Polk County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 445,136
| Polk County | % | Iowa | U.S. | |
| English | 152,889 | 87.49%, see rank | 92.20% | 79.39% |
| Spanish | 9,968 | 5.70%, see rank | 3.98% | 11.75% |
| Other Indo-European Languages | 4,940 | 2.83%, see rank | 1.97% | 4.52% |
| Asian and Pacific Islander Languages | 4,743 | 2.71%, see rank | 1.36% | 3.36% |
| Other | 2,219 | 1.27%, see rank | 0.50% | 0.99% |
ACS 2008-2012 data
Total population: 431,811
| Polk County | % | Iowa | U.S. | |
| English | 150,840 | 88.09%, see rank | 92.29% | 79.64% |
| Spanish | 9,694 | 5.66%, see rank | 4.07% | 11.57% |
| Other Indo-European Languages | 4,906 | 2.87%, see rank | 2.03% | 4.61% |
| Asian and Pacific Islander Languages | 4,073 | 2.38%, see rank | 1.21% | 3.24% |
| Other | 1,714 | 1.00%, see rank | 0.41% | 0.94% |
ACS 2006-2010 data
Total population: 419,301
| Polk County | % | Iowa | U.S. | |
| English | 148,858 | 88.42%, see rank | 92.46% | 79.95% |
| Spanish | 9,552 | 5.67%, see rank | 3.99% | 11.42% |
| Other Indo-European Languages | 4,645 | 2.76%, see rank | 2.04% | 4.60% |
| Asian and Pacific Islander Languages | 3,974 | 2.36%, see rank | 1.15% | 3.14% |
| Other | 1,323 | 0.79%, see rank | 0.36% | 0.89% |
ACS 2005-2009 data
Total population: 415,949
| Polk County | % | Iowa | U.S. | |
| English | 151,743 | 89.10%, see rank | 92.60% | 80.35% |
| Spanish | 9,589 | 5.63%, see rank | 4.00% | 11.21% |
| Other Indo-European Languages | 4,623 | 2.71%, see rank | 2.03% | 4.62% |
| Asian and Pacific Islander Languages | 3,494 | 2.05%, see rank | 1.08% | 2.95% |
| Other | 864 | 0.51%, see rank | 0.28% | 0.87% |
US Census 2000 data
Total population: 374,601
| Polk County | % | Iowa | U.S. | |
| English | 134,258 | 89.92%, see rank | 92.50% | 81.14% |
| Spanish | 7,029 | 4.71%, see rank | 3.68% | 10.21% |
| Other Indo-European Languages | 4,873 | 3.26%, see rank | 2.62% | 5.22% |
| Asian and Pacific Islander Languages | 2,551 | 1.71%, see rank | 0.94% | 2.61% |
| Other | 605 | 0.41%, 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.