Rockford, IL 61103 ZIP Code Profile

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

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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
  • Businesses Addresses: 435
  • Single Family Addresses: 7,960
  • Multi-Family Addresses: 2,273
  • County: Winnebago County
  • Centroid: Latitude 42.299, Longitude -89.103
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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61103 ZIP Code Map

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Rockford, IL 61103 Data & Demographics (As of July 1, 2016)


Total Population 23,938
Population in Households 23,127
Population in Familes 16,874
Population in Group Qrtrs 811
Population Density1 1,670
Diversity Index2 59


Total Households 10,154
Average Household Size 2.28
Family Households 5,554
Average Family Size 3


Total Housing Units 11,380 (100%)
Owner Occupied HU 5,225 (45.9%)
Renter Occupied HU 4,929 (43.3%)
Vacant Housing Units 1,226 (10.8%)
Median Home Value $89,039
Average Home Value $118,574


Median Household Income $36,501
Average Household Income $49,785
Per Capita Income $22,080
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.22% -0.21%
Households -0.11% -0.15%
Families -0.4% -0.33%
Median Household Income   -2.07%
Per Capita Income   0.57%
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 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, 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 # 202 85th
Population Density1 # 268 81st
Diversity Index2 # 139 90th
Median Household Income # 1288 7th
Per Capita Income # 1130 18th

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

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