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O'Fallon Township High School District 203 Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 40,469
| O'Fallon Township High School District 203 | % | Illinois | U.S. | |
| English | 13,412 | 91.01%, see rank | 78.40% | 79.39% |
| Spanish | 536 | 3.64%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 334 | 2.27%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 401 | 2.72%, see rank | 2.95% | 3.36% |
| Other | 54 | 0.37%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 39,357
| O'Fallon Township High School District 203 | % | Illinois | U.S. | |
| English | 12,955 | 89.49%, see rank | 78.51% | 79.64% |
| Spanish | 580 | 4.01%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 486 | 3.36%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 415 | 2.87%, see rank | 2.84% | 3.24% |
| Other | 40 | 0.28%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 37,866
| O'Fallon Township High School District 203 | % | Illinois | U.S. | |
| English | 12,636 | 89.16%, see rank | 78.83% | 79.95% |
| Spanish | 533 | 3.76%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 571 | 4.03%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 412 | 2.91%, see rank | 2.73% | 3.14% |
| Other | 21 | 0.15%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 36,794
| O'Fallon Township High School District 203 | % | Illinois | U.S. | |
| English | 12,487 | 89.59%, see rank | 79.10% | 80.35% |
| Spanish | 436 | 3.13%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 550 | 3.95%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 454 | 3.26%, see rank | 2.58% | 2.95% |
| Other | 11 | 0.08%, see rank | 0.82% | 0.87% |
* 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.