Allegheny County Historical First Ancestry Data
ACS 2010-2014 data
1,103,112 (89.74%) out of the total population of 1,229,172 reported first ancestry.
| Allegheny County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 8,322 | 0.68%, see rank | 0.49% | 0.56% |
| Czech | 7,992 | 0.65%, see rank | 0.40% | 0.47% |
| Danish | 1,201 | 0.10%, see rank | 0.13% | 0.42% |
| Dutch | 9,090 | 0.74%, see rank | 1.76% | 1.40% |
| English | 88,828 | 7.23%, see rank | 7.42% | 8.02% |
| French | 22,696 | 1.85%, see rank | 1.87% | 3.34% |
| German | 325,671 | 26.50%, see rank | 27.27% | 15.03% |
| Greek | 9,078 | 0.74%, see rank | 0.50% | 0.41% |
| Hungarian | 22,864 | 1.86%, see rank | 1.03% | 0.46% |
| Irish | 237,126 | 19.29%, see rank | 16.97% | 10.80% |
| Italian | 202,362 | 16.46%, see rank | 12.13% | 5.52% |
| Norwegian | 3,325 | 0.27%, see rank | 0.33% | 1.42% |
| Polish | 111,539 | 9.07%, see rank | 6.62% | 3.01% |
| Portuguese | 1,157 | 0.09%, see rank | 0.15% | 0.44% |
| Russian | 20,951 | 1.70%, see rank | 1.47% | 0.92% |
| Scotch-Irish | 18,337 | 1.49%, see rank | 1.18% | 0.99% |
| Scottish | 22,178 | 1.80%, see rank | 1.50% | 1.72% |
| Subsaharan African | 14,458 | 1.18%, see rank | 0.74% | 0.95% |
| Swedish | 10,632 | 0.86%, see rank | 0.82% | 1.27% |
| Swiss | 2,921 | 0.24%, see rank | 0.51% | 0.30% |
| Ukrainian | 12,132 | 0.99%, see rank | 0.88% | 0.31% |
| American | 47,217 | 3.84%, see rank | 5.22% | 7.12% |
| Welsh | 12,918 | 1.05%, see rank | 1.30% | 0.57% |
ACS 2008-2012 data
1,116,403 (91.15%) out of the total population of 1,224,772 reported first ancestry.
| Allegheny County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 8,203 | 0.67%, see rank | 0.49% | 0.53% |
| Czech | 8,555 | 0.70%, see rank | 0.44% | 0.50% |
| Danish | 1,210 | 0.10%, see rank | 0.14% | 0.45% |
| Dutch | 9,352 | 0.76%, see rank | 1.94% | 1.51% |
| English | 93,515 | 7.64%, see rank | 7.94% | 8.53% |
| French | 23,802 | 1.94%, see rank | 1.99% | 3.54% |
| German | 337,449 | 27.55%, see rank | 28.44% | 15.79% |
| Greek | 9,407 | 0.77%, see rank | 0.51% | 0.42% |
| Hungarian | 23,568 | 1.92%, see rank | 1.08% | 0.48% |
| Irish | 244,206 | 19.94%, see rank | 17.65% | 11.36% |
| Italian | 203,083 | 16.58%, see rank | 12.26% | 5.66% |
| Norwegian | 3,423 | 0.28%, see rank | 0.34% | 1.46% |
| Polish | 112,956 | 9.22%, see rank | 6.78% | 3.13% |
| Portuguese | 970 | 0.08%, see rank | 0.15% | 0.46% |
| Russian | 21,925 | 1.79%, see rank | 1.53% | 0.97% |
| Scotch-Irish | 19,556 | 1.60%, see rank | 1.30% | 1.07% |
| Scottish | 24,509 | 2.00%, see rank | 1.58% | 1.81% |
| Subsaharan African | 12,537 | 1.02%, see rank | 0.68% | 0.93% |
| Swedish | 10,829 | 0.88%, see rank | 0.85% | 1.34% |
| Swiss | 3,830 | 0.31%, see rank | 0.55% | 0.31% |
| Ukrainian | 12,505 | 1.02%, see rank | 0.91% | 0.31% |
| American | 43,660 | 3.56%, see rank | 4.84% | 6.72% |
| Welsh | 13,731 | 1.12%, see rank | 1.41% | 0.60% |
ACS 2006-2010 data
1,129,426 (92.34%) out of the total population of 1,223,066 reported first ancestry.
| Allegheny County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 7,765 | 0.63%, see rank | 0.47% | 0.50% |
| Czech | 8,967 | 0.73%, see rank | 0.46% | 0.53% |
| Danish | 1,367 | 0.11%, see rank | 0.15% | 0.48% |
| Dutch | 10,424 | 0.85%, see rank | 2.13% | 1.63% |
| English | 99,246 | 8.11%, see rank | 8.35% | 9.02% |
| French | 23,837 | 1.95%, see rank | 2.11% | 3.77% |
| German | 351,002 | 28.70%, see rank | 29.39% | 16.51% |
| Greek | 9,019 | 0.74%, see rank | 0.53% | 0.44% |
| Hungarian | 25,216 | 2.06%, see rank | 1.15% | 0.51% |
| Irish | 248,120 | 20.29%, see rank | 17.85% | 11.76% |
| Italian | 204,475 | 16.72%, see rank | 12.51% | 5.78% |
| Norwegian | 3,528 | 0.29%, see rank | 0.34% | 1.51% |
| Polish | 117,739 | 9.63%, see rank | 6.98% | 3.24% |
| Portuguese | 919 | 0.08%, see rank | 0.15% | 0.47% |
| Russian | 22,864 | 1.87%, see rank | 1.60% | 1.01% |
| Scotch-Irish | 30,257 | 2.47%, see rank | 1.99% | 1.72% |
| Scottish | 24,747 | 2.02%, see rank | 1.67% | 1.92% |
| Subsaharan African | 9,360 | 0.77%, see rank | 0.65% | 0.91% |
| Swedish | 10,590 | 0.87%, see rank | 0.91% | 1.41% |
| Swiss | 4,366 | 0.36%, see rank | 0.57% | 0.33% |
| Ukrainian | 13,303 | 1.09%, see rank | 0.94% | 0.31% |
| American | 37,299 | 3.05%, see rank | 4.36% | 6.28% |
| Welsh | 15,698 | 1.28%, see rank | 1.49% | 0.63% |
ACS 2005-2009 data
1,134,429 (92.80%) out of the total population of 1,222,473 reported first ancestry.
| Allegheny County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 8,158 | 0.67%, see rank | 0.47% | 0.50% |
| Czech | 9,315 | 0.76%, see rank | 0.47% | 0.54% |
| Danish | 1,791 | 0.15%, see rank | 0.16% | 0.49% |
| Dutch | 9,882 | 0.81%, see rank | 2.21% | 1.68% |
| English | 102,940 | 8.42%, see rank | 8.53% | 9.29% |
| French | 24,373 | 1.99%, see rank | 2.15% | 3.90% |
| German | 357,134 | 29.21%, see rank | 29.85% | 16.89% |
| Greek | 9,088 | 0.74%, see rank | 0.53% | 0.45% |
| Hungarian | 25,552 | 2.09%, see rank | 1.17% | 0.52% |
| Irish | 252,269 | 20.64%, see rank | 18.11% | 12.01% |
| Italian | 205,296 | 16.79%, see rank | 12.73% | 5.91% |
| Norwegian | 3,364 | 0.28%, see rank | 0.35% | 1.55% |
| Polish | 120,775 | 9.88%, see rank | 7.14% | 3.32% |
| Portuguese | 919 | 0.08%, see rank | 0.15% | 0.48% |
| Russian | 23,044 | 1.89%, see rank | 1.65% | 1.04% |
| Scotch-Irish | 31,830 | 2.60%, see rank | 2.06% | 1.77% |
| Scottish | 24,528 | 2.01%, see rank | 1.70% | 1.97% |
| Subsaharan African | 7,682 | 0.63%, see rank | 0.64% | 0.88% |
| Swedish | 10,734 | 0.88%, see rank | 0.93% | 1.45% |
| Swiss | 4,195 | 0.34%, see rank | 0.58% | 0.34% |
| Ukrainian | 13,952 | 1.14%, see rank | 0.98% | 0.32% |
| American | 35,296 | 2.89%, see rank | 4.49% | 6.43% |
| Welsh | 15,544 | 1.27%, see rank | 1.52% | 0.65% |
US Census 2000 data
1,085,591 (84.70%) out of the total population of 1,281,666 reported first ancestry.
| Allegheny County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 5,749 | 0.45%, see rank | 0.32% | 0.36% |
| Czech | 3,872 | 0.30%, see rank | 0.17% | 0.27% |
| Danish | 566 | 0.04%, see rank | 0.08% | 0.30% |
| Dutch | 3,372 | 0.26%, see rank | 0.99% | 0.91% |
| English | 55,575 | 4.34%, see rank | 4.75% | 5.91% |
| French | 11,619 | 0.91%, see rank | 1.05% | 2.39% |
| German | 218,121 | 17.02%, see rank | 19.14% | 10.81% |
| Greek | 7,182 | 0.56%, see rank | 0.37% | 0.34% |
| Hungarian | 14,459 | 1.13%, see rank | 0.66% | 0.32% |
| Irish | 137,746 | 10.75%, see rank | 10.11% | 6.85% |
| Italian | 162,773 | 12.70%, see rank | 9.55% | 4.59% |
| Norwegian | 2,177 | 0.17%, see rank | 0.22% | 1.15% |
| Polish | 81,353 | 6.35%, see rank | 4.74% | 2.24% |
| Portuguese | 459 | 0.04%, see rank | 0.08% | 0.33% |
| Russian | 13,984 | 1.09%, see rank | 1.04% | 0.68% |
| Scotch-Irish | 20,163 | 1.57%, see rank | 1.29% | 1.17% |
| Scottish | 14,034 | 1.09%, see rank | 0.93% | 1.12% |
| Subsaharan African | 7,299 | 0.57%, see rank | 0.46% | 0.61% |
| Swedish | 5,943 | 0.46%, see rank | 0.51% | 0.87% |
| Swiss | 1,731 | 0.14%, see rank | 0.31% | 0.19% |
| Ukrainian | 9,717 | 0.76%, see rank | 0.72% | 0.24% |
| American | 38,147 | 2.98%, see rank | 5.16% | 7.33% |
| Welsh | 6,264 | 0.49%, see rank | 0.72% | 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.