Cabarrus County is a county located in the south-central part of the U.S. state of North Carolina. As of the 2020 census, the population was 225,804, making it the 9th-most populous county in North Carolina. The county seat is Concord, which was incorporated in 1803. Cabarrus County is included in the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area.