |
| Irish | 2,239 | 7.75%, see rank | 6.46% | 6.85% |
| Italian | 1,167 | 4.04%, see rank | 2.87% | 4.59% |
| Norwegian | 253 | 0.88%, see rank | 0.48% | 1.15% |
| Polish | 481 | 1.67%, see rank | 1.17% | 2.24% |
| Portuguese | 64 | 0.22%, see rank | 0.13% | 0.33% |
| Russian | 317 | 1.10%, see rank | 0.45% | 0.68% |
| Scotch-Irish | 402 | 1.39%, see rank | 1.75% | 1.17% |
| Scottish | 601 | 2.08%, see rank | 1.43% | 1.12% |
| Subsaharan African | 746 | 2.58%, see rank | 0.96% | 0.61% |
| Swedish | 174 | 0.60%, see rank | 0.44% | 0.87% |
| Swiss | 47 | 0.16%, see rank | 0.16% | 0.19% |
| Ukrainian | 54 | 0.19%, see rank | 0.15% | 0.24% |
| American | 1,114 | 3.86%, see rank | 11.42% | 7.33% |
| Welsh | 164 | 0.57%, see rank | 0.38% | 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.