Millbrook, IL Profile: Facts, Map & Data


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Millbrook, Illinois - Basic Facts

The Village of Millbrook had a population of 337 as of July 1, 2016. Millbrook 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 Millbrook is located at latitude 41.605 and longitude -88.5449 in Kendall County. The formal boundaries for the Village of Millbrook (see map below) encompass a land area of 2.08 sq. miles and a water area of 0 sq. miles. Kendall County is in the Central time zone (GMT -6). The elevation is 627 feet.

The Village of Millbrook (GNIS ID: 2399351) 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 Millbrook is located within Township of Fox, a minor civil division (MCD) of Kendall County.

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

Neighborhood Data

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Village of Millbrook, IL Boundary Map

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Boundary Maps: Township of Fox | Kendall County | Illinois Counties

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


Total Population 337
Population in Households 337
Population in Familes 305
Population in Group Qrtrs 0
Population Density1 162
Diversity Index2 13


Total Households 120
Average Household Size 2.81
Family Households 98
Average Family Size 3


Total Housing Units 123 (100%)
Owner Occupied HU 99 (80.5%)
Renter Occupied HU 21 (17.1%)
Vacant Housing Units 3 ( 2.4%)
Median Home Value $367,647
Average Home Value $390,657


Median Household Income $81,346
Average Household Income $99,889
Per Capita Income $34,859
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.1% 0.06%
Households 0.13% 0.0%
Families -0.64% -0.2%
Median Household Income   2.82%
Per Capita Income   2.07%
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.

Millbrook, IL - Peer Comparisons by Rank and Percentile

The table below compares Millbrook 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 # 1058 23rd
Population Density1 # 1303 5th
Diversity Index2 # 648 53rd
Median Household Income # 135 90th
Per Capita Income # 187 86th

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

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