🇺🇸 Marshall County, Iowa

United States · Americas · 42.03°N, 93.00°W

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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Quick facts

Country	United States
Continent / region	Americas
Coordinates (approx.)	42.03°N, 93.00°W · view on map

Marshall County, Iowa is located in United States, in Americas.

More counties in United States

Adair County, Iowa · Adams County, Iowa · Allamakee County, Iowa · Appanoose County, Iowa · Audubon County, Iowa · Benton County, Iowa · Black Hawk County, Iowa · Boone County, Iowa · Bremer County, Iowa · Buchanan County, Iowa.

Coordinates approximate. Introduction & image: Wikipedia (CC BY-SA 4.0), cached 30 days; the page renders even if the feed is momentarily unreachable.