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Columbus City is a city in western Louisa County, Iowa, United States. The population was 392 at the 2020 census. It is part of the Muscatine Micropolitan Statistical Area.
History
Columbus City was platted in the 1840s.
thumb|right|Columbus City city park
Geography
Columbus City is located two miles southwest of Columbus Junction and the Iowa River.
According to the United States Census Bureau, the city has a total area of , all land.