Kaskaskia, Illinois

Kaskaskia
Kaskaskia Church
Location of Kaskaskia in Randolph County, Illinois
Coordinates: 37°55′17″N 89°54′59″W / 37.92139°N 89.91639°W / 37.92139; -89.91639
CountryUnited States
StateIllinois
CountyRandolph
Area
 • Total
0.10 sq mi (0.27 km2)
 • Land0.10 sq mi (0.27 km2)
 • Water0 sq mi (0.00 km2)
Elevation
374 ft (114 m)
Population
 (2020)
 • Total
21
 • Density199.0/sq mi (76.84/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
63673
Area code618/366
FIPS code17-39129
GNIS feature ID2398330

Kaskaskia is a village in Randolph County, Illinois, on the west side of the Mississippi River. The population of Kaskaskia was 21 in the 2020 United States census, making it the third-least populous incorporated community in Illinois behind Valley City (pop. 14) and Florence (pop. 17). Kaskaskia has an Illinois telephone area code (618) and a Missouri ZIP Code (63673). Its roads are maintained by Illinois Department of Transportation, and its few residents vote in Illinois elections. The town was evacuated in the Great Flood of 1993, which covered it with water more than 9 ft (3 m) deep.