Rock Falls, IL Profile: Facts & Data

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Rock Falls, Illinois - Basic Facts

The City of Rock Falls had a population of 9,161 as of July 1, 2018. Rock Falls ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Rock Falls is located at latitude 41.7798 and longitude -89.689 in Whiteside County. The formal boundaries for the City of Rock Falls encompass a land area of 3.72 sq. miles and a water area of 0.14 sq. miles. Whiteside County is in the Central time zone (GMT -6). The elevation is 646 feet.

The City of Rock Falls (GNIS ID: 2396397) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Rock Falls is located within Township of Coloma, a minor civil division (MCD) of Whiteside County.

Alternate Unofficial Names for Rock Falls: Rockfalls.

Jump to... (On This Page!)
  1. Rock Falls 2018 Demographic Data
  2. Growth Rates for Rock Falls (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.


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

POPULATION

Total Population 9,161
Population in Households 9,102
Population in Familes 7,052
Population in Group Qrtrs 59
Population Density2 2,464
Diversity Index3 40
 

INCOME

Median Household Income $37,824
Average Household Income $49,402
Per Capita Income $21,062

HOUSING

Total Housing Units 4,201 (100%)
Owner Occupied HU 2,428 (57.8%)
Renter Occupied HU 1,410 (33.6%)
Vacant Housing Units 363 ( 8.6%)
Median Home Value $82,600
Average Home Value $101,329
 

HOUSEHOLDS

Total Households 3,838
Average Household Size 2.37
Family Households 2,354
Average Family Size 3
NOTES
  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.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population -0.31% -0.4%
Households -0.13% -0.24%
Families -0.38% -0.39%
Median Household Income   2.35%
Per Capita Income   2.89%

Rock Falls, IL - Peer Comparisons by Rank and Percentile

The table below compares Rock Falls to the other 1,368 incorporated cities, towns and CDPs 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 # 236 83rd
Population Density # 183 87th
Diversity Index # 259 81st
Median Household Income # 1269 7th
Per Capita Income # 1245 9th

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

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