Kendall County, Illinois

Kendall County
Kendall County Courthouse
Map of Illinois highlighting Kendall County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 41°35′N 88°26′W / 41.59°N 88.43°W / 41.59; -88.43
Country United States
State Illinois
Founded1841
Named forAmos Kendall
SeatYorkville
Largest villageOswego
Area
 • Total
322 sq mi (830 km2)
 • Land320 sq mi (800 km2)
 • Water2.0 sq mi (5 km2)  0.61%
Population
 (2020)
 • Total
131,869 Increase
 • Density412/sq mi (159/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district14th
Websitewww.co.kendall.il.us
Terminal moraines, such as this one in central Kendall County, rise dramatically from the surrounding plain.

Kendall County is a county in the U.S. state of Illinois, within the Chicago metropolitan area. According to the 2020 census, it has a population of 131,869.[1] Its county seat is Yorkville,[2] and its most populous municipality is Oswego.

Kendall County is part of the Chicago metropolitan area and was the fastest-growing county in the United States between 2000 and 2010.[3]

  1. ^ "U.S. Census Bureau QuickFacts: Kendall County, Illinois". www.census.gov. Retrieved August 29, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "Population Distribution and Change: 2000 to 2010" (PDF). United States Census Bureau. March 2011. p. 9. Archived (PDF) from the original on February 28, 2017. Retrieved March 26, 2011.