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Montgomery County Public Schools Historical First Ancestry Data
ACS 2010-2014 data
915,608 (91.10%) out of the total population of 1,005,087 reported first ancestry.
| Montgomery County Public Schools | % of the Total Population | Maryland | U.S. | |
| Arab | 10,365 | 1.03%, see rank | 0.48% | 0.56% |
| Czech | 4,042 | 0.40%, see rank | 0.38% | 0.47% |
| Danish | 2,429 | 0.24%, see rank | 0.18% | 0.42% |
| Dutch | 7,552 | 0.75%, see rank | 0.86% | 1.40% |
| English | 67,651 | 6.73%, see rank | 7.82% | 8.02% |
| French | 20,084 | 2.00%, see rank | 1.89% | 3.34% |
| German | 96,781 | 9.63%, see rank | 14.69% | 15.03% |
| Greek | 8,436 | 0.84%, see rank | 0.59% | 0.41% |
| Hungarian | 6,151 | 0.61%, see rank | 0.41% | 0.46% |
| Irish | 87,413 | 8.70%, see rank | 11.24% | 10.80% |
| Italian | 44,184 | 4.40%, see rank | 5.21% | 5.52% |
| Norwegian | 6,013 | 0.60%, see rank | 0.51% | 1.42% |
| Polish | 30,116 | 3.00%, see rank | 3.31% | 3.01% |
| Portuguese | 3,488 | 0.35%, see rank | 0.18% | 0.44% |
| Russian | 30,241 | 3.01%, see rank | 1.33% | 0.92% |
| Scotch-Irish | 7,490 | 0.75%, see rank | 0.75% | 0.99% |
| Scottish | 17,665 | 1.76%, see rank | 1.63% | 1.72% |
| Subsaharan African | 55,331 | 5.51%, see rank | 3.62% | 0.95% |
| Swedish | 7,686 | 0.76%, see rank | 0.58% | 1.27% |
| Swiss | 2,368 | 0.24%, see rank | 0.20% | 0.30% |
| Ukrainian | 6,143 | 0.61%, see rank | 0.37% | 0.31% |
| American | 37,190 | 3.70%, see rank | 5.14% | 7.12% |
| Welsh | 5,516 | 0.55%, see rank | 0.63% | 0.57% |
ACS 2008-2012 data
905,045 (92.84%) out of the total population of 974,824 reported first ancestry.
| Montgomery County Public Schools | % of the Total Population | Maryland | U.S. | |
| Arab | 9,847 | 1.01%, see rank | 0.46% | 0.53% |
| Czech | 3,966 | 0.41%, see rank | 0.43% | 0.50% |
| Danish | 3,170 | 0.33%, see rank | 0.21% | 0.45% |
| Dutch | 8,542 | 0.88%, see rank | 0.95% | 1.51% |
| English | 73,356 | 7.53%, see rank | 8.43% | 8.53% |
| French | 21,759 | 2.23%, see rank | 2.08% | 3.54% |
| German | 98,877 | 10.14%, see rank | 15.67% | 15.79% |
| Greek | 8,275 | 0.85%, see rank | 0.59% | 0.42% |
| Hungarian | 6,176 | 0.63%, see rank | 0.43% | 0.48% |
| Irish | 90,339 | 9.27%, see rank | 11.84% | 11.36% |
| Italian | 43,475 | 4.46%, see rank | 5.34% | 5.66% |
| Norwegian | 6,190 | 0.63%, see rank | 0.51% | 1.46% |
| Polish | 29,306 | 3.01%, see rank | 3.44% | 3.13% |
| Portuguese | 3,482 | 0.36%, see rank | 0.18% | 0.46% |
| Russian | 32,678 | 3.35%, see rank | 1.45% | 0.97% |
| Scotch-Irish | 8,288 | 0.85%, see rank | 0.84% | 1.07% |
| Scottish | 17,976 | 1.84%, see rank | 1.70% | 1.81% |
| Subsaharan African | 51,886 | 5.32%, see rank | 3.17% | 0.93% |
| Swedish | 8,289 | 0.85%, see rank | 0.61% | 1.34% |
| Swiss | 2,887 | 0.30%, see rank | 0.22% | 0.31% |
| Ukrainian | 6,411 | 0.66%, see rank | 0.40% | 0.31% |
| American | 30,006 | 3.08%, see rank | 4.77% | 6.72% |
| Welsh | 5,852 | 0.60%, see rank | 0.69% | 0.60% |
ACS 2006-2010 data
881,361 (93.05%) out of the total population of 947,230 reported first ancestry.
| Montgomery County Public Schools | % of the Total Population | Maryland | U.S. | |
| Arab | 9,459 | 1.00%, see rank | 0.42% | 0.50% |
| Czech | 3,330 | 0.35%, see rank | 0.42% | 0.53% |
| Danish | 2,856 | 0.30%, see rank | 0.21% | 0.48% |
| Dutch | 8,124 | 0.86%, see rank | 1.04% | 1.63% |
| English | 74,815 | 7.90%, see rank | 8.85% | 9.02% |
| French | 22,524 | 2.38%, see rank | 2.26% | 3.77% |
| German | 101,873 | 10.75%, see rank | 16.31% | 16.51% |
| Greek | 8,485 | 0.90%, see rank | 0.60% | 0.44% |
| Hungarian | 6,703 | 0.71%, see rank | 0.49% | 0.51% |
| Irish | 90,847 | 9.59%, see rank | 12.18% | 11.76% |
| Italian | 46,541 | 4.91%, see rank | 5.47% | 5.78% |
| Norwegian | 6,315 | 0.67%, see rank | 0.51% | 1.51% |
| Polish | 29,166 | 3.08%, see rank | 3.51% | 3.24% |
| Portuguese | 3,700 | 0.39%, see rank | 0.20% | 0.47% |
| Russian | 32,694 | 3.45%, see rank | 1.46% | 1.01% |
| Scotch-Irish | 13,267 | 1.40%, see rank | 1.44% | 1.72% |
| Scottish | 18,258 | 1.93%, see rank | 1.76% | 1.92% |
| Subsaharan African | 45,275 | 4.78%, see rank | 2.93% | 0.91% |
| Swedish | 8,763 | 0.93%, see rank | 0.65% | 1.41% |
| Swiss | 2,927 | 0.31%, see rank | 0.23% | 0.33% |
| Ukrainian | 6,002 | 0.63%, see rank | 0.38% | 0.31% |
| American | 27,268 | 2.88%, see rank | 4.87% | 6.28% |
| Welsh | 5,998 | 0.63%, see rank | 0.74% | 0.63% |
ACS 2005-2009 data
882,277 (93.25%) out of the total population of 946,172 reported first ancestry.
| Montgomery County Public Schools | % of the Total Population | Maryland | U.S. | |
| Arab | 9,748 | 1.03%, see rank | 0.43% | 0.50% |
| Czech | 3,824 | 0.40%, see rank | 0.43% | 0.54% |
| Danish | 3,436 | 0.36%, see rank | 0.21% | 0.49% |
| Dutch | 8,310 | 0.88%, see rank | 1.08% | 1.68% |
| English | 80,747 | 8.53%, see rank | 9.32% | 9.29% |
| French | 22,819 | 2.41%, see rank | 2.32% | 3.90% |
| German | 105,987 | 11.20%, see rank | 16.84% | 16.89% |
| Greek | 8,930 | 0.94%, see rank | 0.61% | 0.45% |
| Hungarian | 6,796 | 0.72%, see rank | 0.49% | 0.52% |
| Irish | 95,101 | 10.05%, see rank | 12.56% | 12.01% |
| Italian | 48,087 | 5.08%, see rank | 5.63% | 5.91% |
| Norwegian | 6,468 | 0.68%, see rank | 0.54% | 1.55% |
| Polish | 30,140 | 3.19%, see rank | 3.63% | 3.32% |
| Portuguese | 3,468 | 0.37%, see rank | 0.21% | 0.48% |
| Russian | 34,633 | 3.66%, see rank | 1.50% | 1.04% |
| Scotch-Irish | 14,248 | 1.51%, see rank | 1.49% | 1.77% |
| Scottish | 18,794 | 1.99%, see rank | 1.85% | 1.97% |
| Subsaharan African | 42,195 | 4.46%, see rank | 2.87% | 0.88% |
| Swedish | 8,761 | 0.93%, see rank | 0.67% | 1.45% |
| Swiss | 3,216 | 0.34%, see rank | 0.25% | 0.34% |
| Ukrainian | 5,988 | 0.63%, see rank | 0.40% | 0.32% |
| American | 30,605 | 3.23%, see rank | 5.14% | 6.43% |
| Welsh | 6,759 | 0.71%, see rank | 0.77% | 0.65% |
* 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.