Illinois Counties
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Illinois Counties

There are one hundred and two counties in Illinois. St. Clair County was the first county established in what is today Illinois. Most counties in Illinois were named after early American leaders, especially of the American Revolutionary War, as well as soldiers from the Battle of Tippecanoe and the War of 1812.

Fayette County, Illinois

Fayette County Education, Geography, and HistoryFayette County, Illinois Courthouse

Fayette County is a county located in the state of Illinois. Based on the 2010 census, the population was 22,140. Fayette County was created on February 14, 1821. The county seat is Vandalia. The county is named for Marquis de la Fayette (1757-1834), French military officer who was a key factor in the American and French Revolutions.

Etymology - Origin of Fayette County Name

The county is named in honor of the Marquis de LaFayette, French hero of the American Revolutionary War.


County QuickFacts: CensusBureau Quick Facts

Fayette County History

Fayette County was formed in 1821 out of Bond, Clark, and Crawford counties. It was named in honor of the Marquis de LaFayette, French hero of the American Revolutionary War.

Geography: Land and Water

As reported by the Census Bureau, the county has a total area of 725 square miles (1,880 km2), of which 716 square miles (1,850 km2) is land and 8.9 square miles (23 km2) (1.2%) is water.

Fayette county is located in south Illinois. Ramsey Lake State Recreation Area is located in the northwest part of this county and Carlyle Lake State Fish and Wildlife Area is in Fayette county .

Neighboring Counties

Bordering counties are as follows:

  • Shelby County - northeast
  • Effingham County - east
  • Clay County - southeast
  • Marion County - south
  • Clinton County - southwest
  • Bond County - west
  • Montgomery County - northwest


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