Gillespie, Illinois

Gillespie, Illinois
Downtown Gillespie
Location in Macoupin County, Illinois
Coordinates: 39°07′24″N 89°48′58″W / 39.12333°N 89.81611°W / 39.12333; -89.81611
CountryUnited States
StateIllinois
CountyMacoupin
TownshipsGillespie, Cahokia
Incorporated1853
Area
 • Total
1.48 sq mi (3.8 km2)
 • Land1.48 sq mi (3.8 km2)
 • Water0.00 sq mi (0 km2)
Elevation
663 ft (202 m)
Population
 (2020)
 • Total
3,168
 • Density2,140.5/sq mi (826.5/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62033
Area code(s)217, 447
FIPS code17-29236
GNIS feature ID2394896

Gillespie is a city in Macoupin County, Illinois, United States, and part of the Metro East region of the St. Louis metropolitan area. The population was 3,168 at the 2020 census.