Shelbyville

County:: Shelby County
County Seat:: Yes
Area (mi²):: 4.085
State:: Illinois

Shelbyville is a city located in Shelby County, Illinois. Shelbyville has a 2025 population of 4,498. It is also the county seat of Shelby County. Shelbyville is currently declining at a rate of -0.68% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 4,653 in 2020.

The average household income in Shelbyville is $64,500 with a poverty rate of 14.22%.The median age in Shelbyville is 45 years: 42.7 years for males, and 49.3 years for females.

Demographics

The racial composition of Shelbyville includes 97.9% White, and smaller percentages for Two or more races, Native American, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	4,159	97.9%
Two or more races	56	1.32%
Native American	20	0.47%
Black or African American	11	0.26%
Other race	2	0.05%

Shelbyville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Shelbyville's average per capita income is $37,339. Household income levels show a median of $54,400. The poverty rate stands at 14.22%.

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	$91,357	-
Families	$74,115	$84,088
Households	$54,400	$64,500
Non Families	$44,276	$46,799

$37,339

Average Income

$54,400

Median Household Income

14.22%

Poverty Rate