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 150,099 as of July 1, 2020. 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.


Rockford, IL Data & Demographics (As of July 1, 2020)


Total Population 150,099 (100%)
Population in Households 146,106 (97.3%)
Population in Families 112,709 (75.1%)
Population in Group Quarters1 3,993 ( 2.7%)
Population Density 2,332
Diversity Index2 71


Median Household Income $43,208
Average Household Income $62,903
% of Income for Mortgage4 9%
Per Capita Income $25,103
Wealth Index5 65


Total HU (Housing Units) 66,268 (100%)
Owner Occupied HU 33,492 (50.5%)
Renter Occupied HU 25,989 (39.2%)
Vacant Housing Units 6,787 (10.2%)
Median Home Value $95,695
Average Home Value $126,609
Housing Affordability Index3 190


Total Households 59,481
Average Household Size 2.46
Family Households 35,985
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.2% -0.7%
Households -0.1% -0.64%
Families -0.3% -0.82%
Median Household Income   0.97%
Per Capita Income   1.53%
Owner Occupied HU   -0.5%


Rockford, IL - Peer Comparisons by Rank and Percentile

The table below compares Rockford to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 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
Median Household Income # 1195 13th
Housing Affordability Index # 413 30th
Per Capita Income # 1041 24th
Diversity Index # 58 96th

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

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