Louisville Flag

Louisville

County:
Clay County
County Seat:
Yes
Area (mi²):
0.828
State:
Illinois

Louisville is a village located in Clay County, Illinois. Louisville has a 2025 population of 1,102. It is also the county seat of Clay County. Louisville is currently declining at a rate of -0.72% annually and its population has decreased by -3.67% since the most recent census, which recorded a population of 1,144 in 2020.

The average household income in Louisville is $58,089 with a poverty rate of 28.59%.The median age in Louisville is 38.6 years: 30.3 years for males, and 42.5 years for females.

1.1K
Total Population
1,330
Density (mi²)
-8 -0.72%
Growth

Louisville Population

Louisville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Louisville includes 97.05% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,25097.05%
Black or African American342.64%
Two or more races40.31%

Louisville Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Louisville's average per capita income is $37,868. Household income levels show a median of $44,318. The poverty rate stands at 28.59%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$80,431-
Families$64,821$69,981
Households$44,318$58,089
Non Families$30,536$37,761

$37,868

Average Income

$44,318

Median Household Income

28.59%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)