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Henderson, Knox County, Illinois

Village in Knox County, Illinois · ZIP 61439, 61488

  • Knox County
  • Within Henderson Township
  • Census data · ACS 2019-2023
Join HendersonAsk HendersonBusinessesPeople
  • 257 (2024 estimate)Population
  • 103Households
  • $51,875Median household income
  • $98,800Median home value
  • 2ZIP codes

About Henderson

This page shows only what has been published about Henderson: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−16.6%
2502753003252000: 31920002010: 25520102020: 2662020319266
Population of Henderson at each census
CensusPopulation
2000319
2010255
2020266

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 17, retrieved November 14, 2026.

Household income in Henderson
Under $50k48.5%
$50k to $100k30.1%
$100k to $150k18.4%
$150k to $200k1.9%
$200k and over1%

Median household income $51,875 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 17, retrieved November 14, 2026.

Housing tenure in Henderson
Owner occupied
82 units
Renter occupied
21 units
Vacancy rate
12.7%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.

Henderson compared with its county and state
Henderson compared with its county and state, American Community Survey 2019-2023
MeasureHendersonKnox CountyIllinois
Population25349,29412,692,653
Median household income$51,875$53,291$81,702
Median age26.642.438.9
Median home value$98,800$104,900$250,500
Bachelor’s degree or higher18.9%20.3%37.2%
Foreign-born residents3.2%3.3%14.4%
Owner-occupied homes79.6%69.8%66.8%
Mean commute to work28.2 minutes20.6 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.

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Nearby towns

Other towns in Knox County

All towns in Knox County

Other places named Henderson in Illinois