Marshall County Flag

Marshall County

State:
Illinois
County Seat:
Lacon

Marshall County's estimated 2025 population is 11,707 with a growth rate of 0.1% in the past year according to the most recent United States census data. Marshall County is the 84th largest county in Illinois. The 2010 population was 12,637 and has seen a growth of -7.36% since that time.

11,707
Total Population
30
Population Density (miĀ²)
84
Population Rank (State)
12 0.1%
Annual Population Growth

Marshall County Population

Marshall County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marshall County includes 93.73% White, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White10,98193.73%
Two or more races5134.38%
Other race1521.3%
Black or African American490.42%
Asian130.11%
Native Hawaiian or Pacific Islander60.05%
Native American10.01%

Marshall County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marshall County's average per capita income is $45,852. Household income levels show a median of $69,818. The poverty rate stands at 11.74%.

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$93,492-
Families$88,156$99,218
Households$69,818$83,438
Non Families$35,292$49,953

$45,852

Average Income

$69,818

Median Household Income

11.74%

Poverty Rate