Montgomery County, Indiana

Montgomery County, Indiana
County Courthouse in Crawfordsville
Location within the U.S. state of Indiana
Coordinates: 40°02′N 86°53′W / 40.04°N 86.89°W / 40.04; -86.89
Country United States
State Indiana
FoundedDecember 21, 1822 (authorized)
March 1, 1823 (organized)
Named afterRichard Montgomery
SeatCrawfordsville
Largest cityCrawfordsville
Area
 • Total
505.44 sq mi (1,309.1 km2)
 • Land504.61 sq mi (1,306.9 km2)
 • Water0.83 sq mi (2.1 km2)  0.16%
Population
 (2020)
 • Total
37,936
 • Estimate 
(2024)
38,633
 • Density75.179/sq mi (29.027/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district4th
Websitewww.montgomerycounty.in.gov
Indiana county number 54

Montgomery County is a county in the U.S. state of Indiana. As of the 2020 United States census, it had a population of 37,936. Its county seat is Crawfordsville. The county is divided into eleven townships which provide local services. Montgomery County comprises the Crawfordsville, IN Micropolitan Statistical Area.