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 2026 population of 1,088. It is also the county seat of Clay County. Louisville is currently declining at a rate of -0.82% annually and its population has decreased by -4.9% since the most recent census, which recorded a population of 1,144 in 2020.

The median household income in Louisville is $43,750 with a poverty rate of 30.65%. The median age in Louisville is 40.3 years: 34.6 years for males, and 44.2 years for females. For every 100 females there are 85.5 males.

1.1K
Total Population
1,313
Density (mi²)
-9 -0.82%
Growth

Louisville Population

Louisville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,088-9-0.82%
20251,097-10-0.9%
20241,107-10-0.9%
20231,117-8-0.71%
20221,125-10-0.88%
20211,135-9-0.79%
20201,144-2-0.17%
20191,097-7-0.63%
20181,104-2-0.18%
20171,106-4-0.36%
20161,110-10-0.89%
20151,120-1-0.09%
20141,121-11-0.97%
20131,132-13-1.14%
20121,145-3-0.26%
20111,14890.79%
20101,15730.26%

Median Age

Overall: 40.3 years
Female: 44.2 years
Male: 34.6 years

Louisville Adults

There are 878 adults, (254 of whom are seniors) in Louisville.

Sex Ratio

Female: 627 (53.9%)
Male: 536 (46.1%)

Demographics

The racial composition of Louisville includes 95.7% White, and smaller percentages for other race, Two or more races, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,11395.7%
Other race211.81%
Two or more races181.55%
Black or African American110.95%
Race
Population ↓
Percentage (of total)
Other race211.81%
Two or more races171.46%
White100.86%
Race
Population ↓
Percentage (of total)
White1,10394.84%
Black or African American110.95%
Two or more races10.09%

Louisville Marital Status

Economics and Income Statistics

Louisville 's average per capita income is $40,494. Household income levels show a median of $43,750. The poverty rate stands at 30.65%.

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$76,750-
Families$52,847$62,789
Households$43,750$53,522
Non Families$31,667$39,389

$40,494

Average Income

$43,750

Median Household Income

30.65%

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)