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About Clarke County

Clarke County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 9,748. The county seat is Osceola. The county was formed in January 1846, one of twelve counties established by legislative action in a comprehensive act. It was named for James Clarke, a Governor of the Iowa Territory.

Description adapted from Wikipedia, CC BY-SA 4.0.

Clarke County, Iowa
Clarke County, Iowa Courthouse — CC BY-SA 3.0, en:User:Cburnett · source

History of Clarke County

The first courthouse for Clarke County was a wood frame two–story structure in Osceola. In 1883 it was replaced with a brick structure on former park area in the town square. By the 1950s this building was insufficient, and the present modern structure was completed in 1956. It was added to the National Register of Historic Places in 2018.

Adapted from Wikipedia, CC BY-SA 4.0.

Clarke County at a glance

County seat
Osceola
Population
9,748 (2020)
Land area
432 sq mi
Founded
1846

Largest communities in Clarke County

  1. Osceola county seat 5,415
  2. Troy Township 1,032
  3. Murray 684
  4. Fremont Township 480
  5. Osceola Township 386

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Official channels

Clarke County election resources

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Neighboring counties

Part of Iowa Voter Check

This is the Clarke 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 Clarke County or the Iowa Secretary of State publishes, they are right and this page is not.