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About Jackson County

Jackson County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 19,485. The county seat is Maquoketa.

Description adapted from Wikipedia, CC BY-SA 4.0.

Jackson County, Iowa
Jackson County Courthouse - Maquoketa, Iowa — CC BY-SA 4.0, Farragutful · source

History of Jackson County

The county was formed on December 21, 1837, and named after US President Andrew Jackson. In the early morning of July 22, 2022, an assailant killed three members of a family at the campground of Maquoketa Caves State Park, located in the county. The assailant, identified as 23-year-old Anthony Sherwin of Nebraska, later committed suicide.

Adapted from Wikipedia, CC BY-SA 4.0.

Jackson County at a glance

County seat
Maquoketa
Population
19,485 (2020)
Land area
650 sq mi
Founded
1837

Largest communities in Jackson County

  1. Maquoketa county seat 6,128
  2. South Fork Township 4,655
  3. Bellevue Township 2,974
  4. Maquoketa Township 2,958
  5. Bellevue 2,363

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Official channels

Jackson County election resources

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Neighboring counties

Part of Iowa Voter Check

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