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Whiteside County, Illinois

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Whiteside County, Illinois
Morrison Il Whiteside County Courthouse1 — CC BY 2.5, IvoShandor · source

About Whiteside County

Whiteside County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 55,691. Its county seat is Morrison. The county is bounded on the west by the Mississippi River. Whiteside County comprises the Sterling, IL Micropolitan Statistical Area, which is also included in the Dixon-Sterling, IL Combined Statistical Area. U.S. President Ronald Reagan was born in 1911 in the Whiteside County community of Tampico.

Description adapted from Wikipedia, CC BY-SA 4.0.

Whiteside County at a glance

County seat
Morrison
Population
55,691 (2020)
Land area
697 sq mi
Founded
1836

Largest communities in Whiteside County

  1. Sterling Township17,357
  2. Sterling14,764
  3. Coloma Township10,568
  4. Rock Falls8,789
  5. Mount Pleasant Township4,807

History of Whiteside County

This area was long occupied by varying cultures of Native Americans. Whiteside County was organized by European Americans in 1836 from parts of Jo Daviess and Henry counties. It was named for General Samuel Whiteside, an Illinois officer in the War of 1812 and Black Hawk War. Whiteside County's boundaries have remained unchanged since its creation in 1836.

Adapted from Wikipedia, CC BY-SA 4.0.

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  1. 01

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  2. 02

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Official channels

Whiteside County election resources

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Neighboring counties

Part of Illinois Voter Check

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

Where anything here differs from what Whiteside County or the Illinois State Board of Elections publishes, they are right and this page is not.