Rockford, IL Profile: Facts, Map & Data


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Rockford, Illinois - Basic Facts

The City of Rockford is the 3rd largest city in Illinois with a population of 150,848 as of July 1, 2016. Rockford 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 Rockford is located at latitude 42.2588 and longitude -89.0646 in Winnebago County. The formal boundaries for the City of Rockford (see map below) encompass a land area of 63.35 sq. miles and a water area of 1.01 sq. miles. Winnebago County is in the Central time zone (GMT -6). The elevation is 718 feet.

The City of Rockford (GNIS ID: 2396405) 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 Rockford is located within Township of Rockford, a minor civil division (MCD) of Winnebago County.

Beneath the boundary map are tables with Rockford 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 Rockford: The Forest City.

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 Rockford, IL Boundary Map

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Boundary Maps: Township of Rockford | Winnebago County | Illinois Counties

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


Total Population 150,848
Population in Households 146,907
Population in Familes 113,938
Population in Group Qrtrs 3,941
Population Density1 2,381
Diversity Index2 69


Total Households 59,311
Average Household Size 2.48
Family Households 36,241
Average Family Size 3


Total Housing Units 67,079 (100%)
Owner Occupied HU 33,377 (49.8%)
Renter Occupied HU 25,934 (38.7%)
Vacant Housing Units 7,768 (11.6%)
Median Home Value $100,980
Average Home Value $123,031


Median Household Income $38,844
Average Household Income $55,564
Per Capita Income $22,656
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.21% -0.23%
Households -0.16% -0.18%
Families -0.34% -0.33%
Median Household Income   -1.57%
Per Capita Income   0.96%
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.

Rockford, IL - Peer Comparisons by Rank and Percentile

The table below compares Rockford 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 # 3 100th
Population Density1 # 200 85th
Diversity Index2 # 61 96th
Median Household Income # 1171 14th
Per Capita Income # 994 27th

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

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