King County Historical Per Capita Income Data
ACS 2010-2014 data
| King County | 40,656 USD |
| Washington | 31,233 USD |
| U.S. | 28,555 USD |
ACS 2008-2012 data
| King County | 39,664 USD |
| Washington | 30,661 USD |
| U.S. | 28,051 USD |
ACS 2006-2010 data
| King County | 38,211 USD |
| Washington | 29,733 USD |
| U.S. | 27,334 USD |
ACS 2005-2009 data
| King County | 37,797 USD |
| Washington | 29,320 USD |
| U.S. | 27,041 USD |
US Census 2000 data
| King County | 29,521 USD |
| Washington | 22,973 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.
