Polk County is a county in the Northwest region of the U.S. state of Georgia. As of the 2020 census, the population was 42,853. The county seat is Cedartown. The county was created on December 20, 1851, by an act of the Georgia General Assembly and named after James K. Polk, the eleventh President of the United States. Polk County comprises the Cedartown, GA Metropolitan Statistical Area.