USA.com / Maryland / Montgomery County / Rockville, MD / Population and Races / Historical First Ancestry Data
Rockville, MD Historical First Ancestry Data
ACS 2010-2014 data
58,335 (92.01%) out of the total population of 63,402 reported first ancestry.
| Rockville, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 577 | 0.91%, see rank | 0.48% | 0.56% |
| Czech | 291 | 0.46%, see rank | 0.38% | 0.47% |
| Danish | 234 | 0.37%, see rank | 0.18% | 0.42% |
| Dutch | 397 | 0.63%, see rank | 0.86% | 1.40% |
| English | 3,890 | 6.14%, see rank | 7.82% | 8.02% |
| French | 1,308 | 2.06%, see rank | 1.89% | 3.34% |
| German | 6,763 | 10.67%, see rank | 14.69% | 15.03% |
| Greek | 304 | 0.48%, see rank | 0.59% | 0.41% |
| Hungarian | 437 | 0.69%, see rank | 0.41% | 0.46% |
| Irish | 5,807 | 9.16%, see rank | 11.24% | 10.80% |
| Italian | 2,492 | 3.93%, see rank | 5.21% | 5.52% |
| Norwegian | 297 | 0.47%, see rank | 0.51% | 1.42% |
| Polish | 2,073 | 3.27%, see rank | 3.31% | 3.01% |
| Portuguese | 164 | 0.26%, see rank | 0.18% | 0.44% |
| Russian | 2,539 | 4.00%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 520 | 0.82%, see rank | 0.75% | 0.99% |
| Scottish | 1,249 | 1.97%, see rank | 1.63% | 1.72% |
| Subsaharan African | 1,251 | 1.97%, see rank | 3.62% | 0.95% |
| Swedish | 388 | 0.61%, see rank | 0.58% | 1.27% |
| Swiss | 77 | 0.12%, see rank | 0.20% | 0.30% |
| Ukrainian | 538 | 0.85%, see rank | 0.37% | 0.31% |
| American | 2,448 | 3.86%, see rank | 5.14% | 7.12% |
| Welsh | 405 | 0.64%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
56,623 (92.89%) out of the total population of 60,960 reported first ancestry.
| Rockville, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 614 | 1.01%, see rank | 0.46% | 0.53% |
| Czech | 275 | 0.45%, see rank | 0.43% | 0.50% |
| Danish | 185 | 0.30%, see rank | 0.21% | 0.45% |
| Dutch | 437 | 0.72%, see rank | 0.95% | 1.51% |
| English | 4,480 | 7.35%, see rank | 8.43% | 8.53% |
| French | 1,118 | 1.83%, see rank | 2.08% | 3.54% |
| German | 6,089 | 9.99%, see rank | 15.67% | 15.79% |
| Greek | 427 | 0.70%, see rank | 0.59% | 0.42% |
| Hungarian | 535 | 0.88%, see rank | 0.43% | 0.48% |
| Irish | 5,873 | 9.63%, see rank | 11.84% | 11.36% |
| Italian | 2,214 | 3.63%, see rank | 5.34% | 5.66% |
| Norwegian | 364 | 0.60%, see rank | 0.51% | 1.46% |
| Polish | 2,022 | 3.32%, see rank | 3.44% | 3.13% |
| Portuguese | 244 | 0.40%, see rank | 0.18% | 0.46% |
| Russian | 2,610 | 4.28%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 726 | 1.19%, see rank | 0.84% | 1.07% |
| Scottish | 1,447 | 2.37%, see rank | 1.70% | 1.81% |
| Subsaharan African | 942 | 1.55%, see rank | 3.17% | 0.93% |
| Swedish | 572 | 0.94%, see rank | 0.61% | 1.34% |
| Swiss | 118 | 0.19%, see rank | 0.22% | 0.31% |
| Ukrainian | 513 | 0.84%, see rank | 0.40% | 0.31% |
| American | 1,965 | 3.22%, see rank | 4.77% | 6.72% |
| Welsh | 475 | 0.78%, see rank | 0.69% | 0.60% |
ACS 2006-2010 data
54,332 (93.19%) out of the total population of 58,300 reported first ancestry.
| Rockville, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 511 | 0.88%, see rank | 0.42% | 0.50% |
| Czech | 200 | 0.34%, see rank | 0.42% | 0.53% |
| Danish | 147 | 0.25%, see rank | 0.21% | 0.48% |
| Dutch | 481 | 0.83%, see rank | 1.04% | 1.63% |
| English | 4,601 | 7.89%, see rank | 8.85% | 9.02% |
| French | 1,297 | 2.22%, see rank | 2.26% | 3.77% |
| German | 5,957 | 10.22%, see rank | 16.31% | 16.51% |
| Greek | 481 | 0.83%, see rank | 0.60% | 0.44% |
| Hungarian | 557 | 0.96%, see rank | 0.49% | 0.51% |
| Irish | 5,725 | 9.82%, see rank | 12.18% | 11.76% |
| Italian | 2,509 | 4.30%, see rank | 5.47% | 5.78% |
| Norwegian | 351 | 0.60%, see rank | 0.51% | 1.51% |
| Polish | 2,047 | 3.51%, see rank | 3.51% | 3.24% |
| Portuguese | 349 | 0.60%, see rank | 0.20% | 0.47% |
| Russian | 2,935 | 5.03%, see rank | 1.46% | 1.01% |
| Scotch-Irish | 1,082 | 1.86%, see rank | 1.44% | 1.72% |
| Scottish | 1,159 | 1.99%, see rank | 1.76% | 1.92% |
| Subsaharan African | 1,277 | 2.19%, see rank | 2.93% | 0.91% |
| Swedish | 504 | 0.86%, see rank | 0.65% | 1.41% |
| Swiss | 90 | 0.15%, see rank | 0.23% | 0.33% |
| Ukrainian | 648 | 1.11%, see rank | 0.38% | 0.31% |
| American | 1,689 | 2.90%, see rank | 4.87% | 6.28% |
| Welsh | 580 | 0.99%, see rank | 0.74% | 0.63% |
ACS 2005-2009 data
55,928 (93.49%) out of the total population of 59,825 reported first ancestry.
| Rockville, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 634 | 1.06%, see rank | 0.43% | 0.50% |
| Czech | 252 | 0.42%, see rank | 0.43% | 0.54% |
| Danish | 140 | 0.23%, see rank | 0.21% | 0.49% |
| Dutch | 469 | 0.78%, see rank | 1.08% | 1.68% |
| English | 4,724 | 7.90%, see rank | 9.32% | 9.29% |
| French | 1,336 | 2.23%, see rank | 2.32% | 3.90% |
| German | 6,576 | 10.99%, see rank | 16.84% | 16.89% |
| Greek | 546 | 0.91%, see rank | 0.61% | 0.45% |
| Hungarian | 530 | 0.89%, see rank | 0.49% | 0.52% |
| Irish | 6,112 | 10.22%, see rank | 12.56% | 12.01% |
| Italian | 2,908 | 4.86%, see rank | 5.63% | 5.91% |
| Norwegian | 368 | 0.62%, see rank | 0.54% | 1.55% |
| Polish | 2,196 | 3.67%, see rank | 3.63% | 3.32% |
| Portuguese | 315 | 0.53%, see rank | 0.21% | 0.48% |
| Russian | 3,019 | 5.05%, see rank | 1.50% | 1.04% |
| Scotch-Irish | 961 | 1.61%, see rank | 1.49% | 1.77% |
| Scottish | 1,203 | 2.01%, see rank | 1.85% | 1.97% |
| Subsaharan African | 1,015 | 1.70%, see rank | 2.87% | 0.88% |
| Swedish | 458 | 0.77%, see rank | 0.67% | 1.45% |
| Swiss | 103 | 0.17%, see rank | 0.25% | 0.34% |
| Ukrainian | 582 | 0.97%, see rank | 0.40% | 0.32% |
| American | 1,735 | 2.90%, see rank | 5.14% | 6.43% |
| Welsh | 714 | 1.19%, see rank | 0.77% | 0.65% |
US Census 2000 data
41,640 (87.87%) out of the total population of 47,388 reported first ancestry.
| Rockville, MD | % of the Total Population | Maryland | U.S. | |
| Arab | 375 | 0.79%, see rank | 0.32% | 0.36% |
| Czech | 138 | 0.29%, see rank | 0.21% | 0.27% |
| Danish | 134 | 0.28%, see rank | 0.13% | 0.30% |
| Dutch | 168 | 0.35%, see rank | 0.52% | 0.91% |
| English | 2,603 | 5.49%, see rank | 6.01% | 5.91% |
| French | 726 | 1.53%, see rank | 1.31% | 2.39% |
| German | 3,392 | 7.16%, see rank | 10.82% | 10.81% |
| Greek | 341 | 0.72%, see rank | 0.51% | 0.34% |
| Hungarian | 167 | 0.35%, see rank | 0.27% | 0.32% |
| Irish | 3,593 | 7.58%, see rank | 7.46% | 6.85% |
| Italian | 1,518 | 3.20%, see rank | 4.06% | 4.59% |
| Norwegian | 231 | 0.49%, see rank | 0.35% | 1.15% |
| Polish | 875 | 1.85%, see rank | 2.44% | 2.24% |
| Portuguese | 109 | 0.23%, see rank | 0.12% | 0.33% |
| Russian | 1,660 | 3.50%, see rank | 1.10% | 0.68% |
| Scotch-Irish | 550 | 1.16%, see rank | 0.95% | 1.17% |
| Scottish | 682 | 1.44%, see rank | 1.10% | 1.12% |
| Subsaharan African | 647 | 1.37%, see rank | 1.81% | 0.61% |
| Swedish | 215 | 0.45%, see rank | 0.36% | 0.87% |
| Swiss | 37 | 0.08%, see rank | 0.13% | 0.19% |
| Ukrainian | 219 | 0.46%, see rank | 0.28% | 0.24% |
| American | 2,444 | 5.16%, see rank | 5.77% | 7.33% |
| Welsh | 148 | 0.31%, 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.