USA.com / Maryland / Montgomery County / Gaithersburg, MD / 20878 / Population and Races / Historical First Ancestry Data
20878 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
57,994 (90.82%) out of the total population of 63,855 reported first ancestry.
| 20878 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 664 | 1.04%, see rank | 0.48% | 0.56% |
| Czech | 196 | 0.31%, see rank | 0.38% | 0.47% |
| Danish | 182 | 0.29%, see rank | 0.18% | 0.42% |
| Dutch | 370 | 0.58%, see rank | 0.86% | 1.40% |
| English | 4,166 | 6.52%, see rank | 7.82% | 8.02% |
| French | 1,514 | 2.37%, see rank | 1.89% | 3.34% |
| German | 6,007 | 9.41%, see rank | 14.69% | 15.03% |
| Greek | 377 | 0.59%, see rank | 0.59% | 0.41% |
| Hungarian | 413 | 0.65%, see rank | 0.41% | 0.46% |
| Irish | 5,286 | 8.28%, see rank | 11.24% | 10.80% |
| Italian | 2,879 | 4.51%, see rank | 5.21% | 5.52% |
| Norwegian | 393 | 0.62%, see rank | 0.51% | 1.42% |
| Polish | 2,185 | 3.42%, see rank | 3.31% | 3.01% |
| Portuguese | 128 | 0.20%, see rank | 0.18% | 0.44% |
| Russian | 2,962 | 4.64%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 494 | 0.77%, see rank | 0.75% | 0.99% |
| Scottish | 1,194 | 1.87%, see rank | 1.63% | 1.72% |
| Subsaharan African | 2,263 | 3.54%, see rank | 3.62% | 0.95% |
| Swedish | 480 | 0.75%, see rank | 0.58% | 1.27% |
| Swiss | 68 | 0.11%, see rank | 0.20% | 0.30% |
| Ukrainian | 432 | 0.68%, see rank | 0.37% | 0.31% |
| American | 2,778 | 4.35%, see rank | 5.14% | 7.12% |
| Welsh | 409 | 0.64%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
58,613 (93.06%) out of the total population of 62,983 reported first ancestry.
| 20878 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 608 | 0.97%, see rank | 0.46% | 0.53% |
| Czech | 183 | 0.29%, see rank | 0.43% | 0.50% |
| Danish | 361 | 0.57%, see rank | 0.21% | 0.45% |
| Dutch | 465 | 0.74%, see rank | 0.95% | 1.51% |
| English | 5,017 | 7.97%, see rank | 8.43% | 8.53% |
| French | 1,585 | 2.52%, see rank | 2.08% | 3.54% |
| German | 6,767 | 10.74%, see rank | 15.67% | 15.79% |
| Greek | 583 | 0.93%, see rank | 0.59% | 0.42% |
| Hungarian | 398 | 0.63%, see rank | 0.43% | 0.48% |
| Irish | 6,290 | 9.99%, see rank | 11.84% | 11.36% |
| Italian | 3,064 | 4.86%, see rank | 5.34% | 5.66% |
| Norwegian | 293 | 0.47%, see rank | 0.51% | 1.46% |
| Polish | 1,930 | 3.06%, see rank | 3.44% | 3.13% |
| Portuguese | 136 | 0.22%, see rank | 0.18% | 0.46% |
| Russian | 2,918 | 4.63%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 587 | 0.93%, see rank | 0.84% | 1.07% |
| Scottish | 1,335 | 2.12%, see rank | 1.70% | 1.81% |
| Subsaharan African | 1,457 | 2.31%, see rank | 3.17% | 0.93% |
| Swedish | 691 | 1.10%, see rank | 0.61% | 1.34% |
| Swiss | 135 | 0.21%, see rank | 0.22% | 0.31% |
| Ukrainian | 358 | 0.57%, see rank | 0.40% | 0.31% |
| American | 2,219 | 3.52%, see rank | 4.77% | 6.72% |
| Welsh | 467 | 0.74%, see rank | 0.69% | 0.60% |
US Census 2000 data
49,179 (89.13%) out of the total population of 55,177 reported first ancestry.
| 20878 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 263 | 0.48%, see rank | 0.32% | 0.36% |
| Czech | 55 | 0.10%, see rank | 0.21% | 0.27% |
| Danish | 98 | 0.18%, see rank | 0.13% | 0.30% |
| Dutch | 179 | 0.32%, see rank | 0.52% | 0.91% |
| English | 2,878 | 5.22%, see rank | 6.01% | 5.91% |
| French | 905 | 1.64%, see rank | 1.31% | 2.39% |
| German | 4,101 | 7.43%, see rank | 10.82% | 10.81% |
| Greek | 411 | 0.74%, see rank | 0.51% | 0.34% |
| Hungarian | 229 | 0.42%, see rank | 0.27% | 0.32% |
| Irish | 4,238 | 7.68%, see rank | 7.46% | 6.85% |
| Italian | 2,504 | 4.54%, see rank | 4.06% | 4.59% |
| Norwegian | 228 | 0.41%, see rank | 0.35% | 1.15% |
| Polish | 1,157 | 2.10%, see rank | 2.44% | 2.24% |
| Portuguese | 122 | 0.22%, see rank | 0.12% | 0.33% |
| Russian | 1,880 | 3.41%, see rank | 1.10% | 0.68% |
| Scotch-Irish | 636 | 1.15%, see rank | 0.95% | 1.17% |
| Scottish | 811 | 1.47%, see rank | 1.10% | 1.12% |
| Subsaharan African | 765 | 1.39%, see rank | 1.81% | 0.61% |
| Swedish | 191 | 0.35%, see rank | 0.36% | 0.87% |
| Swiss | 100 | 0.18%, see rank | 0.13% | 0.19% |
| Ukrainian | 226 | 0.41%, see rank | 0.28% | 0.24% |
| American | 2,731 | 4.95%, see rank | 5.77% | 7.33% |
| Welsh | 153 | 0.28%, 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.