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Jefferson County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 38,716
| Jefferson County | % | Illinois | U.S. | |
| English | 14,739 | 96.40%, see rank | 78.40% | 79.39% |
| Spanish | 277 | 1.81%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 204 | 1.33%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 46 | 0.30%, see rank | 2.95% | 3.36% |
| Other | 23 | 0.15%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 38,908
| Jefferson County | % | Illinois | U.S. | |
| English | 14,629 | 96.38%, see rank | 78.51% | 79.64% |
| Spanish | 273 | 1.80%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 195 | 1.28%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 61 | 0.40%, see rank | 2.84% | 3.24% |
| Other | 20 | 0.13%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 39,202
| Jefferson County | % | Illinois | U.S. | |
| English | 14,833 | 96.54%, see rank | 78.83% | 79.95% |
| Spanish | 275 | 1.79%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 201 | 1.31%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 49 | 0.32%, see rank | 2.73% | 3.14% |
| Other | 6 | 0.04%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 40,063
| Jefferson County | % | Illinois | U.S. | |
| English | 15,195 | 96.23%, see rank | 79.10% | 80.35% |
| Spanish | 260 | 1.65%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 200 | 1.27%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 116 | 0.73%, see rank | 2.58% | 2.95% |
| Other | 19 | 0.12%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 40,045
| Jefferson County | % | Illinois | U.S. | |
| English | 14,658 | 95.49%, see rank | 80.34% | 81.14% |
| Spanish | 363 | 2.36%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 276 | 1.80%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 35 | 0.23%, see rank | 2.27% | 2.61% |
| Other | 19 | 0.12%, see rank | 0.74% | 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.