Rock Falls, IL 61071 ZIP Code Profile

Related Place Profiles:
Rock Falls, IL | Yeoward Addition, IL

ZIP Code 61071: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rock Falls, IL 61071

Not Acceptable, USPS
Yeoward Addition, IL 61071
Yeowardville, IL 61071

  • ZIP Code Type: STANDARD
  • County: Whiteside County
  • Centroid: Latitude 41.758, Longitude -89.691
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 61071 has segments in 2 Counties (Lee, Whiteside).

  • Businesses Addresses: 421
  • PO Box Addresses: 176
  • Residential Addresses: 6,022
    • Multi-Family Addresses: 335
    • Single Family Addresses: 5,687

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

Jump to... (On This Page!)
  1. 61071 2018 Demographic Data
  2. Growth Rates for 61071 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Rock Falls, IL 61071 Data & Demographics (As of July 1, 2018)


Total Population 13,955
Population in Households 13,851
Population in Familes 11,141
Population in Group Qrtrs 104
Population Density2 213
Diversity Index3 35


Median Household Income $44,029
Average Household Income $56,929
Per Capita Income $23,723


Total Housing Units 6,315 (100%)
Owner Occupied HU 4,089 (64.8%)
Renter Occupied HU 1,707 (27.0%)
Vacant Housing Units 519 ( 8.2%)
Median Home Value $93,593
Average Home Value $121,527


Total Households 5,796
Average Household Size 2.39
Family Households 3,804
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population -0.28% -0.38%
Households -0.1% -0.23%
Families -0.28% -0.34%
Median Household Income   2.92%
Per Capita Income   2.8%

Rock Falls, IL 61071 - Peer Comparisons by Rank and Percentile

The table below compares 61071 to the other 1,378 ZIP Codes in Illinois by rank and percentile using July 1, 2018 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 # 308 78th
Population Density # 500 64th
Diversity Index # 360 74th
Median Household Income # 1155 16th
Per Capita Income # 1124 19th

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

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