Belvidere, IL 61008 ZIP Code Profile

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Belvidere, IL

ZIP Code 61008: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Belvidere, IL 61008

  • ZIP Code Type: STANDARD
  • County: Boone County
  • Centroid: Latitude 42.263, Longitude -88.853
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 61008 has segments in 2 Counties (Boone, Winnebago).

  • Businesses Addresses: 923
  • PO Box Addresses: 333
  • Residential Addresses: 12,546
    • Multi-Family Addresses: 527
    • Single Family Addresses: 12,019

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 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.


61008 ZIP Code Map

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Belvidere, IL 61008 Data & Demographics (As of July 1, 2017)


Total Population 33,870
Daytime Population: Workers 14,682
Daytime Population: Residents 18,651
Total Daytime Population (TDP) 33,333
Ratio TDP/Total Population1 0.98
Population in Households 33,614
Population in Familes 28,851
Population in Group Qrtrs 256
Population Density2 391
Diversity Index3 61


Median Household Income $56,079
Average Household Income $76,545
Per Capita Income $26,785


Total Housing Units 12,703 (100%)
Owner Occupied HU 8,531 (67.2%)
Renter Occupied HU 3,198 (25.2%)
Vacant Housing Units 974 ( 7.7%)
Median Home Value $146,803
Average Home Value $187,759


Total Households 11,729
Average Household Size 2.87
Family Households 8,616
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 0.11% 0.2%
Households 0.12% 0.21%
Families -0.02% 0.11%
Median Household Income   1.82%
Per Capita Income   2.62%

Belvidere, IL 61008 - Peer Comparisons by Rank and Percentile

The table below compares 61008 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 # 112 92nd
Population Density # 445 68th
Diversity Index # 129 91st
Median Household Income # 603 56th
Per Capita Income # 757 45th

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

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