Aurora, IL Profile: Facts, Map & Data


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Aurora, Illinois - Basic Facts

The City of Aurora is the 2nd largest city in Illinois with a population of 199,947 as of July 1, 2015. Aurora 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 Aurora is located at latitude 41.7635 and longitude -88.2901 in Kane County. The formal boundaries for the City of Aurora (see map below) encompass a land area of 44.88 sq. miles and a water area of 0.89 sq. miles. Kane County is in the Central time zone (GMT -6). The elevation is 679 feet.

While the primary coordinates for City of Aurora are located in Kane County, it should be noted that the formal boundaries for this community also extend into DuPage County, Will County, and Kendall County.

The City of Aurora (GNIS ID: 2394031) 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 Aurora is located within Township of Aurora, a minor civil division (MCD) of Kane County.

Beneath the boundary map are tables with Aurora population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Aurora, IL Boundary Map

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Boundary Maps: Township of Aurora | Kane County | Illinois Counties

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Aurora, IL Data & Demographics (As of July 1, 2015)


Total Population 199,947
Population in Households 197,764
Population in Familes 169,775
Population in Group Qrtrs 2,183
Population Density1 4,450
Diversity Index2 82


Total Households 62,944
Average Household Size 3.14
Family Households 46,280
Average Family Size 4


Total Housing Units 68,133 (100%)
Owner Occupied HU 42,403 (62.2%)
Renter Occupied HU 20,541 (30.1%)
Vacant Housing Units 5,189 ( 7.6%)
Median Home Value $191,474
Average Home Value $225,255


Median Household Income $62,578
Average Household Income $84,550
Per Capita Income $26,812
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.2% 0.26%
Households 0.12% 0.27%
Families -0.05% 0.15%
Median Household Income   3.21%
Per Capita Income   2.45%
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.


Aurora, IL - Peer Comparisons by Rank and Percentile

The table below compares Aurora to the other 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2015 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 # 2 100th
Population Density1 # 60 96th
Diversity Index2 # 14 99th
Median Household Income # 366 73rd
Per Capita Income # 524 62nd

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