Jefferson, IA Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 4,296
| Jefferson, IA | % | Iowa | U.S. | |
| English | 1,795 | 95.33%, see rank | 92.20% | 79.39% |
| Spanish | 47 | 2.50%, see rank | 3.98% | 11.75% |
| Other Indo-European Languages | 17 | 0.90%, see rank | 1.97% | 4.52% |
| Asian and Pacific Islander Languages | 24 | 1.27%, see rank | 1.36% | 3.36% |
| Other | 0 | 0.00%, see rank | 0.50% | 0.99% |
ACS 2008-2012 data
Total population: 4,329
| Jefferson, IA | % | Iowa | U.S. | |
| English | 1,939 | 95.47%, see rank | 92.29% | 79.64% |
| Spanish | 63 | 3.10%, see rank | 4.07% | 11.57% |
| Other Indo-European Languages | 29 | 1.43%, see rank | 2.03% | 4.61% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 1.21% | 3.24% |
| Other | 0 | 0.00%, see rank | 0.41% | 0.94% |
ACS 2006-2010 data
Total population: 4,360
| Jefferson, IA | % | Iowa | U.S. | |
| English | 1,883 | 94.81%, see rank | 92.46% | 79.95% |
| Spanish | 71 | 3.58%, see rank | 3.99% | 11.42% |
| Other Indo-European Languages | 32 | 1.61%, see rank | 2.04% | 4.60% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 1.15% | 3.14% |
| Other | 0 | 0.00%, see rank | 0.36% | 0.89% |
ACS 2005-2009 data
Total population: 4,218
| Jefferson, IA | % | Iowa | U.S. | |
| English | 1,863 | 93.90%, see rank | 92.60% | 80.35% |
| Spanish | 88 | 4.44%, see rank | 4.00% | 11.21% |
| Other Indo-European Languages | 33 | 1.66%, see rank | 2.03% | 4.62% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 1.08% | 2.95% |
| Other | 0 | 0.00%, see rank | 0.28% | 0.87% |
US Census 2000 data
Total population: 4,626
| Jefferson, IA | % | Iowa | U.S. | |
| English | 1,791 | 93.67%, see rank | 92.50% | 81.14% |
| Spanish | 80 | 4.18%, see rank | 3.68% | 10.21% |
| Other Indo-European Languages | 41 | 2.14%, see rank | 2.62% | 5.22% |
| Asian and Pacific Islander Languages | 0 | 0.00%, see rank | 0.94% | 2.61% |
| Other | 0 | 0.00%, see rank | 0.25% | 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.