Cedartown is a city and the county seat of Polk County, Georgia, United States. As of the 2020 census, the city had a population of 10,190. C…Cedartown is a city and the county seat of Polk County, Georgia, United States. As of the 2020 census, the city had a population of 10,190. Cedartown is the principal city of the Cedartown micropolitan area, which is included in the Atlanta–Athens-Clarke–Sandy Springs combined statistical area.