Oklahoma is the 37th-richest state in the United States, with a per capita income of $32,210 in 2006 and the third fastest-growing per capita income in the United States.
[1] Oklahoma also has one of the lowest costs of living in the United States, making its relative per capita income levels much higher than its ranking among states.
[2] Note: Data is from the 2010 United States Census Data and the 2006-2010 American Community Survey 5-Year Estimates.
[3][4]