Morgan County, Illinois

Morgan County, Illinois
Location within the U.S. state of Illinois
Coordinates: 39°43′N 90°12′W / 39.71°N 90.2°W / 39.71; -90.2
Country United States
State Illinois
Founded1823
Named afterDaniel Morgan
SeatJacksonville
Largest cityJacksonville
Area
 • Total
572 sq mi (1,480 km2)
 • Land569 sq mi (1,470 km2)
 • Water3.5 sq mi (9.1 km2)  0.6%
Population
 (2020)
 • Total
32,915
 • Estimate 
(2024)
32,618
 • Density57.8/sq mi (22.3/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district15th

Morgan County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 32,915. Its county seat is Jacksonville.

Morgan County is part of the Jacksonville, IL Micropolitan Statistical Area, which is also included in the Springfield–Jacksonville–Lincoln, IL Combined Statistical Area.