Polk County Historical Median Individual Worker Income Data
ACS 2010-2014 data
| Polk County | 29,906 USD |
| Nebraska | 29,063 USD |
| U.S. | 30,815 USD |
ACS 2008-2012 data
| Polk County | 29,210 USD |
| Nebraska | 27,948 USD |
| U.S. | 30,376 USD |
ACS 2006-2010 data
| Polk County | 25,347 USD |
| Nebraska | 26,786 USD |
| U.S. | 29,701 USD |
ACS 2005-2009 data
| Polk County | 24,425 USD |
| Nebraska | 26,207 USD |
| U.S. | 29,050 USD |
US Census 2000 data
| Polk County | 26,225 USD |
| Nebraska | 28,292 USD |
| U.S. | 32,098 USD |
* 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.
