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Jefferson County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 29,978
| Jefferson County | % | Washington | U.S. | |
| English | 12,726 | 94.02%, see rank | 80.98% | 79.39% |
| Spanish | 339 | 2.50%, see rank | 7.43% | 11.75% |
| Other Indo-European Languages | 277 | 2.05%, see rank | 4.54% | 4.52% |
| Asian and Pacific Islander Languages | 156 | 1.15%, see rank | 5.96% | 3.36% |
| Other | 37 | 0.27%, see rank | 1.09% | 0.99% |
ACS 2008-2012 data
Total population: 29,802
| Jefferson County | % | Washington | U.S. | |
| English | 13,299 | 93.78%, see rank | 81.43% | 79.64% |
| Spanish | 416 | 2.93%, see rank | 7.33% | 11.57% |
| Other Indo-European Languages | 367 | 2.59%, see rank | 4.47% | 4.61% |
| Asian and Pacific Islander Languages | 61 | 0.43%, see rank | 5.77% | 3.24% |
| Other | 38 | 0.27%, see rank | 1.00% | 0.94% |
ACS 2006-2010 data
Total population: 29,574
| Jefferson County | % | Washington | U.S. | |
| English | 13,046 | 91.91%, see rank | 81.97% | 79.95% |
| Spanish | 495 | 3.49%, see rank | 7.22% | 11.42% |
| Other Indo-European Languages | 524 | 3.69%, see rank | 4.37% | 4.60% |
| Asian and Pacific Islander Languages | 106 | 0.75%, see rank | 5.54% | 3.14% |
| Other | 23 | 0.16%, see rank | 0.90% | 0.89% |
ACS 2005-2009 data
Total population: 29,223
| Jefferson County | % | Washington | U.S. | |
| English | 11,903 | 90.07%, see rank | 82.63% | 80.35% |
| Spanish | 569 | 4.31%, see rank | 6.85% | 11.21% |
| Other Indo-European Languages | 567 | 4.29%, see rank | 4.38% | 4.62% |
| Asian and Pacific Islander Languages | 144 | 1.09%, see rank | 5.26% | 2.95% |
| Other | 32 | 0.24%, see rank | 0.87% | 0.87% |
US Census 2000 data
Total population: 25,953
| Jefferson County | % | Washington | U.S. | |
| English | 10,855 | 93.18%, see rank | 84.20% | 81.14% |
| Spanish | 204 | 1.75%, see rank | 6.05% | 10.21% |
| Other Indo-European Languages | 411 | 3.53%, see rank | 4.47% | 5.22% |
| Asian and Pacific Islander Languages | 120 | 1.03%, see rank | 4.60% | 2.61% |
| Other | 59 | 0.51%, see rank | 0.68% | 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.