Grundy County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 50,173
| Grundy County | % | Illinois | U.S. | |
| English | 16,672 | 90.57%, see rank | 78.40% | 79.39% |
| Spanish | 1,232 | 6.69%, see rank | 11.07% | 11.75% |
| Other Indo-European Languages | 338 | 1.84%, see rank | 6.60% | 4.52% |
| Asian and Pacific Islander Languages | 123 | 0.67%, see rank | 2.95% | 3.36% |
| Other | 43 | 0.23%, see rank | 0.98% | 0.99% |
ACS 2008-2012 data
Total population: 49,870
| Grundy County | % | Illinois | U.S. | |
| English | 16,349 | 90.89%, see rank | 78.51% | 79.64% |
| Spanish | 1,115 | 6.20%, see rank | 10.98% | 11.57% |
| Other Indo-European Languages | 329 | 1.83%, see rank | 6.73% | 4.61% |
| Asian and Pacific Islander Languages | 112 | 0.62%, see rank | 2.84% | 3.24% |
| Other | 82 | 0.46%, see rank | 0.93% | 0.94% |
ACS 2006-2010 data
Total population: 48,744
| Grundy County | % | Illinois | U.S. | |
| English | 16,304 | 90.77%, see rank | 78.83% | 79.95% |
| Spanish | 1,111 | 6.19%, see rank | 10.86% | 11.42% |
| Other Indo-European Languages | 344 | 1.92%, see rank | 6.72% | 4.60% |
| Asian and Pacific Islander Languages | 151 | 0.84%, see rank | 2.73% | 3.14% |
| Other | 51 | 0.28%, see rank | 0.85% | 0.89% |
ACS 2005-2009 data
Total population: 46,513
| Grundy County | % | Illinois | U.S. | |
| English | 15,266 | 91.53%, see rank | 79.10% | 80.35% |
| Spanish | 866 | 5.19%, see rank | 10.68% | 11.21% |
| Other Indo-European Languages | 365 | 2.19%, see rank | 6.82% | 4.62% |
| Asian and Pacific Islander Languages | 110 | 0.66%, see rank | 2.58% | 2.95% |
| Other | 72 | 0.43%, see rank | 0.82% | 0.87% |
US Census 2000 data
Total population: 37,535
| Grundy County | % | Illinois | U.S. | |
| English | 13,198 | 92.29%, see rank | 80.34% | 81.14% |
| Spanish | 655 | 4.58%, see rank | 9.59% | 10.21% |
| Other Indo-European Languages | 399 | 2.79%, see rank | 7.06% | 5.22% |
| Asian and Pacific Islander Languages | 35 | 0.24%, see rank | 2.27% | 2.61% |
| Other | 13 | 0.09%, 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.