Rockford, IL 61103 ZIP Code Profile

Related Place Profiles:
Machesney Park, IL | Rockford, IL

ZIP Code 61103: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rockford, IL 61103

Acceptable Alternative
Machesney Park, IL 61103
Machesney Pk, IL 61103

  • ZIP Code Type: STANDARD
  • County: Winnebago County
  • Centroid: Latitude 42.299, Longitude -89.103
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 414
  • PO Box Addresses: 0
  • Residential Addresses: 10,209
    • Multi-Family Addresses: 2,256
    • Single Family Addresses: 7,953

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 61103 2018 Demographic Data
  2. Growth Rates for 61103 (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 61103 Data & Demographics (As of July 1, 2018)


Total Population 23,654
Population in Households 22,835
Population in Familes 16,768
Population in Group Qrtrs 819
Population Density2 1,417
Diversity Index3 61


Median Household Income $37,958
Average Household Income $53,055
Per Capita Income $23,574


Total Housing Units 11,245 (100%)
Owner Occupied HU 4,996 (44.4%)
Renter Occupied HU 5,070 (45.1%)
Vacant Housing Units 1,179 (10.5%)
Median Home Value $92,517
Average Home Value $126,386


Total Households 10,066
Average Household Size 2.27
Family Households 5,498
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 -0.27% -0.29%
Households -0.13% -0.23%
Families -0.38% -0.37%
Median Household Income   1.26%
Per Capita Income   2.22%

Rockford, IL 61103 - Peer Comparisons by Rank and Percentile

The table below compares 61103 to the other 1,378 ZIP Codes 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 # 206 85th
Population Density # 282 80th
Diversity Index # 140 90th
Median Household Income # 1295 6th
Per Capita Income # 1135 18th

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

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