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20901 Zip Code Historical First Ancestry Data
ACS 2010-2014 data
33,015 (90.93%) out of the total population of 36,308 reported first ancestry.
| 20901 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 309 | 0.85%, see rank | 0.48% | 0.56% |
| Czech | 161 | 0.44%, see rank | 0.38% | 0.47% |
| Danish | 56 | 0.15%, see rank | 0.18% | 0.42% |
| Dutch | 211 | 0.58%, see rank | 0.86% | 1.40% |
| English | 2,486 | 6.85%, see rank | 7.82% | 8.02% |
| French | 819 | 2.26%, see rank | 1.89% | 3.34% |
| German | 3,509 | 9.66%, see rank | 14.69% | 15.03% |
| Greek | 211 | 0.58%, see rank | 0.59% | 0.41% |
| Hungarian | 242 | 0.67%, see rank | 0.41% | 0.46% |
| Irish | 3,633 | 10.01%, see rank | 11.24% | 10.80% |
| Italian | 1,748 | 4.81%, see rank | 5.21% | 5.52% |
| Norwegian | 234 | 0.64%, see rank | 0.51% | 1.42% |
| Polish | 1,026 | 2.83%, see rank | 3.31% | 3.01% |
| Portuguese | 168 | 0.46%, see rank | 0.18% | 0.44% |
| Russian | 821 | 2.26%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 262 | 0.72%, see rank | 0.75% | 0.99% |
| Scottish | 680 | 1.87%, see rank | 1.63% | 1.72% |
| Subsaharan African | 2,823 | 7.78%, see rank | 3.62% | 0.95% |
| Swedish | 383 | 1.05%, see rank | 0.58% | 1.27% |
| Swiss | 95 | 0.26%, see rank | 0.20% | 0.30% |
| Ukrainian | 127 | 0.35%, see rank | 0.37% | 0.31% |
| American | 865 | 2.38%, see rank | 5.14% | 7.12% |
| Welsh | 191 | 0.53%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
32,810 (93.38%) out of the total population of 35,135 reported first ancestry.
| 20901 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 262 | 0.75%, see rank | 0.46% | 0.53% |
| Czech | 139 | 0.40%, see rank | 0.43% | 0.50% |
| Danish | 63 | 0.18%, see rank | 0.21% | 0.45% |
| Dutch | 160 | 0.46%, see rank | 0.95% | 1.51% |
| English | 2,547 | 7.25%, see rank | 8.43% | 8.53% |
| French | 887 | 2.52%, see rank | 2.08% | 3.54% |
| German | 3,271 | 9.31%, see rank | 15.67% | 15.79% |
| Greek | 270 | 0.77%, see rank | 0.59% | 0.42% |
| Hungarian | 209 | 0.59%, see rank | 0.43% | 0.48% |
| Irish | 3,766 | 10.72%, see rank | 11.84% | 11.36% |
| Italian | 1,724 | 4.91%, see rank | 5.34% | 5.66% |
| Norwegian | 195 | 0.56%, see rank | 0.51% | 1.46% |
| Polish | 1,125 | 3.20%, see rank | 3.44% | 3.13% |
| Portuguese | 182 | 0.52%, see rank | 0.18% | 0.46% |
| Russian | 816 | 2.32%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 240 | 0.68%, see rank | 0.84% | 1.07% |
| Scottish | 579 | 1.65%, see rank | 1.70% | 1.81% |
| Subsaharan African | 3,318 | 9.44%, see rank | 3.17% | 0.93% |
| Swedish | 343 | 0.98%, see rank | 0.61% | 1.34% |
| Swiss | 110 | 0.31%, see rank | 0.22% | 0.31% |
| Ukrainian | 106 | 0.30%, see rank | 0.40% | 0.31% |
| American | 726 | 2.07%, see rank | 4.77% | 6.72% |
| Welsh | 147 | 0.42%, see rank | 0.69% | 0.60% |
US Census 2000 data
30,318 (89.72%) out of the total population of 33,793 reported first ancestry.
| 20901 Zip Code | % of the Total Population | Maryland | U.S. | |
| Arab | 243 | 0.72%, see rank | 0.32% | 0.36% |
| Czech | 45 | 0.13%, see rank | 0.21% | 0.27% |
| Danish | 75 | 0.22%, see rank | 0.13% | 0.30% |
| Dutch | 183 | 0.54%, see rank | 0.52% | 0.91% |
| English | 1,719 | 5.09%, see rank | 6.01% | 5.91% |
| French | 299 | 0.88%, see rank | 1.31% | 2.39% |
| German | 2,114 | 6.26%, see rank | 10.82% | 10.81% |
| Greek | 293 | 0.87%, see rank | 0.51% | 0.34% |
| Hungarian | 104 | 0.31%, see rank | 0.27% | 0.32% |
| Irish | 2,737 | 8.10%, see rank | 7.46% | 6.85% |
| Italian | 1,028 | 3.04%, see rank | 4.06% | 4.59% |
| Norwegian | 182 | 0.54%, see rank | 0.35% | 1.15% |
| Polish | 638 | 1.89%, see rank | 2.44% | 2.24% |
| Portuguese | 85 | 0.25%, see rank | 0.12% | 0.33% |
| Russian | 749 | 2.22%, see rank | 1.10% | 0.68% |
| Scotch-Irish | 318 | 0.94%, see rank | 0.95% | 1.17% |
| Scottish | 399 | 1.18%, see rank | 1.10% | 1.12% |
| Subsaharan African | 1,822 | 5.39%, see rank | 1.81% | 0.61% |
| Swedish | 228 | 0.67%, see rank | 0.36% | 0.87% |
| Swiss | 90 | 0.27%, see rank | 0.13% | 0.19% |
| Ukrainian | 189 | 0.56%, see rank | 0.28% | 0.24% |
| American | 1,087 | 3.22%, see rank | 5.77% | 7.33% |
| Welsh | 132 | 0.39%, 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.