County in Indiana
Gibson County is a county in the southwestern part of the U.S. state of Indiana. As of 2010, the population was 33,503. The county seat is Princeton. Gibson County is included in the Evansville, Indiana–Kentucky Metropolitan Statistical Area.
Gibson County is the northern third of the Evansville, Indiana–Kentucky Metropolitan Statistical Area. Nearly 90% of the county exists within the Ohio River Valley American Viticultural Area along with all of neighboring Posey, Vanderburgh and Warrick counties and a portion of Pike County.