Louisville, IL

View of Louisville, IL
Image credit: Nyttend / Public domain
Population
1,108
U.S. Census Population Estimates Program · 2025
Elevation
477 ft
Median Home Value
$87,100
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$581/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$43,750
U.S. Census American Community Survey 5-Year · 2024

Explore

Louisville in context.

About Louisville

Louisville is a Clay County village and county seat on the Little Wabash River in south-central Illinois. The 2020 census counted 1,136 residents. U.S. Route 45 runs through the village, leading north toward Effingham and south toward Flora, while the river places Louisville in the low, agricultural landscape around the county’s center. County offices, courthouse work, and village streets give the place a civic role that reaches beyond its size. The river also gives the county seat a distinct southern Illinois setting.

Clay County Courthouse in Louisville from north northwest

The village was named for the Lewis family of settlers, not for Kentucky’s larger Louisville. That local name keeps the early settlement story close to the ground. Louisville also had a Grand Army of the Republic post, the Louisville Post No. 249, chartered in 1883 and named for William J. Stephenson. Today the Little Wabash and Route 45 still provide the clearest orientation: water to one side, a north–south highway through town, and a county-seat schedule that brings Clay County residents into the village.

Top Rating Signals

Highest current ratings for this town.

Loading town details...