State % with Bachelor's Personal Income Arkansas 18.8 "31,946" California 29.6 "42,325" Iowa 24.3 "36,751" Louisiana 20.3 "35,507" Maine 25.4 "36,745" Nebraska 27.1 "38,081" Ohio 24.1 "35,381" Oregon 28.1 "35,667" Texas 25.3 "36,484"