Rockford, IL 61109 ZIP Code Profile

Related Place Profiles:
Morristown, IL | New Milford, IL | Rockford, IL

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ZIP Code 61109: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rockford, IL 61109

Not Acceptable, USPS
Morristown, IL 61109
New Milford, IL 61109

  • ZIP Code Type: STANDARD
  • County: Winnebago County
  • Centroid: Latitude 42.195, Longitude -89.063
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 61109 has segments in 2 Counties (Ogle, Winnebago).

  • Businesses Addresses: 805
  • PO Box Addresses: 0
  • Residential Addresses: 11,340
    • Multi-Family Addresses: 2,063
    • Single Family Addresses: 9,277

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

EXTREMELY LOCAL Demographic 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 demographic data.


61109 ZIP Code Map

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Rockford, IL 61109 Data & Demographics (As of July 1, 2017)


Total Population 28,385
Daytime Population: Workers 16,683
Daytime Population: Residents 15,078
Total Daytime Population (TDP) 31,761
Ratio TDP/Total Population1 1.12
Population in Households 28,284
Population in Familes 22,624
Population in Group Qrtrs 101
Population Density2 774
Diversity Index3 65


Median Household Income $43,573
Average Household Income $56,175
Per Capita Income $22,203


Total Housing Units 12,238 (100%)
Owner Occupied HU 6,918 (56.5%)
Renter Occupied HU 4,235 (34.6%)
Vacant Housing Units 1,085 ( 8.9%)
Median Home Value $112,603
Average Home Value $120,653


Total Households 11,153
Average Household Size 2.54
Family Households 7,280
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.04% -0.14%
Households 0.09% -0.1%
Families -0.12% -0.22%
Median Household Income   0.26%
Per Capita Income   1.97%

Rockford, IL 61109 - Peer Comparisons by Rank and Percentile

The table below compares 61109 to the other 1,377 ZIP Codes in Illinois by rank and percentile using July 1, 2017 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 # 162 88th
Population Density # 367 73rd
Diversity Index # 102 93rd
Median Household Income # 1133 18th
Per Capita Income # 1187 14th

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

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