County
· Iowa
Marshall County
Marshall County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 40,105, and was estimated to be 39,890 in 2025. The county seat and largest city is Marshalltown. The county was formed on January 13, 1846, and named after John Marshall, Chief Justice of the United States Supreme Court. Marshall County comprises the Marshalltown, Iowa Micropolitan Statistical Area. In 2010, the center of population of Iowa was located in Marshall County, near Melbourne.
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Cities and towns 13
- City of Albion pop. 446
- City of Clemons pop. 134
- City of Ferguson pop. 95
- City of Gilman pop. 535
- City of Haverhill pop. 163
- City of Laurel pop. 215
- City of Legrand pop. 898
- City of Liscomb pop. 291
- City of Marshalltown pop. 27,388
- City of Melbourne pop. 777
- City of Rhodes pop. 269
- City of St Anthony pop. 77
- City of State Center pop. 1,391
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 126550
- FIPS state
- 19
- FIPS county
- 127
- FIPS place
- 99127
- Census record name
- COUNTY OF MARSHALL
- Mailing address
- 1 E MAIN ST, MARSHALLTOWN 50158