Rockford, IL Profile: Facts & Data


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Rockford, Illinois - Basic Facts

The City of Rockford is the 4th largest city in Illinois with a population of 149,198 as of July 1, 2018. 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 42.2711 and longitude -89.094 in Winnebago County. The formal boundaries for the City of Rockford 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.

Alternate Unofficial Names for Rockford: The Forest City.

Jump to... (On This Page!)
  1. Rockford 2018 Demographic Data
  2. Growth Rates for Rockford (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Rockford, IL Data & Demographics (As of July 1, 2018)


Total Population 149,198
Population in Households 145,232
Population in Familes 113,022
Population in Group Qrtrs 3,966
Population Density2 2,355
Diversity Index3 70


Median Household Income $40,663
Average Household Income $59,886
Per Capita Income $24,538


Total Housing Units 66,596 (100%)
Owner Occupied HU 31,590 (47.4%)
Renter Occupied HU 27,454 (41.2%)
Vacant Housing Units 7,552 (11.3%)
Median Home Value $108,079
Average Home Value $129,982


Total Households 59,044
Average Household Size 2.46
Family Households 35,883
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2018 2018-2023
Population -0.29% -0.44%
Households -0.17% -0.37%
Families -0.38% -0.53%
Median Household Income   1.08%
Per Capita Income   2.11%

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, 2018 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 # 4 100th
Population Density # 194 86th
Diversity Index # 60 96th
Median Household Income # 1186 13th
Per Capita Income # 985 28th

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

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Illinois Census Data Comparison Tool

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