Dekalb County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 104,919
| Dekalb County | % | Illinois | U.S. | |
| English | 32,401 | 86.69%, see rank | 78.40% | 79.39% |
| Spanish | 2,738 | 7.33%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 1,305 | 3.49%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 687 | 1.84%, see rank | 2.95% | 3.36% |
| Other | 243 | 0.65%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 104,820
| Dekalb County | % | Illinois | U.S. | |
| English | 32,836 | 86.50%, see rank | 78.51% | 79.64% |
| Spanish | 2,883 | 7.60%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 1,335 | 3.52%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 705 | 1.86%, see rank | 2.84% | 3.24% |
| Other | 200 | 0.53%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 104,026
| Dekalb County | % | Illinois | U.S. | |
| English | 32,969 | 87.16%, see rank | 78.83% | 79.95% |
| Spanish | 2,782 | 7.35%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 1,416 | 3.74%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 543 | 1.44%, see rank | 2.73% | 3.14% |
| Other | 115 | 0.30%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 104,279
| Dekalb County | % | Illinois | U.S. | |
| English | 31,364 | 86.69%, see rank | 79.10% | 80.35% |
| Spanish | 2,746 | 7.59%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 1,292 | 3.57%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 652 | 1.80%, see rank | 2.58% | 2.95% |
| Other | 127 | 0.35%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 88,969
| Dekalb County | % | Illinois | U.S. | |
| English | 27,862 | 87.98%, see rank | 80.34% | 81.14% |
| Spanish | 2,015 | 6.36%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 1,227 | 3.87%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 373 | 1.18%, see rank | 2.27% | 2.61% |
| Other | 192 | 0.61%, 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.