Welcome to Marshall County, Iowa

County Calendar

Meetings + Events

Aug
18
Grimes Farm
Aug
26
Marshall County Courthouse Board Room
Aug
27
Leonard Grimes Memorial Amphitheater
Sep
1
Harry C. Harter VFW Post 839

News & Announcements

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About the Courthouse

Rebuilding Our Tower

After a 2018 tornado ravaged downtown Marshalltown, the courthouse bell tower was carefully reconstructed. View our photo gallery and see behind-the-scenes of our historic Courthouse.

Full Courthouse History

About Marshall County

Established in 1846, Marshall County is a collection of 13 communities and is home to over 40,000 residents. The county was named after John Marshall, Chief Justice of the United States Supreme Court. Marshall County is administered by a three-member Board of Supervisors who are elected for four-year terms. Other elected officials include the Attorney, Auditor/Recorder, Sheriff, and Treasurer.