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Gallatin County, Illinois Demographics 2026

Gallatin County, Illinois has a population of 4,857, the 98th most populous county in Illinois. The median household income is $54,626 and the median home value is $84,700. The poverty rate is 15.6%.

Gallatin County Quick Facts

Population 4,857
Median Household Income $54,626
Median Home Value $84,700
Poverty Rate 15.6%
Unemployment Rate 7.3%
Median Age 47.3 years
Homeownership Rate 80.4%
Affordability Ratio 1.6x
Bachelor's Degree+ 15.3%
High School Graduation 86.4%
Cities/Places 0
Population 4,857 98th of 102
Median Income $54,626 33% lower state
Poverty Rate 15.6%
Unemployment 7.3%

Economy & Housing

Employment

7.3% Unemployment Rate State: 5.8% | National: 5.2%
57.7% Labor Force Participation

Housing Overview

Owner 80.4%
Renter 19.6%
Affordability Index Very Affordable
1.6x home value to income ratio

People & Demographics

Diversity Index

9out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 60 | National average: 60

Education

Explore Illinois Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Gallatin County is located in Illinois with a total population of 4,857. It is the 98th most populous county out of 102 in Illinois.

Age Demographics

The median age in Gallatin County is 47.3 years. This is 22% higher than the state median of 38.9 years. 11.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Gallatin County is $54,626. This is 33% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 30% lower. The poverty rate stands at 15.6%. This is 33% higher than the state poverty rate of 11.7%. The unemployment rate is 7.3%. This is 26% higher than the state rate of 5.8%. The median home value is $84,700. Housing costs are 66% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.6x, Gallatin County is one of the most affordable housing markets in the area. 80.4% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 66.8%.

Race & Ethnicity

Gallatin County has a predominantly White (non-Hispanic) population, comprising 95.3% of all residents. Hispanic or Latino residents account for 0.8%. The White (non-Hispanic) population is significantly higher than the state average (95.3% vs 58.8%). The Black or African American population (0.7%) is well below the state average of 13.6%. The Hispanic or Latino population (0.8%) is well below the state average of 18.5%. The Asian population (0.3%) is well below the state average of 5.8%.

Education

15.3% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 59% lower than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.4%.

Frequently Asked Questions

What is the population of Gallatin County, Illinois?

Gallatin County has a population of 4,857, making it the 98th most populous county in Illinois.

What is the median income in Gallatin County?

The median household income in Gallatin County is $54,626 with a poverty rate of 15.6%.

How many cities are in Gallatin County, Illinois?

Gallatin County contains 0 Census-designated places.