ZIP Code 61439
About Henderson
Henderson is a village in Knox County, Illinois, United States. The population was 266 at the 2020 census. It is part of the Galesburg Micropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
268
population
$56,429
median household income
214
people / sq mi
$97,500
median home value
$625
median gross rent
32.5
median age
123
housing units
108
households
1.2
land area (sq mi)