Clayton, Illinois

Clayton, Illinois
Park and Main Streets in Clayton
Location of Clayton in Adams County, Illinois.
Coordinates: 40°01′48″N 90°57′29″W / 40.03000°N 90.95806°W / 40.03000; -90.95806
CountryUnited States
StateIllinois
CountyAdams
TownshipClayton
Founded1834
Named afterHenry Clay
Area
 • Total
0.89 sq mi (2.31 km2)
 • Land0.88 sq mi (2.29 km2)
 • Water0.0077 sq mi (0.02 km2)
Elevation
728 ft (222 m)
Population
 (2020)
 • Total
639
 • Estimate 
(2024)
616
 • Density723/sq mi (279/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62324
Area code217
FIPS code17-14767
GNIS feature ID2397640
Websitevillageofclayton.municipalimpact.com

Clayton is a village in Adams County, Illinois, United States. As of the 2020 census, the total population was 639 people, down from 709 at the 2010 census. It is part of the Quincy, IL–MO Micropolitan Statistical Area.