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About Jasper County

Jasper County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 37,813. The county seat is Newton. The county was organized in 1846 and is named after Sergeant William Jasper, a Revolutionary War hero.

Description adapted from Wikipedia, CC BY-SA 4.0.

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

History of Jasper County

Jasper County is part of the Des Moines metropolitan area.

Adapted from Wikipedia, CC BY-SA 4.0.

Jasper County at a glance

County seat
Newton
Population
37,813 (2020)
Land area
733 sq mi
Founded
1846

Largest communities in Jasper County

  1. Newton Township 15,929
  2. Newton county seat 15,760
  3. Palo Alto Township 3,889
  4. Washington Township 2,789
  5. Fairview Township 2,563

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Official channels

Jasper County election resources

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Neighboring counties

Part of Iowa Voter Check

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