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Decatur, IL Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 75,088
| Decatur, IL | % | Illinois | U.S. | |
| English | 30,028 | 95.38%, see rank | 78.40% | 79.39% |
| Spanish | 643 | 2.04%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 443 | 1.41%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 248 | 0.79%, see rank | 2.95% | 3.36% |
| Other | 119 | 0.38%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 76,091
| Decatur, IL | % | Illinois | U.S. | |
| English | 30,271 | 96.02%, see rank | 78.51% | 79.64% |
| Spanish | 623 | 1.98%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 386 | 1.22%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 178 | 0.56%, see rank | 2.84% | 3.24% |
| Other | 68 | 0.22%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 76,429
| Decatur, IL | % | Illinois | U.S. | |
| English | 30,370 | 95.62%, see rank | 78.83% | 79.95% |
| Spanish | 715 | 2.25%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 401 | 1.26%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 216 | 0.68%, see rank | 2.73% | 3.14% |
| Other | 60 | 0.19%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 75,867
| Decatur, IL | % | Illinois | U.S. | |
| English | 31,790 | 95.61%, see rank | 79.10% | 80.35% |
| Spanish | 717 | 2.16%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 391 | 1.18%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 274 | 0.82%, see rank | 2.58% | 2.95% |
| Other | 76 | 0.23%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 81,860
| Decatur, IL | % | Illinois | U.S. | |
| English | 32,237 | 94.58%, see rank | 80.34% | 81.14% |
| Spanish | 992 | 2.91%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 649 | 1.90%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 173 | 0.51%, see rank | 2.27% | 2.61% |
| Other | 33 | 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.