USA.com / Maryland / Frederick County / Rocky Ridge, MD / 21778 / Population and Races / Historical First Ancestry Data
21778 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
994 (87.12%) out of the total population of 1,141 reported first ancestry.
21778 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 | 158 | 13.85%, see rank | 7.82% | 8.02% |
French | 9 | 0.79%, see rank | 1.89% | 3.34% |
German | 482 | 42.24%, 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 | 188 | 16.48%, see rank | 11.24% | 10.80% |
Italian | 62 | 5.43%, see rank | 5.21% | 5.52% |
Norwegian | 0 | 0.00%, see rank | 0.51% | 1.42% |
Polish | 8 | 0.70%, 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 | 0 | 0.00%, see rank | 0.75% | 0.99% |
Scottish | 35 | 3.07%, see rank | 1.63% | 1.72% |
Subsaharan African | 0 | 0.00%, see rank | 3.62% | 0.95% |
Swedish | 7 | 0.61%, see rank | 0.58% | 1.27% |
Swiss | 0 | 0.00%, see rank | 0.20% | 0.30% |
Ukrainian | 13 | 1.14%, see rank | 0.37% | 0.31% |
American | 134 | 11.74%, see rank | 5.14% | 7.12% |
Welsh | 0 | 0.00%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
1,095 (81.41%) out of the total population of 1,345 reported first ancestry.
21778 Zip Code | % of the Total Population | Maryland | U.S. | |
Arab | 64 | 4.76%, see rank | 0.46% | 0.53% |
Czech | 10 | 0.74%, 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 | 195 | 14.50%, see rank | 8.43% | 8.53% |
French | 60 | 4.46%, see rank | 2.08% | 3.54% |
German | 436 | 32.42%, 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 | 324 | 24.09%, see rank | 11.84% | 11.36% |
Italian | 125 | 9.29%, 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 | 45 | 3.35%, see rank | 1.70% | 1.81% |
Subsaharan African | 10 | 0.74%, see rank | 3.17% | 0.93% |
Swedish | 6 | 0.45%, see rank | 0.61% | 1.34% |
Swiss | 0 | 0.00%, see rank | 0.22% | 0.31% |
Ukrainian | 10 | 0.74%, see rank | 0.40% | 0.31% |
American | 116 | 8.62%, see rank | 4.77% | 6.72% |
Welsh | 0 | 0.00%, see rank | 0.69% | 0.60% |
US Census 2000 data
748 (73.33%) out of the total population of 1,020 reported first ancestry.
21778 Zip Code | % of the Total Population | Maryland | U.S. | |
Arab | 0 | 0.00%, see rank | 0.32% | 0.36% |
Czech | 0 | 0.00%, see rank | 0.21% | 0.27% |
Danish | 0 | 0.00%, see rank | 0.13% | 0.30% |
Dutch | 6 | 0.59%, see rank | 0.52% | 0.91% |
English | 51 | 5.00%, see rank | 6.01% | 5.91% |
French | 0 | 0.00%, see rank | 1.31% | 2.39% |
German | 208 | 20.39%, see rank | 10.82% | 10.81% |
Greek | 0 | 0.00%, see rank | 0.51% | 0.34% |
Hungarian | 0 | 0.00%, see rank | 0.27% | 0.32% |
Irish | 87 | 8.53%, see rank | 7.46% | 6.85% |
Italian | 24 | 2.35%, see rank | 4.06% | 4.59% |
Norwegian | 0 | 0.00%, see rank | 0.35% | 1.15% |
Polish | 0 | 0.00%, see rank | 2.44% | 2.24% |
Portuguese | 0 | 0.00%, see rank | 0.12% | 0.33% |
Russian | 0 | 0.00%, see rank | 1.10% | 0.68% |
Scotch-Irish | 0 | 0.00%, see rank | 0.95% | 1.17% |
Scottish | 25 | 2.45%, see rank | 1.10% | 1.12% |
Subsaharan African | 0 | 0.00%, see rank | 1.81% | 0.61% |
Swedish | 0 | 0.00%, see rank | 0.36% | 0.87% |
Swiss | 0 | 0.00%, see rank | 0.13% | 0.19% |
Ukrainian | 0 | 0.00%, see rank | 0.28% | 0.24% |
American | 292 | 28.63%, see rank | 5.77% | 7.33% |
Welsh | 6 | 0.59%, 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.