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, 2017)


Total Population 21,414
Daytime Population: Workers 12,869
Daytime Population: Residents 11,071
Total Daytime Population (TDP) 23,940
Ratio TDP/Total Population1 1.12
Population in Households 20,977
Population in Familes 16,677
Population in Group Qrtrs 437
Population Density2 178
Diversity Index3 53


Median Household Income $49,682
Average Household Income $65,776
Per Capita Income $26,923


Total Housing Units 9,554 (100%)
Owner Occupied HU 5,791 (60.6%)
Renter Occupied HU 2,904 (30.4%)
Vacant Housing Units 859 ( 9.0%)
Median Home Value $102,647
Average Home Value $137,463


Total Households 8,695
Average Household Size 2.41
Family Households 5,622
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 -0.38% -0.44%
Households -0.27% -0.36%
Families -0.45% -0.49%
Median Household Income   1.03%
Per Capita Income   2.67%

Sterling, IL 61081 - Peer Comparisons by Rank and Percentile

The table below compares 61081 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 # 232 83rd
Population Density # 519 62nd
Diversity Index # 198 86th
Median Household Income # 925 33rd
Per Capita Income # 746 46th

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

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