Springfield, IL Profile: Facts, Map & Data


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Springfield, Illinois - Basic Facts

The City of Springfield is the 7th largest city in Illinois with a population of 116,271 as of July 1, 2016. Springfield 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 Springfield is located at latitude 39.7911 and longitude -89.6446 in Sangamon County. The formal boundaries for the City of Springfield (see map below) encompass a land area of 59.63 sq. miles and a water area of 6.28 sq. miles. Sangamon County is in the Central time zone (GMT -6). The elevation is 600 feet.

The City of Springfield (GNIS ID: 2395940) 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 Springfield is located within Township of Capital, a minor civil division (MCD) of Sangamon County.

Beneath the boundary map are tables with Springfield 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

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 Springfield, IL Boundary Map

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Boundary Maps: Township of Capital | Sangamon County | Illinois Counties

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


Total Population 116,271
Population in Households 112,863
Population in Familes 82,355
Population in Group Qrtrs 3,408
Population Density1 1,950
Diversity Index2 44


Total Households 50,768
Average Household Size 2.22
Family Households 28,036
Average Family Size 3


Total Housing Units 56,367 (100%)
Owner Occupied HU 30,945 (54.9%)
Renter Occupied HU 19,823 (35.2%)
Vacant Housing Units 5,599 ( 9.9%)
Median Home Value $114,283
Average Home Value $146,552


Median Household Income $47,438
Average Household Income $66,887
Per Capita Income $30,008
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.06% 0.07%
Households 0.06% 0.08%
Families -0.19% -0.08%
Median Household Income   -0.54%
Per Capita Income   1.17%
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.

Springfield, IL - Peer Comparisons by Rank and Percentile

The table below compares Springfield 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 # 7 100th
Population Density1 # 294 79th
Diversity Index2 # 219 84th
Median Household Income # 869 37th
Per Capita Income # 365 73rd

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

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