Polk County Historical Per Capita Income Data
ACS 2010-2014 data
| Polk County | 20,825 USD |
| Tennessee | 24,811 USD |
| U.S. | 28,555 USD |
ACS 2008-2012 data
| Polk County | 18,911 USD |
| Tennessee | 24,294 USD |
| U.S. | 28,051 USD |
ACS 2006-2010 data
| Polk County | 17,481 USD |
| Tennessee | 23,722 USD |
| U.S. | 27,334 USD |
ACS 2005-2009 data
| Polk County | 18,363 USD |
| Tennessee | 23,557 USD |
| U.S. | 27,041 USD |
US Census 2000 data
| Polk County | 16,025 USD |
| Tennessee | 19,393 USD |
| U.S. | 21,587 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.
