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Ottawa, IL Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 18,992
| Ottawa, IL | % | Illinois | U.S. | |
| English | 7,300 | 95.20%, see rank | 78.40% | 79.39% |
| Spanish | 230 | 3.00%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 94 | 1.23%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 44 | 0.57%, see rank | 2.95% | 3.36% |
| Other | 0 | 0.00%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 19,258
| Ottawa, IL | % | Illinois | U.S. | |
| English | 7,328 | 93.46%, see rank | 78.51% | 79.64% |
| Spanish | 318 | 4.06%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 169 | 2.16%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 26 | 0.33%, see rank | 2.84% | 3.24% |
| Other | 0 | 0.00%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 19,263
| Ottawa, IL | % | Illinois | U.S. | |
| English | 7,519 | 92.48%, see rank | 78.83% | 79.95% |
| Spanish | 288 | 3.54%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 305 | 3.75%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 18 | 0.22%, see rank | 2.73% | 3.14% |
| Other | 0 | 0.00%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 19,278
| Ottawa, IL | % | Illinois | U.S. | |
| English | 7,723 | 92.98%, see rank | 79.10% | 80.35% |
| Spanish | 255 | 3.07%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 312 | 3.76%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 16 | 0.19%, see rank | 2.58% | 2.95% |
| Other | 0 | 0.00%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 18,307
| Ottawa, IL | % | Illinois | U.S. | |
| English | 6,996 | 93.13%, see rank | 80.34% | 81.14% |
| Spanish | 260 | 3.46%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 197 | 2.62%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 53 | 0.71%, see rank | 2.27% | 2.61% |
| Other | 6 | 0.08%, 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.