ZIP Code 61537
About Henry
Henry is a city in Marshall County, Illinois, United States. The population was 2,320 at the 2020 census. It is part of the Peoria Metropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
2,742
population
$68,125
median household income
48
people / sq mi
$121,200
median home value
$697
median gross rent
41.6
median age
1,246
housing units
1,100
households
57.1
land area (sq mi)