Brown County's estimated 2026 population is 6,319 with a growth rate of 0.1% 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 -8.67% since that time.
Data after 2023 is projected based on recent change
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.
White (75.59%)
Black or African American (17.26%)
Two or more races (3.24%)
Other race (3.04%)
Native American (0.84%)
Asian (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,777 | 75.59% |
| Black or African American | 1,091 | 17.26% |
| Two or more races | 205 | 3.24% |
| Other race | 192 | 3.04% |
| Native American | 53 | 0.84% |
| Asian | 2 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,015 | - |
| Families | $85,645 | $96,575 |
| Households | $72,288 | $83,413 |
| Non Families | $39,531 | $60,571 |
Average Income
Median Household Income
Poverty Rate