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Jefferson County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 44,935
| Jefferson County | % | Pennsylvania | U.S. | |
| English | 17,854 | 96.08%, see rank | 88.50% | 79.39% |
| Spanish | 237 | 1.28%, see rank | 4.69% | 11.75% |
| Other Indo-European Languages | 443 | 2.38%, see rank | 4.40% | 4.52% |
| Asian and Pacific Islander Languages | 26 | 0.14%, see rank | 1.81% | 3.36% |
| Other | 23 | 0.12%, see rank | 0.60% | 0.99% |
ACS 2008-2012 data
Total population: 45,051
| Jefferson County | % | Pennsylvania | U.S. | |
| English | 17,581 | 96.00%, see rank | 88.62% | 79.64% |
| Spanish | 224 | 1.22%, see rank | 4.58% | 11.57% |
| Other Indo-European Languages | 456 | 2.49%, see rank | 4.54% | 4.61% |
| Asian and Pacific Islander Languages | 30 | 0.16%, see rank | 1.69% | 3.24% |
| Other | 22 | 0.12%, see rank | 0.57% | 0.94% |
ACS 2006-2010 data
Total population: 45,244
| Jefferson County | % | Pennsylvania | U.S. | |
| English | 17,559 | 96.29%, see rank | 88.76% | 79.95% |
| Spanish | 279 | 1.53%, see rank | 4.46% | 11.42% |
| Other Indo-European Languages | 368 | 2.02%, see rank | 4.58% | 4.60% |
| Asian and Pacific Islander Languages | 17 | 0.09%, see rank | 1.65% | 3.14% |
| Other | 13 | 0.07%, see rank | 0.56% | 0.89% |
ACS 2005-2009 data
Total population: 44,965
| Jefferson County | % | Pennsylvania | U.S. | |
| English | 17,813 | 95.79%, see rank | 89.18% | 80.35% |
| Spanish | 297 | 1.60%, see rank | 4.16% | 11.21% |
| Other Indo-European Languages | 457 | 2.46%, see rank | 4.62% | 4.62% |
| Asian and Pacific Islander Languages | 13 | 0.07%, see rank | 1.50% | 2.95% |
| Other | 16 | 0.09%, see rank | 0.54% | 0.87% |
US Census 2000 data
Total population: 45,932
| Jefferson County | % | Pennsylvania | U.S. | |
| English | 17,521 | 95.24%, see rank | 89.23% | 81.14% |
| Spanish | 268 | 1.46%, see rank | 3.71% | 10.21% |
| Other Indo-European Languages | 546 | 2.97%, see rank | 5.35% | 5.22% |
| Asian and Pacific Islander Languages | 45 | 0.24%, see rank | 1.23% | 2.61% |
| Other | 16 | 0.09%, see rank | 0.48% | 0.82% |
* 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.