Henry County, Iowa

Henry County
Henry County Courthouse
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 40°59′12″N 91°32′31″W / 40.986666666667°N 91.541944444444°W / 40.986666666667; -91.541944444444
Country United States
State Iowa
FoundedDecember 7, 1836
Named afterHenry Dodge
SeatMount Pleasant
Largest cityMount Pleasant
Area
  Total
437 sq mi (1,130 km2)
  Land434 sq mi (1,120 km2)
  Water2.2 sq mi (6 km2)  0.5%
Population
 (2020)
  Total
20,482
  Estimate 
(2023)
19,547
  Density47/sq mi (18/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitehenrycounty.iowa.gov

Henry County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 20,482. The county seat is Mount Pleasant. The county was named for General Henry Dodge, governor of Wisconsin Territory.