Northbrook, IL Profile: Facts, Map & Data


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Northbrook, Illinois - Basic Facts

The Village of Northbrook had a population of 33,864 as of July 1, 2016. Northbrook ranks in the upper quartile for Population Density and 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 Northbrook is located at latitude 42.1297 and longitude -87.8351 in Cook County. The formal boundaries for the Village of Northbrook (see map below) encompass a land area of 13.19 sq. miles and a water area of 0.06 sq. miles. Cook County is in the Central time zone (GMT -6). The elevation is 646 feet.

The Village of Northbrook (GNIS ID: 2399526) 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 Northbrook is located within Township of Northfield, a minor civil division (MCD) of Cook County.

Beneath the boundary map are tables with Northbrook 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 Northbrook: Shermerville, Techny.

Neighborhood Data

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Village of Northbrook, IL Boundary Map

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Boundary Maps: Township of Northfield | Cook County | Illinois Counties

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


Total Population 33,864
Population in Households 33,342
Population in Familes 29,296
Population in Group Qrtrs 522
Population Density1 2,567
Diversity Index2 32


Total Households 12,998
Average Household Size 2.57
Family Households 9,557
Average Family Size 3


Total Housing Units 13,618 (100%)
Owner Occupied HU 11,172 (82.0%)
Renter Occupied HU 1,826 (13.4%)
Vacant Housing Units 620 ( 4.6%)
Median Home Value $577,637
Average Home Value $607,281


Median Household Income $111,909
Average Household Income $160,499
Per Capita Income $62,961
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.33% 0.28%
Households 0.44% 0.34%
Families 0.06% 0.24%
Median Household Income   1.97%
Per Capita Income   1.67%
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.

Northbrook, IL - Peer Comparisons by Rank and Percentile

The table below compares Northbrook 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 # 55 96th
Population Density1 # 172 88th
Diversity Index2 # 334 76th
Median Household Income # 35 98th
Per Capita Income # 28 98th

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

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