Sterling, IL 61081 ZIP Code Profile

Related Place Profiles:
Coleta, IL | Sterling, IL

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ZIP Code 61081: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sterling, IL 61081

Acceptable Alternative
Coleta, IL 61081

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 723
  • Single Family Addresses: 8,239
  • Multi-Family Addresses: 838
  • County: Whiteside County
  • Centroid: Latitude 41.819, Longitude -89.719
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 61081 has segments in 2 Counties (Lee, Whiteside).

Neighborhood Data

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61081 ZIP Code Map

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Sterling, IL 61081 Data & Demographics (As of July 1, 2016)


Total Population 21,534
Population in Households 21,099
Population in Familes 16,789
Population in Group Qrtrs 435
Population Density1 175
Diversity Index2 53


Total Households 8,741
Average Household Size 2.41
Family Households 5,669
Average Family Size 3


Total Housing Units 9,659 (100%)
Owner Occupied HU 5,871 (60.8%)
Renter Occupied HU 2,870 (29.7%)
Vacant Housing Units 918 ( 9.5%)
Median Home Value $101,500
Average Home Value $138,260


Median Household Income $49,131
Average Household Income $64,000
Per Capita Income $26,192
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.43% -0.5%
Households -0.3% -0.42%
Families -0.48% -0.54%
Median Household Income   1.09%
Per Capita Income   1.44%
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.

Sterling, IL 61081 - Peer Comparisons by Rank and Percentile

The table below compares 61081 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 # 230 83rd
Population Density1 # 522 62nd
Diversity Index2 # 201 85th
Median Household Income # 884 36th
Per Capita Income # 723 48th

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