Rock Falls, IL
Demographics And Statistics

Demographics | Crime | Cost Of Living
Updated: 2025-10-25

Living In Rock Falls, Illinois Summary

Life in Rock Falls research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Rock Falls over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Rock Falls:

  • The population in Rock Falls is 8,683.

  • The median home value in Rock Falls is $116,233.

  • The median income in Rock Falls is $48,733.

  • The cost of living in Rock Falls is 78 which is 0.8x lower than the national average.

  • The median rent in Rock Falls is $745.

  • The unemployment rate in Rock Falls is 5.5%.

  • The poverty rate in Rock Falls is 22.7%.

  • The average high in Rock Falls is 59.5° and the average low is 39.1°.

Rock Falls SnackAbility

6
Overall SnackAbility
Jobs
6/10
Housing
4
Affordability
8.5
Diversity
8
Safety
7
Amenities
8.5
Education
5
Commute
8.5

Rock Falls, IL Crime Report

Crime in Rock Falls summary. We use data from the FBI to determine the crime rates in Rock Falls. Key points include:

  • There were 305 total crimes in Rock Falls in the last reporting year.

  • The overall crime rate per 100,000 people in Rock Falls is 3,569.3 / 100k people.

  • The violent crime rate per 100,000 people in Rock Falls is 596.8 / 100k people.

  • The property crime rate per 100,000 people in Rock Falls is 2,972.5 / 100k people.

  • Overall, crime in Rock Falls is 68.43% above the national average.

305
Total Crimes
68.43%
Above National Average

Crime In Rock Falls Comparison Table

Statistic Count
Raw
Rock Falls
/ 100k People
Illinois
/ 100k People
National
/ 100k People
Total Crimes Per 100K 305 3,569.3 2,004.4 2,119.2
Violent Crime 51 596.8 289.2 359.0
Murder 1 11.7 5.8 5.0
Robbery 5 58.5 90.2 61.0
Aggravated Assault 32 374.5 146.3 256.0
Property Crime 254 2,972.5 1,715.2 1,760.0
Burglary 46 538.3 290.5 229.0
Larceny 188 2,200.1 1,134.4 1,272.0
Car Theft 20 234.1 290.4 259.0

Rock Falls, IL Cost Of Living

Cost of living in Rock Falls summary. We use data on the cost of living to determine how expensive it is to live in Rock Falls. Real estate prices drive most of the variance in cost of living around Illinois. Key points include:

  • The cost of living in Rock Falls is 78 with 100 being average.

  • The cost of living in Rock Falls is 0.8x lower than the national average.

  • The median home value in Rock Falls is $116,233.

  • The median income in Rock Falls is $48,733.

78
Rock Falls's Overall Cost Of Living
0.8x
Lower Than The National Average

Cost Of Living In Rock Falls Comparison Table

Living Expense Rock Falls Illinois National Average
Overall 78 97 100
Services 89 95 100
Groceries 97 99 100
Health 102 93 100
Housing 48 95 100
Transportation 109 102 100
Utilities 88 91 100

Rock Falls, IL Weather

  • The average high in Rock Falls is 59.5° and the average low is 39.1°.

  • There are 67.3 days of precipitation each year.

  • Expect an average of 36.5 inches of precipitation each year with 29.7 inches of snow.

StatRock Falls
Average Annual High59.5
Average Annual Low39.1
Annual Precipitation Days67.3
Average Annual Precipitation36.5
Average Annual Snowfall29.7
59.5°
Average High
67.3
Days of Rain

Rock Falls, IL Photos

Sterlingillinois
Source: Wikipedia User KWayne1 | CC BY-SA 4.0

Rankings for Rock Falls in Illinois

Locations Around Rock Falls

Map Of Rock Falls, IL

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Rock Falls Demographics And Statistics

Population over time in Rock Falls

The current population in Rock Falls is 8,683. The population has decreased -6.0% from 2010.

Year Population % Change
2023 8,683 -2.5%
2022 8,904 1.1%
2021 8,807 -1.2%
2020 8,914 -0.4%
2019 8,952 0.5%
2018 8,911 0.1%
2017 8,898 -2.3%
2016 9,104 -0.8%
2015 9,178 0.7%
2014 9,111 -1.4%
2013 9,237 1.8%
2012 9,075 -1.8%
2011 9,237 0.0%
2010 9,237 -

Race / Ethnicity in Rock Falls

White
74.9% (6,504)
African American
0.4% (37)
American Indian
0.3% (23)
Asian
0.0% (2)
Hawaiian
0.0% (0)
Other
0.0% (0)
Two Or More
2.4% (209)
Hispanic
22.0% (1,908)

Rock Falls is:

  • 74.9% White with 6,504 White residents.

  • 0.4% African American with 37 African American residents.

  • 0.3% American Indian with 23 American Indian residents.

  • 0.0% Asian with 2 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.0% Other with 0 Other residents.

  • 2.4% Two Or More with 209 Two Or More residents.

  • 22.0% Hispanic with 1,908 Hispanic residents.

Race Rock Falls IL USA
White 74.9% 58.7% 58.2%
African American 0.4% 13.6% 12.0%
American Indian 0.3% 0.1% 0.5%
Asian 0.0% 5.8% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.0% 0.3% 0.5%
Two Or More 2.4% 3.0% 3.9%
Hispanic 22.0% 18.5% 19.0%

Gender in Rock Falls

Female
51.8% (4,498)
Male
48.2% (4,185)
  • Rock Falls is 51.8% female with 4,498 female residents.

  • Rock Falls is 48.2% male with 4,185 male residents.

Gender Rock Falls IL USA
Female 51.8% 50.6% 50.5%
Male 48.2% 49.4% 49.5%

Highest level of educational attainment in Rock Falls for adults over 25

  • 3.0% of adults in Rock Falls completed < 9th grade.

  • 9.0% of adults in Rock Falls completed 9-12th grade.

  • 35.0% of adults in Rock Falls completed high school / ged.

  • 25.0% of adults in Rock Falls completed some college.

  • 13.0% of adults in Rock Falls completed associate's degree.

  • 11.0% of adults in Rock Falls completed bachelor's degree.

  • 4.0% of adults in Rock Falls completed master's degree.

  • 0.0% of adults in Rock Falls completed professional degree.

  • 0.0% of adults in Rock Falls completed doctorate degree.

< 9th Grade
3.0% (260)
9-12th Grade
9.0% (781)
High School / GED
35.0% (3,039)
Some College
25.0% (2,170)
Associate's Degree
13.0% (1,128)
Bachelor's Degree
11.0% (955)
Master's Degree
4.0% (347)
Professional Degree
0.0% (0)
Doctorate Degree
0.0% (0)
Education Rock Falls IL USA
< 9th Grade 3.0% 5.0% 5.0%
9-12th Grade 9.0% 5.0% 6.0%
High School / GED 35.0% 25.0% 26.0%
Some College 25.0% 20.0% 19.0%
Associate's Degree 13.0% 8.0% 9.0%
Bachelor's Degree 11.0% 22.0% 21.0%
Master's Degree 4.0% 11.0% 10.0%
Professional Degree 0.0% 2.0% 2.0%
Doctorate Degree 0.0% 2.0% 2.0%

Household Income For Rock Falls, Illinois

  • 6.0% of households in Rock Falls earn Less than $10,000.

  • 4.6% of households in Rock Falls earn $10,000 to $14,999.

  • 14.2% of households in Rock Falls earn $15,000 to $24,999.

  • 11.7% of households in Rock Falls earn $25,000 to $34,999.

  • 17.2% of households in Rock Falls earn $35,000 to $49,999.

  • 15.6% of households in Rock Falls earn $50,000 to $74,999.

  • 12.4% of households in Rock Falls earn $75,000 to $99,999.

  • 11.6% of households in Rock Falls earn $100,000 to $149,999.

  • 4.8% of households in Rock Falls earn $150,000 to $199,999.

  • 1.9% of households in Rock Falls earn $200,000 or more.

Less than $10,000
6.0% (51,924)
$10,000 to $14,999
4.6% (40,164)
$15,000 to $24,999
14.2% (123,599)
$25,000 to $34,999
11.7% (101,187)
$35,000 to $49,999
17.2% (149,561)
$50,000 to $74,999
15.6% (135,137)
$75,000 to $99,999
12.4% (108,065)
$100,000 to $149,999
11.6% (100,299)
$150,000 to $199,999
4.8% (41,939)
$200,000 or more
1.9% (16,420)
Income Rock Falls IL USA
Less than $10,000 6.0% 5.2% 4.9%
$10,000 to $14,999 4.6% 3.4% 3.6%
$15,000 to $24,999 14.2% 6.2% 6.6%
$25,000 to $34,999 11.7% 6.5% 6.8%
$35,000 to $49,999 17.2% 9.9% 10.4%
$50,000 to $74,999 15.6% 15.1% 15.7%
$75,000 to $99,999 12.4% 12.7% 12.7%
$100,000 to $149,999 11.6% 17.9% 17.4%
$150,000 to $199,999 4.8% 9.9% 9.3%
$200,000 or more 1.9% 13.1% 12.6%

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