Marshall County, Indiana

Marshall County, Indiana
Marshall County Courthouse in Plymouth, Indiana
Location within the U.S. state of Indiana
Coordinates: 41°20′N 86°16′W / 41.33°N 86.26°W / 41.33; -86.26
Country United States
State Indiana
FoundedFebruary 7, 1835 (authorized)
1836 (organized)
Named afterJohn Marshall
SeatPlymouth
Largest cityPlymouth
Area
 • Total
449.74 sq mi (1,164.8 km2)
 • Land443.63 sq mi (1,149.0 km2)
 • Water6.11 sq mi (15.8 km2)  1.36%
Population
 (2020)
 • Total
46,095
 • Estimate 
(2024)
46,464
 • Density104.7/sq mi (40.4/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitewww.co.marshall.in.us
Indiana county number 50

Marshall County is a county in the U.S. state of Indiana. The 2020 census recorded the population at 46,095. The county seat (and only city) is Plymouth.