Crawfordsville is a city in Montgomery County, Indiana, United States. As of the 2010 census, the city had a population of 15,915. The city is the county seat of Montgomery County.
Crawfordsville and the unincorporated county areas attached to it are collectively referred to as Union Township.
Crawfordsville is located at 40°2′20″N 86°53′48″W / 40.03889°N 86.89667°W / 40.03889; -86.89667 (40.038831, -86.896755).