USA.com / Maryland / Montgomery County / Gaithersburg, MD / 20899 / Population and Races / Historical First Ancestry Data
20899 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
122 (93.13%) out of the total population of 131 reported first ancestry.
| 20899 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.48% | 0.56% |
| Czech | 0 | 0.00%, see rank | 0.38% | 0.47% |
| Danish | 0 | 0.00%, see rank | 0.18% | 0.42% |
| Dutch | 0 | 0.00%, see rank | 0.86% | 1.40% |
| English | 0 | 0.00%, see rank | 7.82% | 8.02% |
| French | 0 | 0.00%, see rank | 1.89% | 3.34% |
| German | 16 | 12.21%, see rank | 14.69% | 15.03% |
| Greek | 0 | 0.00%, see rank | 0.59% | 0.41% |
| Hungarian | 0 | 0.00%, see rank | 0.41% | 0.46% |
| Irish | 16 | 12.21%, see rank | 11.24% | 10.80% |
| Italian | 0 | 0.00%, see rank | 5.21% | 5.52% |
| Norwegian | 0 | 0.00%, see rank | 0.51% | 1.42% |
| Polish | 0 | 0.00%, see rank | 3.31% | 3.01% |
| Portuguese | 0 | 0.00%, see rank | 0.18% | 0.44% |
| Russian | 0 | 0.00%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 6 | 4.58%, see rank | 0.75% | 0.99% |
| Scottish | 0 | 0.00%, see rank | 1.63% | 1.72% |
| Subsaharan African | 48 | 36.64%, see rank | 3.62% | 0.95% |
| Swedish | 6 | 4.58%, see rank | 0.58% | 1.27% |
| Swiss | 0 | 0.00%, see rank | 0.20% | 0.30% |
| Ukrainian | 0 | 0.00%, see rank | 0.37% | 0.31% |
| American | 0 | 0.00%, see rank | 5.14% | 7.12% |
| Welsh | 0 | 0.00%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
130 (100.00%) out of the total population of 130 reported first ancestry.
| 20899 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 0 | 0.00%, see rank | 0.46% | 0.53% |
| Czech | 0 | 0.00%, see rank | 0.43% | 0.50% |
| Danish | 0 | 0.00%, see rank | 0.21% | 0.45% |
| Dutch | 0 | 0.00%, see rank | 0.95% | 1.51% |
| English | 10 | 7.69%, see rank | 8.43% | 8.53% |
| French | 0 | 0.00%, see rank | 2.08% | 3.54% |
| German | 10 | 7.69%, see rank | 15.67% | 15.79% |
| Greek | 0 | 0.00%, see rank | 0.59% | 0.42% |
| Hungarian | 0 | 0.00%, see rank | 0.43% | 0.48% |
| Irish | 0 | 0.00%, see rank | 11.84% | 11.36% |
| Italian | 0 | 0.00%, see rank | 5.34% | 5.66% |
| Norwegian | 0 | 0.00%, see rank | 0.51% | 1.46% |
| Polish | 0 | 0.00%, see rank | 3.44% | 3.13% |
| Portuguese | 0 | 0.00%, see rank | 0.18% | 0.46% |
| Russian | 0 | 0.00%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 0 | 0.00%, see rank | 0.84% | 1.07% |
| Scottish | 0 | 0.00%, see rank | 1.70% | 1.81% |
| Subsaharan African | 42 | 32.31%, see rank | 3.17% | 0.93% |
| Swedish | 0 | 0.00%, see rank | 0.61% | 1.34% |
| Swiss | 0 | 0.00%, see rank | 0.22% | 0.31% |
| Ukrainian | 0 | 0.00%, see rank | 0.40% | 0.31% |
| American | 0 | 0.00%, see rank | 4.77% | 6.72% |
| Welsh | 0 | 0.00%, see rank | 0.69% | 0.60% |
* 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.