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Quincy, IL Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 40,782
| Quincy, IL | % | Illinois | U.S. | |
| English | 16,259 | 96.72%, see rank | 78.40% | 79.39% |
| Spanish | 216 | 1.28%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 171 | 1.02%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 126 | 0.75%, see rank | 2.95% | 3.36% |
| Other | 38 | 0.23%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 40,647
| Quincy, IL | % | Illinois | U.S. | |
| English | 16,011 | 96.27%, see rank | 78.51% | 79.64% |
| Spanish | 267 | 1.61%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 231 | 1.39%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 105 | 0.63%, see rank | 2.84% | 3.24% |
| Other | 18 | 0.11%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 40,496
| Quincy, IL | % | Illinois | U.S. | |
| English | 16,198 | 95.63%, see rank | 78.83% | 79.95% |
| Spanish | 354 | 2.09%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 279 | 1.65%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 92 | 0.54%, see rank | 2.73% | 3.14% |
| Other | 15 | 0.09%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 39,873
| Quincy, IL | % | Illinois | U.S. | |
| English | 16,286 | 95.62%, see rank | 79.10% | 80.35% |
| Spanish | 347 | 2.04%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 263 | 1.54%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 91 | 0.53%, see rank | 2.58% | 2.95% |
| Other | 45 | 0.26%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 40,366
| Quincy, IL | % | Illinois | U.S. | |
| English | 15,750 | 95.63%, see rank | 80.34% | 81.14% |
| Spanish | 392 | 2.38%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 237 | 1.44%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 83 | 0.50%, see rank | 2.27% | 2.61% |
| Other | 7 | 0.04%, 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.