Hennepin, IL Profile: Facts, Map & Data


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Hennepin, Illinois - Basic Facts

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The Village of Hennepin had a population of 769 as of July 1, 2016. Hennepin ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Hennepin is located at latitude 41.2469 and longitude -89.314 in Putnam County. The formal boundaries for the Village of Hennepin (see map below) encompass a land area of 5.26 sq. miles and a water area of 0.37 sq. miles. Putnam County is in the Central time zone (GMT -6). The elevation is 502 feet.

The Village of Hennepin (GNIS ID: 2398489) 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 Village of Hennepin is located within Township of Hennepin, a minor civil division (MCD) of Putnam County.

Beneath the boundary map are tables with Hennepin population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Hennepin: Fort Deposit, Fort Wilbourn, Prairie de Prue.

Neighborhood Data

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Village of Hennepin, IL Boundary Map

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Boundary Maps: Township of Hennepin | Putnam County | Illinois Counties

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Hennepin, IL Data & Demographics (As of July 1, 2016)


Total Population 769
Population in Households 767
Population in Familes 631
Population in Group Qrtrs 2
Population Density1 146
Diversity Index2 14


Total Households 333
Average Household Size 2.3
Family Households 228
Average Family Size 3


Total Housing Units 373 (100%)
Owner Occupied HU 261 (70.0%)
Renter Occupied HU 72 (19.3%)
Vacant Housing Units 40 (10.7%)
Median Home Value $147,881
Average Home Value $166,571


Median Household Income $57,996
Average Household Income $71,024
Per Capita Income $30,366
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.25% -0.16%
Households 0.34% -0.12%
Families 0.72% -0.26%
Median Household Income   3.18%
Per Capita Income   2.14%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Hennepin, IL - Peer Comparisons by Rank and Percentile

The table below compares Hennepin to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2016 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 # 787 42nd
Population Density1 # 1316 4th
Diversity Index2 # 636 54th
Median Household Income # 457 67th
Per Capita Income # 343 75th

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

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