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is a city in Columbia Township, Whitley County, Indiana, United States. The population was 7,077 at the 2000 census. The city is the county seat of Whitley County.
Columbia City is located at (41.158569, -85.487784). According to the United States Census Bureau, the city has a total area of 5.2 square miles (13.5 km²), all of it land.