Salem

County:: Marion County
County Seat:: Yes
Area (mi²):: 6.991
State:: Illinois

Salem is a city located in Marion County, Illinois. Salem has a 2025 population of 6,917. It is also the county seat of Marion County. Salem is currently declining at a rate of -0.99% annually and its population has decreased by -4.78% since the most recent census, which recorded a population of 7,264 in 2020.

The average household income in Salem is $73,933 with a poverty rate of 20.12%.The median age in Salem is 38.2 years: 37.8 years for males, and 38.7 years for females.

Demographics

The racial composition of Salem includes 90.03% White, 4.17% Black or African American, and smaller percentages for Two or more races, other race, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	6,609	90.03%
Black or African American	306	4.17%
Two or more races	212	2.89%
Other race	148	2.02%
Asian	66	0.9%

Salem Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Salem's average per capita income is $46,007. Household income levels show a median of $57,083. The poverty rate stands at 20.12%.

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	$93,835	-
Families	$69,438	$91,023
Households	$57,083	$73,933
Non Families	$35,991	$44,564

$46,007

Average Income

$57,083

Median Household Income

20.12%

Poverty Rate