Major County Historical Per Capita Income Data
ACS 2010-2014 data
| Major County | 27,225 USD |
| Oklahoma | 24,695 USD |
| U.S. | 28,555 USD |
ACS 2008-2012 data
| Major County | 27,184 USD |
| Oklahoma | 24,046 USD |
| U.S. | 28,051 USD |
ACS 2006-2010 data
| Major County | 24,897 USD |
| Oklahoma | 23,094 USD |
| U.S. | 27,334 USD |
ACS 2005-2009 data
| Major County | 23,560 USD |
| Oklahoma | 22,561 USD |
| U.S. | 27,041 USD |
US Census 2000 data
| Major County | 17,272 USD |
| Oklahoma | 17,646 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.
