Sullivan County, Indiana

A great place to call home

Welcome to Sullivan County, IN

Sullivan County is a county located in the U.S. state of Indiana, and determined by the U.S. Census Bureau to include the mean center of U.S. population in 1940. As of 2010, the population was 21,475. The county seat is Sullivan. Sullivan County is included in the Terre Haute, Indiana, Metropolitan Statistical Area.

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