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Jefferson County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 546,162
| Jefferson County | % | Colorado | U.S. | |
| English | 192,933 | 87.37%, see rank | 82.34% | 79.39% |
| Spanish | 15,707 | 7.11%, see rank | 11.41% | 11.75% |
| Other Indo-European Languages | 7,340 | 3.32%, see rank | 3.32% | 4.52% |
| Asian and Pacific Islander Languages | 3,781 | 1.71%, see rank | 2.07% | 3.36% |
| Other | 1,053 | 0.48%, see rank | 0.86% | 0.99% |
ACS 2008-2012 data
Total population: 536,095
| Jefferson County | % | Colorado | U.S. | |
| English | 191,848 | 87.60%, see rank | 82.20% | 79.64% |
| Spanish | 15,535 | 7.09%, see rank | 11.51% | 11.57% |
| Other Indo-European Languages | 7,100 | 3.24%, see rank | 3.40% | 4.61% |
| Asian and Pacific Islander Languages | 3,673 | 1.68%, see rank | 2.04% | 3.24% |
| Other | 849 | 0.39%, see rank | 0.85% | 0.94% |
ACS 2006-2010 data
Total population: 528,614
| Jefferson County | % | Colorado | U.S. | |
| English | 189,151 | 87.16%, see rank | 82.06% | 79.95% |
| Spanish | 15,153 | 6.98%, see rank | 11.68% | 11.42% |
| Other Indo-European Languages | 7,659 | 3.53%, see rank | 3.39% | 4.60% |
| Asian and Pacific Islander Languages | 4,150 | 1.91%, see rank | 2.10% | 3.14% |
| Other | 905 | 0.42%, see rank | 0.77% | 0.89% |
ACS 2005-2009 data
Total population: 529,025
| Jefferson County | % | Colorado | U.S. | |
| English | 188,189 | 87.29%, see rank | 82.13% | 80.35% |
| Spanish | 15,147 | 7.03%, see rank | 11.74% | 11.21% |
| Other Indo-European Languages | 7,645 | 3.55%, see rank | 3.46% | 4.62% |
| Asian and Pacific Islander Languages | 3,786 | 1.76%, see rank | 1.93% | 2.95% |
| Other | 825 | 0.38%, see rank | 0.74% | 0.87% |
US Census 2000 data
Total population: 527,056
| Jefferson County | % | Colorado | U.S. | |
| English | 180,113 | 87.32%, see rank | 82.46% | 81.14% |
| Spanish | 13,798 | 6.69%, see rank | 11.31% | 10.21% |
| Other Indo-European Languages | 8,358 | 4.05%, see rank | 3.94% | 5.22% |
| Asian and Pacific Islander Languages | 3,086 | 1.50%, see rank | 1.71% | 2.61% |
| Other | 901 | 0.44%, 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.