Shelby County, Alabama

Shelby County
Shelby County Courthouse in Columbiana
Location within the U.S. state of Alabama
Alabama's location within the U.S.
Coordinates: 33°15′55″N 86°40′04″W / 33.265277777778°N 86.667777777778°W / 33.265277777778; -86.667777777778
Country United States
State Alabama
FoundedFebruary 7, 1818
Named afterIsaac Shelby
SeatColumbiana
Largest cityAlabaster
Area
  Total
810 sq mi (2,100 km2)
  Land785 sq mi (2,030 km2)
  Water25 sq mi (60 km2)  3.0%
Population
 (2020)
  Total
223,024
  Estimate 
(2023)
233,000
  Density280/sq mi (110/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitewww.shelbycountyalabama.com
  • County Number 58 on Alabama License Plates
  • Largest County by population not shuffled to top 06 on Alabama License Plates

Shelby County is a county located in the central portion of the U.S. state of Alabama. As of the 2020 census the population was 223,024, making it the sixth-most populous county in Alabama. The county seat is Columbiana. Its largest city is Alabaster. The county is named in honor of Isaac Shelby, Governor of Kentucky from 1792 to 1796 and again from 1812 to 1816. Shelby County is included in the Birmingham, AL Metropolitan Statistical Area.