McLennan County, Texas

McLennan County
The McLennan County Courthouse in Waco
Location within the U.S. state of Texas
Texas's location within the U.S.
Coordinates: 31°33′N 97°12′W / 31.55°N 97.2°W / 31.55; -97.2
Country United States
State Texas
Founded1850
Named afterNeil McLennan
SeatWaco
Largest cityWaco
Area
  Total
1,060 sq mi (2,700 km2)
  Land1,037 sq mi (2,690 km2)
  Water23 sq mi (60 km2)  2.2%
Population
 (2020)
  Total
260,579
  Estimate 
(2024)
270,358
  Density250/sq mi (95/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district17th
Websitewww.co.mclennan.tx.us

McLennan County is a county located on the Edwards Plateau in Central Texas. As of the 2020 census, its population was 260,579. Its county seat and largest city is Waco. The U.S. census 2024 county population estimate is 270,358. The county is named for Neil McLennan, an early Scottish settler in frontier Texas. McLennan County is included in the Waco Metropolitan Statistical Area.