Jasonville is a city in Greene County, Indiana, United States. The population was 1,966 as of the 2020 census. It is the westernmost community in the Bloomington, Indiana, Metropolitan Statistical Area, approximately 15 miles closer to Terre Haute than to Bloomington.

Greene County is a county in the U.S. state of Indiana. As of 2020, the population was 30,803. The county seat is Bloomfield. The county was determined by the US Census Bureau to include the mean center of U.S. population in 1930.