Auburn, Illinois

Auburn
Nickname: 
The Redbud City
Location of Auburn in Sangamon County, Illinois.
Coordinates: 39°34′44″N 89°44′56″W / 39.57889°N 89.74889°W / 39.57889; -89.74889
CountryUnited States
StateIllinois
CountySangamon
EstablishedFebruary 24, 1853
Area
 • Total
4.12 sq mi (10.68 km2)
 • Land4.12 sq mi (10.68 km2)
 • Water0 sq mi (0.00 km2)
Elevation
614 ft (187 m)
Population
 (2020)
 • Total
4,574
 • Density1,109.2/sq mi (428.25/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62615
Area code(s)217, 447
FIPS code17-02921
GNIS feature ID2394023
Websitewww.auburnillinois.us

Auburn is a city in Sangamon County, Illinois, United States. As of the 2020 census, Auburn had a population of 4,574. It is part of the Springfield, Illinois Metropolitan Statistical Area.