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Williamson County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 66,808
| Williamson County | % | Illinois | U.S. | |
| English | 25,666 | 95.92%, see rank | 78.40% | 79.39% |
| Spanish | 498 | 1.86%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 426 | 1.59%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 144 | 0.54%, see rank | 2.95% | 3.36% |
| Other | 24 | 0.09%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 66,335
| Williamson County | % | Illinois | U.S. | |
| English | 25,923 | 96.68%, see rank | 78.51% | 79.64% |
| Spanish | 363 | 1.35%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 338 | 1.26%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 154 | 0.57%, see rank | 2.84% | 3.24% |
| Other | 35 | 0.13%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 65,579
| Williamson County | % | Illinois | U.S. | |
| English | 25,452 | 96.69%, see rank | 78.83% | 79.95% |
| Spanish | 429 | 1.63%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 214 | 0.81%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 208 | 0.79%, see rank | 2.73% | 3.14% |
| Other | 21 | 0.08%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 64,212
| Williamson County | % | Illinois | U.S. | |
| English | 25,506 | 97.10%, see rank | 79.10% | 80.35% |
| Spanish | 350 | 1.33%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 224 | 0.85%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 166 | 0.63%, see rank | 2.58% | 2.95% |
| Other | 23 | 0.09%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 61,296
| Williamson County | % | Illinois | U.S. | |
| English | 24,293 | 95.40%, see rank | 80.34% | 81.14% |
| Spanish | 624 | 2.45%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 440 | 1.73%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 82 | 0.32%, see rank | 2.27% | 2.61% |
| Other | 25 | 0.10%, 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.