Henderson County, Illinois Demographics 2026

Name: Henderson County, Illinois Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Henderson County, Illinois has a population of 6,193, the 92nd most populous county in Illinois. The median household income is $62,227 and the median home value is $104,400. The poverty rate is 13.9%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Henderson County Quick Facts

Population 6,193

Median Household Income $62,227

Median Home Value $104,400

Poverty Rate 13.9%

Unemployment Rate 7.8%

Median Age 50.2 years

Homeownership Rate 81.1%

Affordability Ratio 1.7x

Bachelor's Degree+ 20.6%

High School Graduation 90.9%

Cities/Places 8

Population 6,193 92nd of 102

Median Income $62,227 25% lower than state

Poverty Rate 13.9%

Unemployment 7.8%

How Henderson County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	6,284	6,193	-1.4%
Median household income	$65,651	$62,227	-5.2%
Median home value	$101,600	$104,400	+2.8%

Median Household Income

Henderson

$62,227

$83,390

National

$80,734

Median Home Value

Henderson

$104,400

$263,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 18.9%

$25K-$50K 22.4%

$50K-$100K 29.4%

$100K+ 29.3%

Detailed income brackets

Under $10K

2.7%

$10K-$15K

4.5%

$15K-$20K

4.1%

$20K-$25K

7.5%

$25K-$30K

5.5%

$30K-$35K

6.3%

$35K-$40K

3.8%

$40K-$45K

2.7%

$45K-$50K

4.1%

$50K-$60K

6.9%

$60K-$75K

9.7%

$75K-$100K

12.8%

$100K-$125K

12.7%

$125K-$150K

7.3%

$150K-$200K

7.1%

$200K+

2.2%

Employment

7.8% Unemployment Rate State: 5.8%|National: 5.2%

54.8% Labor Force Participation

Housing Overview

Owner 81.1%

Renter 18.9%

Affordability Index Very Affordable

1.7x home value to income ratio

Median gross rent $764/mo 14.7% of median household income annually

People & Demographics

Age Distribution

Under 18

18.5%

18-34

15.0%

35-54

22.3%

55-74

31.8%

75+

12.4%

Race & Ethnicity

Diversity Index

Very Low Diversity

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

State average: 61 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Henderson County

City	Population	Median Income	Poverty	Home Value
Oquawka	1,059	$53,929	15.9%	$92,000
Stronghurst	949	$59,375	14.9%	$124,600
Lomax	318	$51,875	11.0%	$79,000
Biggsville	294	$86,250	10.9%	$83,500
Carman	250	N/A	0.0%	N/A
Gladstone	237	$50,000	10.1%	$59,400
Media	153	$76,607	7.8%	$89,500
Raritan	134	$68,750	14.2%	$87,500

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

Henderson County is located in Illinois with a total population of 6,193. It is the 92nd most populous county out of 102 in Illinois. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Henderson County is 50.2 years. This is 29% higher than the state median of 39.0 years. 12.4% 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 Henderson County is $62,227. This is 25% lower than the state median of $83,390. It is also 23% lower than the national median of $80,734. The poverty rate stands at 13.9%. This is 18% higher than the state poverty rate of 11.8%. The unemployment rate is 7.8%. This is 34% higher than the state rate of 5.8%. The median home value is $104,400. Housing costs are 60% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.7x, Henderson County is one of the most affordable housing markets in the area. 81.1% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 67.1%.

Race & Ethnicity

Henderson County has a predominantly White (non-Hispanic) population, comprising 93.7% of all residents. Hispanic or Latino residents account for 1.2%. The White (non-Hispanic) population is significantly higher than the state average (93.7% vs 58.1%). The Black or African American population (0.3%) is well below the state average of 13.3%. The Hispanic or Latino population (1.2%) is well below the state average of 18.8%. The Asian population (0.2%) is well below the state average of 5.9%.

Education

20.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.9%.

Data Sources & Methodology

All figures for Henderson County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Henderson County, Illinois?

Henderson County has a population of 6,193, making it the 92nd most populous county in Illinois.

What is the median income in Henderson County?

The median household income in Henderson County is $62,227 with a poverty rate of 13.9%.

How many cities are in Henderson County, Illinois?

Henderson County contains 8 Census-designated places.