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() is a census-designated place (CDP) in Hamilton County, Tennessee, United States. The population was 5,681 at the 2000 census. It is part of the Chattanooga, TN–GA Metropolitan Statistical Area.
Ooltewah was once the county seat of James County, a former Tennessee county which went bankrupt in 1919 and was subsequently incorporated into Hamilton County. The former James County Courthouse located in the square in downtown Ooltewah is the community's major landmark.
According to the United States Census Bureau, the CDP has a total area of 7.7 square miles (19.8 km²), all of it land.