Tazewell County, Illinois

Tazewell County
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 40°31′N 89°31′W / 40.51°N 89.51°W / 40.51; -89.51
Country United States
State Illinois
Founded1827
Named afterLittleton Waller Tazewell
SeatPekin
Largest cityPekin
Area
  Total
658 sq mi (1,700 km2)
  Land649 sq mi (1,680 km2)
  Water9.0 sq mi (23 km2)  1.4%
Population
 (2020)
  Total
131,343
  Density200/sq mi (77/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional districts16th, 17th
Websitewww.tazewell.com

Tazewell County (/tæzwɛl/) is located in the U.S. state of Illinois. According to the 2020 census, it had a population of 131,343. Its county seat and largest city is Pekin. It is pronounced with a short "a", to rhyme with "razz" rather than "raze."

Tazewell County is part of the Peoria metropolitan area. The majority of the population lives along the county's western border.