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City Profile

Rock Falls, Illinois

Population: 8,789 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
8,789
People
Median age
37.7
Housing
Total households
3,797
Income
Median household income
$49,600
Housing
Total housing units
4,362
Employment
Employment rate
58.9%
Education
Bachelor’s degree or higher
13.4%
Healthcare
Insured population
92.7%
City details
Local time 02:46:18(CT)
LocationRock Falls, IL
Population (ZIP areas)13,389(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyWhiteside
Area code
779815
TimezoneCentral Time (CT)
Coordinates41.7246945, -89.698885
Land area72.5 sq miles(187,720,470 m²)

Map of Rock Falls, Illinois with ZIP codes

Map of Rock Falls, Illinois and ZIP codes

ZIP Codes in Rock Falls

Explore the ZIP codes that make up Rock Falls. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
61071Standard$60,50813,389

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Rock Falls, IL.

Galt, ILDeer Grove, ILHarmon, ILSterling, ILTampico, ILLyndon, ILDixon, ILWalnut, IL

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS