Brown County Flag

Brown County

State:
Illinois
County Seat:
Mount Sterling

Brown County's estimated 2025 population is 6,250 with a growth rate of -0.35% in the past year according to the most recent United States census data. Brown County is the 91st largest county in Illinois. The 2010 population was 6,919 and has seen a growth of -9.67% since that time.

6,250
Total Population
20
Population Density (mi²)
91
Population Rank (State)
-22 -0.35%
Annual Population Growth

Brown County Population

Brown County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Brown County includes 75.59% White, 17.26% Black or African American, 3.04% other race, and smaller percentages for Native American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,77775.59%
Black or African American1,09117.26%
Two or more races2053.24%
Other race1923.04%
Native American530.84%
Asian20.03%

Brown County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brown County's average per capita income is $45,781. Household income levels show a median of $72,288. The poverty rate stands at 8.87%.

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$94,015-
Families$85,645$96,575
Households$72,288$83,413
Non Families$39,531$60,571

$45,781

Average Income

$72,288

Median Household Income

8.87%

Poverty Rate