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Rock Island County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 146,964
| Rock Island County | % | Illinois | U.S. | |
| English | 53,496 | 88.62%, see rank | 78.40% | 79.39% |
| Spanish | 3,983 | 6.60%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 1,692 | 2.80%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 838 | 1.39%, see rank | 2.95% | 3.36% |
| Other | 358 | 0.59%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 147,504
| Rock Island County | % | Illinois | U.S. | |
| English | 54,133 | 89.23%, see rank | 78.51% | 79.64% |
| Spanish | 3,836 | 6.32%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 1,654 | 2.73%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 694 | 1.14%, see rank | 2.84% | 3.24% |
| Other | 353 | 0.58%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 147,524
| Rock Island County | % | Illinois | U.S. | |
| English | 54,205 | 89.66%, see rank | 78.83% | 79.95% |
| Spanish | 3,941 | 6.52%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 1,371 | 2.27%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 719 | 1.19%, see rank | 2.73% | 3.14% |
| Other | 218 | 0.36%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 146,670
| Rock Island County | % | Illinois | U.S. | |
| English | 53,979 | 89.52%, see rank | 79.10% | 80.35% |
| Spanish | 3,921 | 6.50%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 1,391 | 2.31%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 832 | 1.38%, see rank | 2.58% | 2.95% |
| Other | 177 | 0.29%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 149,374
| Rock Island County | % | Illinois | U.S. | |
| English | 54,771 | 90.25%, see rank | 80.34% | 81.14% |
| Spanish | 3,747 | 6.17%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 1,588 | 2.62%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 466 | 0.77%, see rank | 2.27% | 2.61% |
| Other | 114 | 0.19%, 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.