Gallatin County, Illinois

Gallatin County, Illinois, had an estimated population of 4,616 in 2025 across 836 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Illinois's counties and nationally.

Population
4,616
2025 estimate
Area
836 km²
Density
6
per km²
Median income
$59,219
household, ACS 2024
Median age
46.7
years, ACS 2024
How Illinois's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202482.3%
Median Gross Rent2024$541
Median Home Value2024$82,900
Owner-Occupied Homes202477.4%
Vacant Homes202416.2%
Demography
IndicatorValue
Aged 65 and Over202425.3%
American Indian & Alaska Native20240.1%
Asian, non-Hispanic20240.8%
Average Household Size2024people2.3
Black, non-Hispanic20241.1%
Foreign-Born20240.7%
Hispanic or Latino20241.2%
Median Age2024years46.7
Sex Ratio2024per 1,000 males985
Speak a Language Other Than English20242.1%
Under 18202420.5%
Veterans20246.4%
White, non-Hispanic202495.0%
Economy
IndicatorValue
Below Poverty Line202413.6%
Households on SNAP202421.8%
Income Inequality2024index0.459
Median Household Income2024$59,219
Per Capita Income2024$34,560
Unemployment Rate20249.2%
Education
IndicatorValue
Bachelor's Degree or Higher202413.6%
High School or Higher202486.8%
Health Coverage
IndicatorValue
No Health Insurance20244.6%
With a Disability202425.5%
Population & Density
IndicatorValue
Population20254,616
Population Density2025/km²6
Work & Commute
IndicatorValue
Commute by Public Transit20240.0%
Households with No Vehicle20247.7%
Mean Commute Time2024minutes26.1
Work from Home20242.2%
Compare Gallatin County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.