Winamac is a town in Monroe Township, Pulaski County, Indiana, United States. The population was 2,490 at the 2010 census. The city is the county seat of Pulaski County.
Winamac is located at 41°3′9″N 86°36′16″W / 41.0525°N 86.60444°W / 41.0525; -86.60444 (41.052528, -86.604405).
According to the United States Census Bureau, the town has a total area of 1.3 square miles (3.3 km²), all of it land.