Flat Rock, IL Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 338
| Flat Rock, IL | % | Illinois | U.S. | |
| English | 136 | 97.84%, see rank | 78.40% | 79.39% |
| Spanish | 2 | 1.44%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 0 | 0.00%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 1 | 0.72%, see rank | 2.95% | 3.36% |
| Other | 0 | 0.00%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 425
| Flat Rock, IL | % | Illinois | U.S. | |
| English | 188 | 100.00%, see rank | 78.51% | 79.64% |
| Spanish | 0 | 0.00%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 0 | 0.00%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 2.84% | 3.24% |
| Other | 0 | 0.00%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 406
| Flat Rock, IL | % | Illinois | U.S. | |
| English | 165 | 98.80%, see rank | 78.83% | 79.95% |
| Spanish | 0 | 0.00%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 2 | 1.20%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 2.73% | 3.14% |
| Other | 0 | 0.00%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 432
| Flat Rock, IL | % | Illinois | U.S. | |
| English | 184 | 98.92%, see rank | 79.10% | 80.35% |
| Spanish | 0 | 0.00%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 2 | 1.08%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 2.58% | 2.95% |
| Other | 0 | 0.00%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 415
| Flat Rock, IL | % | Illinois | U.S. | |
| English | 175 | 96.15%, see rank | 80.34% | 81.14% |
| Spanish | 0 | 0.00%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 4 | 2.20%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 3 | 1.65%, see rank | 2.27% | 2.61% |
| Other | 0 | 0.00%, 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.