Henderson County
Henderson County has lower-than-average household income, with a median household income of $62,227. Population has fallen 25% since 2000, a loss of 2,020 residents. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $104,400. With a median age of 50.2, the population is older than the US median of 38.9. Households here earn about 25% less than the Illinois median.
Population & growth
PEP 2025 EST:5,984 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
Education
Commute & transportation
Work & employment
People & community
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Compare Henderson County to nearby counties
How many people live in Henderson County, Illinois?
Henderson County, Illinois has about 6,193 residents according to the 2024 American Community Survey.
What is the median household income in Henderson County, Illinois?
The typical household in Henderson County, Illinois earns about $62,227 a year. Half of households make more than that, and half make less.
Is Henderson County, Illinois expensive?
In Henderson County, Illinois, the median home is worth about $104,400, and the typical rent is about $764 a month.
How educated are people in Henderson County, Illinois?
About 20.6% of adults age 25 and over in Henderson County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Henderson County, Illinois?
About 13.9% of people in Henderson County, Illinois live below the federal poverty line.
Has Henderson County, Illinois grown since 1990?
Yes, Henderson County, Illinois has shrunk since 1990. The population has lost about 1,903 residents, a change of about -24 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024