USA.com / Colorado / Boulder County / Population and Races / Historical Language Spoken at Home Data
Boulder County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 305,166
| Boulder County | % | Colorado | U.S. | |
| English | 100,206 | 82.46%, see rank | 82.34% | 79.39% |
| Spanish | 11,586 | 9.53%, see rank | 11.41% | 11.75% |
| Other Indo-European Languages | 5,879 | 4.84%, see rank | 3.32% | 4.52% |
| Asian and Pacific Islander Languages | 3,238 | 2.66%, see rank | 2.07% | 3.36% |
| Other | 617 | 0.51%, see rank | 0.86% | 0.99% |
ACS 2008-2012 data
Total population: 297,218
| Boulder County | % | Colorado | U.S. | |
| English | 98,993 | 82.45%, see rank | 82.20% | 79.64% |
| Spanish | 11,239 | 9.36%, see rank | 11.51% | 11.57% |
| Other Indo-European Languages | 5,928 | 4.94%, see rank | 3.40% | 4.61% |
| Asian and Pacific Islander Languages | 3,263 | 2.72%, see rank | 2.04% | 3.24% |
| Other | 638 | 0.53%, see rank | 0.85% | 0.94% |
ACS 2006-2010 data
Total population: 290,177
| Boulder County | % | Colorado | U.S. | |
| English | 97,373 | 82.78%, see rank | 82.06% | 79.95% |
| Spanish | 10,899 | 9.27%, see rank | 11.68% | 11.42% |
| Other Indo-European Languages | 5,663 | 4.81%, see rank | 3.39% | 4.60% |
| Asian and Pacific Islander Languages | 3,160 | 2.69%, see rank | 2.10% | 3.14% |
| Other | 534 | 0.45%, see rank | 0.77% | 0.89% |
ACS 2005-2009 data
Total population: 295,524
| Boulder County | % | Colorado | U.S. | |
| English | 95,780 | 83.16%, see rank | 82.13% | 80.35% |
| Spanish | 10,520 | 9.13%, see rank | 11.74% | 11.21% |
| Other Indo-European Languages | 5,445 | 4.73%, see rank | 3.46% | 4.62% |
| Asian and Pacific Islander Languages | 2,891 | 2.51%, see rank | 1.93% | 2.95% |
| Other | 544 | 0.47%, see rank | 0.74% | 0.87% |
US Census 2000 data
Total population: 291,288
| Boulder County | % | Colorado | U.S. | |
| English | 96,477 | 84.04%, see rank | 82.46% | 81.14% |
| Spanish | 9,415 | 8.20%, see rank | 11.31% | 10.21% |
| Other Indo-European Languages | 5,627 | 4.90%, see rank | 3.94% | 5.22% |
| Asian and Pacific Islander Languages | 2,589 | 2.26%, see rank | 1.71% | 2.61% |
| Other | 685 | 0.60%, see rank | 0.58% | 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.