Henry County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | December 7, 1836 |
Named for | Henry Dodge |
Seat | Mount Pleasant |
Largest city | Mount Pleasant |
Area | |
• Total | 437 sq mi (1,130 km2) |
• Land | 434 sq mi (1,120 km2) |
• Water | 2.2 sq mi (6 km2) 0.5% |
Population (2020) | |
• Total | 20,482 |
• Density | 47/sq mi (18/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 2nd |
Website | henrycounty |
Henry County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 20,482.[1] The county seat is Mount Pleasant.[2] The county was named for General Henry Dodge, governor of Wisconsin Territory.