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Westmoreland County Historical First Ancestry Data
ACS 2010-2014 data
312,756 (86.26%) out of the total population of 362,587 reported first ancestry.
| Westmoreland County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 1,622 | 0.45%, see rank | 0.49% | 0.56% |
| Czech | 3,778 | 1.04%, see rank | 0.40% | 0.47% |
| Danish | 334 | 0.09%, see rank | 0.13% | 0.42% |
| Dutch | 5,920 | 1.63%, see rank | 1.76% | 1.40% |
| English | 34,634 | 9.55%, see rank | 7.42% | 8.02% |
| French | 6,327 | 1.74%, see rank | 1.87% | 3.34% |
| German | 112,766 | 31.10%, see rank | 27.27% | 15.03% |
| Greek | 1,964 | 0.54%, see rank | 0.50% | 0.41% |
| Hungarian | 7,179 | 1.98%, see rank | 1.03% | 0.46% |
| Irish | 63,435 | 17.50%, see rank | 16.97% | 10.80% |
| Italian | 67,904 | 18.73%, see rank | 12.13% | 5.52% |
| Norwegian | 913 | 0.25%, see rank | 0.33% | 1.42% |
| Polish | 35,965 | 9.92%, see rank | 6.62% | 3.01% |
| Portuguese | 206 | 0.06%, see rank | 0.15% | 0.44% |
| Russian | 5,023 | 1.39%, see rank | 1.47% | 0.92% |
| Scotch-Irish | 7,453 | 2.06%, see rank | 1.18% | 0.99% |
| Scottish | 7,932 | 2.19%, see rank | 1.50% | 1.72% |
| Subsaharan African | 973 | 0.27%, see rank | 0.74% | 0.95% |
| Swedish | 3,968 | 1.09%, see rank | 0.82% | 1.27% |
| Swiss | 930 | 0.26%, see rank | 0.51% | 0.30% |
| Ukrainian | 3,741 | 1.03%, see rank | 0.88% | 0.31% |
| American | 18,093 | 4.99%, see rank | 5.22% | 7.12% |
| Welsh | 3,787 | 1.04%, see rank | 1.30% | 0.57% |
ACS 2008-2012 data
323,081 (88.55%) out of the total population of 364,877 reported first ancestry.
| Westmoreland County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 1,881 | 0.52%, see rank | 0.49% | 0.53% |
| Czech | 3,954 | 1.08%, see rank | 0.44% | 0.50% |
| Danish | 321 | 0.09%, see rank | 0.14% | 0.45% |
| Dutch | 6,377 | 1.75%, see rank | 1.94% | 1.51% |
| English | 37,194 | 10.19%, see rank | 7.94% | 8.53% |
| French | 6,771 | 1.86%, see rank | 1.99% | 3.54% |
| German | 118,748 | 32.54%, see rank | 28.44% | 15.79% |
| Greek | 1,810 | 0.50%, see rank | 0.51% | 0.42% |
| Hungarian | 7,735 | 2.12%, see rank | 1.08% | 0.48% |
| Irish | 66,528 | 18.23%, see rank | 17.65% | 11.36% |
| Italian | 67,988 | 18.63%, see rank | 12.26% | 5.66% |
| Norwegian | 855 | 0.23%, see rank | 0.34% | 1.46% |
| Polish | 37,335 | 10.23%, see rank | 6.78% | 3.13% |
| Portuguese | 322 | 0.09%, see rank | 0.15% | 0.46% |
| Russian | 5,480 | 1.50%, see rank | 1.53% | 0.97% |
| Scotch-Irish | 8,072 | 2.21%, see rank | 1.30% | 1.07% |
| Scottish | 8,476 | 2.32%, see rank | 1.58% | 1.81% |
| Subsaharan African | 1,414 | 0.39%, see rank | 0.68% | 0.93% |
| Swedish | 4,111 | 1.13%, see rank | 0.85% | 1.34% |
| Swiss | 904 | 0.25%, see rank | 0.55% | 0.31% |
| Ukrainian | 3,281 | 0.90%, see rank | 0.91% | 0.31% |
| American | 16,452 | 4.51%, see rank | 4.84% | 6.72% |
| Welsh | 3,901 | 1.07%, see rank | 1.41% | 0.60% |
ACS 2006-2010 data
332,578 (90.91%) out of the total population of 365,841 reported first ancestry.
| Westmoreland County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 2,136 | 0.58%, see rank | 0.47% | 0.50% |
| Czech | 3,594 | 0.98%, see rank | 0.46% | 0.53% |
| Danish | 405 | 0.11%, see rank | 0.15% | 0.48% |
| Dutch | 7,323 | 2.00%, see rank | 2.13% | 1.63% |
| English | 39,365 | 10.76%, see rank | 8.35% | 9.02% |
| French | 6,577 | 1.80%, see rank | 2.11% | 3.77% |
| German | 124,624 | 34.07%, see rank | 29.39% | 16.51% |
| Greek | 1,989 | 0.54%, see rank | 0.53% | 0.44% |
| Hungarian | 7,839 | 2.14%, see rank | 1.15% | 0.51% |
| Irish | 66,002 | 18.04%, see rank | 17.85% | 11.76% |
| Italian | 73,381 | 20.06%, see rank | 12.51% | 5.78% |
| Norwegian | 815 | 0.22%, see rank | 0.34% | 1.51% |
| Polish | 39,939 | 10.92%, see rank | 6.98% | 3.24% |
| Portuguese | 111 | 0.03%, see rank | 0.15% | 0.47% |
| Russian | 5,734 | 1.57%, see rank | 1.60% | 1.01% |
| Scotch-Irish | 11,476 | 3.14%, see rank | 1.99% | 1.72% |
| Scottish | 8,599 | 2.35%, see rank | 1.67% | 1.92% |
| Subsaharan African | 1,539 | 0.42%, see rank | 0.65% | 0.91% |
| Swedish | 4,220 | 1.15%, see rank | 0.91% | 1.41% |
| Swiss | 863 | 0.24%, see rank | 0.57% | 0.33% |
| Ukrainian | 3,303 | 0.90%, see rank | 0.94% | 0.31% |
| American | 14,148 | 3.87%, see rank | 4.36% | 6.28% |
| Welsh | 4,853 | 1.33%, see rank | 1.49% | 0.63% |
ACS 2005-2009 data
332,195 (91.46%) out of the total population of 363,222 reported first ancestry.
| Westmoreland County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 2,093 | 0.58%, see rank | 0.47% | 0.50% |
| Czech | 3,794 | 1.04%, see rank | 0.47% | 0.54% |
| Danish | 360 | 0.10%, see rank | 0.16% | 0.49% |
| Dutch | 7,354 | 2.02%, see rank | 2.21% | 1.68% |
| English | 38,077 | 10.48%, see rank | 8.53% | 9.29% |
| French | 6,800 | 1.87%, see rank | 2.15% | 3.90% |
| German | 124,579 | 34.30%, see rank | 29.85% | 16.89% |
| Greek | 1,618 | 0.45%, see rank | 0.53% | 0.45% |
| Hungarian | 8,279 | 2.28%, see rank | 1.17% | 0.52% |
| Irish | 64,651 | 17.80%, see rank | 18.11% | 12.01% |
| Italian | 75,697 | 20.84%, see rank | 12.73% | 5.91% |
| Norwegian | 923 | 0.25%, see rank | 0.35% | 1.55% |
| Polish | 40,082 | 11.04%, see rank | 7.14% | 3.32% |
| Portuguese | 116 | 0.03%, see rank | 0.15% | 0.48% |
| Russian | 5,488 | 1.51%, see rank | 1.65% | 1.04% |
| Scotch-Irish | 11,341 | 3.12%, see rank | 2.06% | 1.77% |
| Scottish | 9,166 | 2.52%, see rank | 1.70% | 1.97% |
| Subsaharan African | 1,652 | 0.45%, see rank | 0.64% | 0.88% |
| Swedish | 4,381 | 1.21%, see rank | 0.93% | 1.45% |
| Swiss | 896 | 0.25%, see rank | 0.58% | 0.34% |
| Ukrainian | 3,968 | 1.09%, see rank | 0.98% | 0.32% |
| American | 13,552 | 3.73%, see rank | 4.49% | 6.43% |
| Welsh | 4,961 | 1.37%, see rank | 1.52% | 0.65% |
US Census 2000 data
298,123 (80.58%) out of the total population of 369,993 reported first ancestry.
| Westmoreland County | % of the Total Population | Pennsylvania | U.S. | |
| Arab | 1,727 | 0.47%, see rank | 0.32% | 0.36% |
| Czech | 1,648 | 0.45%, see rank | 0.17% | 0.27% |
| Danish | 120 | 0.03%, see rank | 0.08% | 0.30% |
| Dutch | 2,808 | 0.76%, see rank | 0.99% | 0.91% |
| English | 19,979 | 5.40%, see rank | 4.75% | 5.91% |
| French | 2,827 | 0.76%, see rank | 1.05% | 2.39% |
| German | 72,369 | 19.56%, see rank | 19.14% | 10.81% |
| Greek | 1,158 | 0.31%, see rank | 0.37% | 0.34% |
| Hungarian | 4,383 | 1.18%, see rank | 0.66% | 0.32% |
| Irish | 28,769 | 7.78%, see rank | 10.11% | 6.85% |
| Italian | 55,072 | 14.88%, see rank | 9.55% | 4.59% |
| Norwegian | 549 | 0.15%, see rank | 0.22% | 1.15% |
| Polish | 26,397 | 7.13%, see rank | 4.74% | 2.24% |
| Portuguese | 75 | 0.02%, see rank | 0.08% | 0.33% |
| Russian | 2,605 | 0.70%, see rank | 1.04% | 0.68% |
| Scotch-Irish | 6,864 | 1.86%, see rank | 1.29% | 1.17% |
| Scottish | 4,998 | 1.35%, see rank | 0.93% | 1.12% |
| Subsaharan African | 349 | 0.09%, see rank | 0.46% | 0.61% |
| Swedish | 2,535 | 0.69%, see rank | 0.51% | 0.87% |
| Swiss | 379 | 0.10%, see rank | 0.31% | 0.19% |
| Ukrainian | 3,158 | 0.85%, see rank | 0.72% | 0.24% |
| American | 14,895 | 4.03%, see rank | 5.16% | 7.33% |
| Welsh | 2,104 | 0.57%, 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.