Grafton, Illinois

Grafton
The Slaten-LaMarsh House, Downtown Grafton
Motto: 
“Key West of the Midwest”
Location of Grafton in Jersey County, Illinois.
Coordinates: 38°58′35″N 90°25′33″W / 38.97639°N 90.42583°W / 38.97639; -90.42583
CountryUnited States
StateIllinois
CountyJersey
TownshipQuarry
Founded1832
Government
 • TypeMayor-Council
Area
 • Total
3.71 sq mi (9.62 km2)
 • Land3.71 sq mi (9.62 km2)
 • Water0 sq mi (0.00 km2)
Elevation
745 ft (227 m)
Population
 (2020)
 • Total
626
 • Density168.6/sq mi (65.11/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62037
Area code618
FIPS code17-30653
GNIS feature ID2394943
Websitehttp://cityofgraftonil.com/

Grafton is the oldest city in Jersey County, Illinois, United States. It is located near the confluence of the Illinois and Mississippi Rivers. As of the 2020 census, the city had a total population of 626.

Grafton is a part of the Metro-East region and Greater St. Louis.