Clayton County

Clayton County was formed in 1858 out of portions of Fayette and Henry counties. It was named after Judge Augustin S. Clayton, who served in the Georgia General Assembly.

Notable landmarks include Clayton State University, Spivey Hall, the National Archives at Atlanta and Reynolds Nature Preserve. Large employers include Delta TechOps, Southern Regional Medical Center and Fresh Express.

Clayton’s population, relatively flat in the years following the financial crisis, is growing as the county’s economy strengthens. At 143 square miles, Clayton is the third-smallest county in the state.

Within Clayton County are the cites of College Park*, Forest Park, Jonesboro, Lake City, Lovejoy, Morrow, and Riverdale.

Clayton County by the Numbers (2021)

Population: 297,100
Population Change (since 2010) +14.5%
Population Forecast (2050) 393,005
Median Household Income $49,370
Unemployment Rate 4.9%
Mean Travel Time to Work 32 minutes
Single Family Building Permits 623
Multifamily Building Permits 306

View ARC's 21-County Dashboard where you can find various data points about Clayton County.

Data Resources

Other Clayton County Resources

ARC Board Members Representing Clayton County

Data Sources

  • US Census Bureau, County Population Estimates, 2021
  • US Census Bureau, Small-Area Income and Poverty Estimates, 2020
  • US Census Bureau, American Community Survey (5-year estimates), 2016-2020
  • Atlanta Regional Commission (ARC), Series 16 Forecasts
  • HUD, State of the Cities Data System (SOCDS), 2021


* This city belongs to more than one county.