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About Henry County

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

Description adapted from Wikipedia, CC BY-SA 4.0.

Henry County, Iowa
Henry county courthouse iowa — CC BY-SA 3.0, Billwhittaker at en.wikipedia · source

History of Henry County

Henry County was formed on December 7, 1836, under the jurisdiction of Wisconsin Territory, and became a part of Iowa Territory when it was formed on July 4, 1838. It was named for General Henry Dodge. The county's first courthouse was built in 1839–1840. A larger courthouse was built in 1871, and the present courthouse was raised in the 20th century, being placed into service on August 4, 1914.

Adapted from Wikipedia, CC BY-SA 4.0.

Henry County at a glance

County seat
Mount Pleasant
Population
20,482 (2020)
Land area
437 sq mi
Founded
1836

Largest communities in Henry County

  1. Mount Pleasant county seat 9,274
  2. New London Township 2,424
  3. New London 1,910
  4. Jefferson Township 1,438
  5. Scott Township 1,262

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Official channels

Henry County election resources

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Neighboring counties

Part of Iowa Voter Check

This is the Henry County page of Iowa Voter Check, a project of True the Vote, pointing Iowa voters at the official tools that already exist — and at Scan Check Protect to verify your registration.

Where anything here differs from what Henry County or the Iowa Secretary of State publishes, they are right and this page is not.