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Olney, MD Historical First Ancestry Data
ACS 2010-2014 data
31,414 (89.71%) out of the total population of 35,017 reported first ancestry.
| Olney, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 223 | 0.64%, see rank | 0.48% | 0.56% |
| Czech | 138 | 0.39%, see rank | 0.38% | 0.47% |
| Danish | 91 | 0.26%, see rank | 0.18% | 0.42% |
| Dutch | 347 | 0.99%, see rank | 0.86% | 1.40% |
| English | 3,077 | 8.79%, see rank | 7.82% | 8.02% |
| French | 735 | 2.10%, see rank | 1.89% | 3.34% |
| German | 4,260 | 12.17%, see rank | 14.69% | 15.03% |
| Greek | 371 | 1.06%, see rank | 0.59% | 0.41% |
| Hungarian | 342 | 0.98%, see rank | 0.41% | 0.46% |
| Irish | 4,925 | 14.06%, see rank | 11.24% | 10.80% |
| Italian | 2,310 | 6.60%, see rank | 5.21% | 5.52% |
| Norwegian | 213 | 0.61%, see rank | 0.51% | 1.42% |
| Polish | 1,830 | 5.23%, see rank | 3.31% | 3.01% |
| Portuguese | 61 | 0.17%, see rank | 0.18% | 0.44% |
| Russian | 1,350 | 3.86%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 273 | 0.78%, see rank | 0.75% | 0.99% |
| Scottish | 569 | 1.62%, see rank | 1.63% | 1.72% |
| Subsaharan African | 1,472 | 4.20%, see rank | 3.62% | 0.95% |
| Swedish | 235 | 0.67%, see rank | 0.58% | 1.27% |
| Swiss | 136 | 0.39%, see rank | 0.20% | 0.30% |
| Ukrainian | 201 | 0.57%, see rank | 0.37% | 0.31% |
| American | 2,068 | 5.91%, see rank | 5.14% | 7.12% |
| Welsh | 220 | 0.63%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
31,095 (92.03%) out of the total population of 33,789 reported first ancestry.
| Olney, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 276 | 0.82%, see rank | 0.46% | 0.53% |
| Czech | 101 | 0.30%, see rank | 0.43% | 0.50% |
| Danish | 114 | 0.34%, see rank | 0.21% | 0.45% |
| Dutch | 370 | 1.10%, see rank | 0.95% | 1.51% |
| English | 3,144 | 9.30%, see rank | 8.43% | 8.53% |
| French | 903 | 2.67%, see rank | 2.08% | 3.54% |
| German | 4,774 | 14.13%, see rank | 15.67% | 15.79% |
| Greek | 610 | 1.81%, see rank | 0.59% | 0.42% |
| Hungarian | 275 | 0.81%, see rank | 0.43% | 0.48% |
| Irish | 5,001 | 14.80%, see rank | 11.84% | 11.36% |
| Italian | 2,533 | 7.50%, see rank | 5.34% | 5.66% |
| Norwegian | 324 | 0.96%, see rank | 0.51% | 1.46% |
| Polish | 1,594 | 4.72%, see rank | 3.44% | 3.13% |
| Portuguese | 86 | 0.25%, see rank | 0.18% | 0.46% |
| Russian | 1,485 | 4.39%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 280 | 0.83%, see rank | 0.84% | 1.07% |
| Scottish | 599 | 1.77%, see rank | 1.70% | 1.81% |
| Subsaharan African | 1,453 | 4.30%, see rank | 3.17% | 0.93% |
| Swedish | 265 | 0.78%, see rank | 0.61% | 1.34% |
| Swiss | 113 | 0.33%, see rank | 0.22% | 0.31% |
| Ukrainian | 153 | 0.45%, see rank | 0.40% | 0.31% |
| American | 1,442 | 4.27%, see rank | 4.77% | 6.72% |
| Welsh | 192 | 0.57%, see rank | 0.69% | 0.60% |
ACS 2006-2010 data
30,995 (93.45%) out of the total population of 33,167 reported first ancestry.
| Olney, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 352 | 1.06%, see rank | 0.42% | 0.50% |
| Czech | 187 | 0.56%, see rank | 0.42% | 0.53% |
| Danish | 80 | 0.24%, see rank | 0.21% | 0.48% |
| Dutch | 530 | 1.60%, see rank | 1.04% | 1.63% |
| English | 3,525 | 10.63%, see rank | 8.85% | 9.02% |
| French | 963 | 2.90%, see rank | 2.26% | 3.77% |
| German | 5,752 | 17.34%, see rank | 16.31% | 16.51% |
| Greek | 744 | 2.24%, see rank | 0.60% | 0.44% |
| Hungarian | 368 | 1.11%, see rank | 0.49% | 0.51% |
| Irish | 5,535 | 16.69%, see rank | 12.18% | 11.76% |
| Italian | 2,935 | 8.85%, see rank | 5.47% | 5.78% |
| Norwegian | 317 | 0.96%, see rank | 0.51% | 1.51% |
| Polish | 1,135 | 3.42%, see rank | 3.51% | 3.24% |
| Portuguese | 187 | 0.56%, see rank | 0.20% | 0.47% |
| Russian | 1,271 | 3.83%, see rank | 1.46% | 1.01% |
| Scotch-Irish | 657 | 1.98%, see rank | 1.44% | 1.72% |
| Scottish | 699 | 2.11%, see rank | 1.76% | 1.92% |
| Subsaharan African | 1,018 | 3.07%, see rank | 2.93% | 0.91% |
| Swedish | 328 | 0.99%, see rank | 0.65% | 1.41% |
| Swiss | 101 | 0.30%, see rank | 0.23% | 0.33% |
| Ukrainian | 198 | 0.60%, see rank | 0.38% | 0.31% |
| American | 1,604 | 4.84%, see rank | 4.87% | 6.28% |
| Welsh | 194 | 0.58%, see rank | 0.74% | 0.63% |
ACS 2005-2009 data
31,025 (94.25%) out of the total population of 32,917 reported first ancestry.
| Olney, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 278 | 0.84%, see rank | 0.43% | 0.50% |
| Czech | 162 | 0.49%, see rank | 0.43% | 0.54% |
| Danish | 121 | 0.37%, see rank | 0.21% | 0.49% |
| Dutch | 425 | 1.29%, see rank | 1.08% | 1.68% |
| English | 4,108 | 12.48%, see rank | 9.32% | 9.29% |
| French | 1,047 | 3.18%, see rank | 2.32% | 3.90% |
| German | 5,725 | 17.39%, see rank | 16.84% | 16.89% |
| Greek | 830 | 2.52%, see rank | 0.61% | 0.45% |
| Hungarian | 336 | 1.02%, see rank | 0.49% | 0.52% |
| Irish | 5,869 | 17.83%, see rank | 12.56% | 12.01% |
| Italian | 3,137 | 9.53%, see rank | 5.63% | 5.91% |
| Norwegian | 345 | 1.05%, see rank | 0.54% | 1.55% |
| Polish | 979 | 2.97%, see rank | 3.63% | 3.32% |
| Portuguese | 136 | 0.41%, see rank | 0.21% | 0.48% |
| Russian | 1,375 | 4.18%, see rank | 1.50% | 1.04% |
| Scotch-Irish | 674 | 2.05%, see rank | 1.49% | 1.77% |
| Scottish | 724 | 2.20%, see rank | 1.85% | 1.97% |
| Subsaharan African | 908 | 2.76%, see rank | 2.87% | 0.88% |
| Swedish | 410 | 1.25%, see rank | 0.67% | 1.45% |
| Swiss | 197 | 0.60%, see rank | 0.25% | 0.34% |
| Ukrainian | 165 | 0.50%, see rank | 0.40% | 0.32% |
| American | 2,060 | 6.26%, see rank | 5.14% | 6.43% |
| Welsh | 268 | 0.81%, see rank | 0.77% | 0.65% |
US Census 2000 data
27,073 (86.12%) out of the total population of 31,438 reported first ancestry.
| Olney, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 292 | 0.93%, see rank | 0.32% | 0.36% |
| Czech | 16 | 0.05%, see rank | 0.21% | 0.27% |
| Danish | 60 | 0.19%, see rank | 0.13% | 0.30% |
| Dutch | 261 | 0.83%, see rank | 0.52% | 0.91% |
| English | 2,266 | 7.21%, see rank | 6.01% | 5.91% |
| French | 530 | 1.69%, see rank | 1.31% | 2.39% |
| German | 2,516 | 8.00%, see rank | 10.82% | 10.81% |
| Greek | 523 | 1.66%, see rank | 0.51% | 0.34% |
| Hungarian | 142 | 0.45%, see rank | 0.27% | 0.32% |
| Irish | 3,556 | 11.31%, see rank | 7.46% | 6.85% |
| Italian | 2,076 | 6.60%, see rank | 4.06% | 4.59% |
| Norwegian | 214 | 0.68%, see rank | 0.35% | 1.15% |
| Polish | 943 | 3.00%, see rank | 2.44% | 2.24% |
| Portuguese | 83 | 0.26%, see rank | 0.12% | 0.33% |
| Russian | 812 | 2.58%, see rank | 1.10% | 0.68% |
| Scotch-Irish | 410 | 1.30%, see rank | 0.95% | 1.17% |
| Scottish | 437 | 1.39%, see rank | 1.10% | 1.12% |
| Subsaharan African | 416 | 1.32%, see rank | 1.81% | 0.61% |
| Swedish | 170 | 0.54%, see rank | 0.36% | 0.87% |
| Swiss | 116 | 0.37%, see rank | 0.13% | 0.19% |
| Ukrainian | 169 | 0.54%, see rank | 0.28% | 0.24% |
| American | 2,088 | 6.64%, see rank | 5.77% | 7.33% |
| Welsh | 105 | 0.33%, 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.