Vandalia, Illinois

city in Illinois, United States

Vandalia is a city in Fayette County, Illinois, United States. It is 69 miles (111 km) northeast of St. Louis, on the Kaskaskia River. It was the capital of Illinois from 1819 to 1839. (The state legislature moved the capital from Kaskaskia to a more central location in Vandalia.) It was also the west end of the National (Cumberland) Road, which is now U.S. Highway 40. Today it is the county seat of Fayette County[4] and the home of the Vandalia State House State Historic Site (1836). The population was 7,458 at the 2020 census.[3]

Vandalia
Motto: 
"Oldest Existing Illinois Capital City"
Location of Vandalia in Fayette County, Illinois.
Location of Vandalia in Fayette County, Illinois.
Location of Illinois in the United States
Location of Illinois in the United States
Coordinates: 38°58′31″N 89°06′42″W / 38.97528°N 89.11167°W / 38.97528; -89.11167[1]
Country United States
State Illinois
CountyFayette
TownshipsVandalia, Bear Grove, Sharon
Founded1819
Area
 • Total8.16 sq mi (21.14 km2)
 • Land8.15 sq mi (21.10 km2)
 • Water0.02 sq mi (0.04 km2)
Elevation518 ft (158 m)
Population
 • Total7,458
 • Density915.43/sq mi (353.46/km2)
Time zoneUTC−6 (CST)
 • Summer (DST)UTC−5 (CDT)
ZIP Code
62471
Area code618
FIPS code17-77317
GNIS feature ID2397119[1]
Websitevandaliaillinois.com
Vandalia, Illinois

References

change
  1. 1.0 1.1 1.2 U.S. Geological Survey Geographic Names Information System: Vandalia, Illinois
  2. "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  3. 3.0 3.1 "QuickFacts: Vandalia city, Illinois". United States Census Bureau. Retrieved September 23, 2023.
  4. "Find a County". National Association of Counties. Retrieved 2008-01-31.