Marshall County, Iowa | |
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The courthouse in Marshalltown is on the NRHP
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Location in the U.S. state of Iowa |
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Iowa's location in the U.S. |
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Founded | 1846 |
Named for | John Marshall |
Seat | Marshalltown |
Largest city | Marshalltown |
Area | |
• Total | 573 sq mi (1,484 km2) |
• Land | 572 sq mi (1,481 km2) |
• Water | 0.7 sq mi (2 km2), 0.1% |
Population | |
• (2010) | 40,648 |
• Density | 71/sq mi (27/km²) |
Congressional district | 1st |
Time zone | Central: UTC-6/-5 |
Website | www |
Marshall County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 40,648. The county seat 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, IA Micropolitan Statistical Area.
In 2010, the center of population of Iowa was located in Marshall County, near Melbourne.
According to the U.S. Census Bureau, the county has a total area of 573 square miles (1,480 km2), of which 573 square miles (1,480 km2) is land and 0.7 square miles (1.8 km2) (0.1%) is water.
The 2010 census recorded a population of 40,648 in the county, with a population density of 71.0232/sq mi (27.4222/km2). There were 16,831 housing units, of which 15,538 were occupied.
As of the census of 2000, there were 39,311 people, 15,338 households, and 10,460 families residing in the county. The population density was 69 people per square mile (27/km²). There were 16,324 housing units at an average density of 28 per square mile (11/km²). The racial makeup of the county was 90.44% White, 0.93% Black or African American, 0.35% Native American, 0.78% Asian, 0.06% Pacific Islander, 6.03% from other races, and 1.42% from two or more races. 8.96% of the population were Hispanic or Latino of any race.