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The City of Henry had a population of 2,441 as of 2020-2024 American Community Survey 5-Year Estimates. Henry ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Henry is located at latitude 41.1114 and longitude -89.3565 in Marshall County. The formal boundaries for the City of Henry encompass a land area of 1.75 sq. miles and a water area of 0.07 sq. miles. Marshall County is in the Central time zone (GMT -6).

The City of Henry has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Henry is located within Township of Henry, a minor civil division (MCD) of Marshall County.

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Henry Demographic Data
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Henry, IL Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION
Total Population	2,441 (100%)
Population Density	1,356 per sq mi
Diversity Index¹	8


INCOME
Median Household Income	$65,577
Per Capita Income	$34,611
Median Home Value	$117,000

HOUSING
Total HU (Housing Units)	1,147 (100%)
Owner Occupied HU	765 (66.7%)
Renter Occupied HU	269 (23.5%)
Vacant Housing Units	113 (9.9%)

HOUSEHOLDS
Total Households	1,034
Average Household Size	2.28
Family Households	685 (66.2%)

NOTES

The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Henry, IL - Peer Comparisons by Rank and Percentile

The table below compares Henry to the other 1,461 incorporated cities, towns and CDPs in Illinois by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description	Rank	Percentile
Total Population	# 467	68th
Population Density	# 509	65th
Median Household Income	# 809	45th
Per Capita Income	# 713	51st
Diversity Index	# 1168	20th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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Henry, IL Profile: Facts & Data

Henry, Illinois - Basic Facts

Henry, IL Data & Demographics

POPULATION

INCOME

HOUSING

HOUSEHOLDS

Henry, IL - Peer Comparisons by Rank and Percentile

Henry, IL - Most Popular Things to Do

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Marshall County