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20815 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
28,055 (91.88%) out of the total population of 30,533 reported first ancestry.
| 20815 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 688 | 2.25%, see rank | 0.48% | 0.56% |
| Czech | 210 | 0.69%, see rank | 0.38% | 0.47% |
| Danish | 257 | 0.84%, see rank | 0.18% | 0.42% |
| Dutch | 337 | 1.10%, see rank | 0.86% | 1.40% |
| English | 3,538 | 11.59%, see rank | 7.82% | 8.02% |
| French | 1,022 | 3.35%, see rank | 1.89% | 3.34% |
| German | 3,977 | 13.03%, see rank | 14.69% | 15.03% |
| Greek | 755 | 2.47%, see rank | 0.59% | 0.41% |
| Hungarian | 255 | 0.84%, see rank | 0.41% | 0.46% |
| Irish | 4,265 | 13.97%, see rank | 11.24% | 10.80% |
| Italian | 2,197 | 7.20%, see rank | 5.21% | 5.52% |
| Norwegian | 237 | 0.78%, see rank | 0.51% | 1.42% |
| Polish | 1,537 | 5.03%, see rank | 3.31% | 3.01% |
| Portuguese | 70 | 0.23%, see rank | 0.18% | 0.44% |
| Russian | 1,756 | 5.75%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 454 | 1.49%, see rank | 0.75% | 0.99% |
| Scottish | 800 | 2.62%, see rank | 1.63% | 1.72% |
| Subsaharan African | 199 | 0.65%, see rank | 3.62% | 0.95% |
| Swedish | 655 | 2.15%, see rank | 0.58% | 1.27% |
| Swiss | 109 | 0.36%, see rank | 0.20% | 0.30% |
| Ukrainian | 374 | 1.22%, see rank | 0.37% | 0.31% |
| American | 1,234 | 4.04%, see rank | 5.14% | 7.12% |
| Welsh | 285 | 0.93%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
28,503 (94.00%) out of the total population of 30,323 reported first ancestry.
| 20815 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 669 | 2.21%, see rank | 0.46% | 0.53% |
| Czech | 202 | 0.67%, see rank | 0.43% | 0.50% |
| Danish | 346 | 1.14%, see rank | 0.21% | 0.45% |
| Dutch | 452 | 1.49%, see rank | 0.95% | 1.51% |
| English | 3,829 | 12.63%, see rank | 8.43% | 8.53% |
| French | 1,097 | 3.62%, see rank | 2.08% | 3.54% |
| German | 4,255 | 14.03%, see rank | 15.67% | 15.79% |
| Greek | 396 | 1.31%, see rank | 0.59% | 0.42% |
| Hungarian | 312 | 1.03%, see rank | 0.43% | 0.48% |
| Irish | 4,572 | 15.08%, see rank | 11.84% | 11.36% |
| Italian | 2,098 | 6.92%, see rank | 5.34% | 5.66% |
| Norwegian | 375 | 1.24%, see rank | 0.51% | 1.46% |
| Polish | 1,290 | 4.25%, see rank | 3.44% | 3.13% |
| Portuguese | 83 | 0.27%, see rank | 0.18% | 0.46% |
| Russian | 1,944 | 6.41%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 441 | 1.45%, see rank | 0.84% | 1.07% |
| Scottish | 802 | 2.64%, see rank | 1.70% | 1.81% |
| Subsaharan African | 176 | 0.58%, see rank | 3.17% | 0.93% |
| Swedish | 646 | 2.13%, see rank | 0.61% | 1.34% |
| Swiss | 111 | 0.37%, see rank | 0.22% | 0.31% |
| Ukrainian | 416 | 1.37%, see rank | 0.40% | 0.31% |
| American | 1,051 | 3.47%, see rank | 4.77% | 6.72% |
| Welsh | 324 | 1.07%, see rank | 0.69% | 0.60% |
US Census 2000 data
25,199 (90.27%) out of the total population of 27,916 reported first ancestry.
| 20815 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 380 | 1.36%, see rank | 0.32% | 0.36% |
| Czech | 99 | 0.35%, see rank | 0.21% | 0.27% |
| Danish | 152 | 0.54%, see rank | 0.13% | 0.30% |
| Dutch | 234 | 0.84%, see rank | 0.52% | 0.91% |
| English | 3,047 | 10.91%, see rank | 6.01% | 5.91% |
| French | 623 | 2.23%, see rank | 1.31% | 2.39% |
| German | 2,108 | 7.55%, see rank | 10.82% | 10.81% |
| Greek | 456 | 1.63%, see rank | 0.51% | 0.34% |
| Hungarian | 282 | 1.01%, see rank | 0.27% | 0.32% |
| Irish | 3,028 | 10.85%, see rank | 7.46% | 6.85% |
| Italian | 1,251 | 4.48%, see rank | 4.06% | 4.59% |
| Norwegian | 299 | 1.07%, see rank | 0.35% | 1.15% |
| Polish | 929 | 3.33%, see rank | 2.44% | 2.24% |
| Portuguese | 28 | 0.10%, see rank | 0.12% | 0.33% |
| Russian | 1,450 | 5.19%, see rank | 1.10% | 0.68% |
| Scotch-Irish | 460 | 1.65%, see rank | 0.95% | 1.17% |
| Scottish | 515 | 1.84%, see rank | 1.10% | 1.12% |
| Subsaharan African | 277 | 0.99%, see rank | 1.81% | 0.61% |
| Swedish | 279 | 1.00%, see rank | 0.36% | 0.87% |
| Swiss | 83 | 0.30%, see rank | 0.13% | 0.19% |
| Ukrainian | 200 | 0.72%, see rank | 0.28% | 0.24% |
| American | 985 | 3.53%, see rank | 5.77% | 7.33% |
| Welsh | 154 | 0.55%, 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.