Rock Island, IL
Demographics And Statistics

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

Living In Rock Island, Illinois Summary

Life in Rock Island research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Rock Island 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 Island:

  • The population in Rock Island is 36,758.

  • The median home value in Rock Island is $127,996.

  • The median income in Rock Island is $57,292.

  • The cost of living in Rock Island is 88 which is 0.9x lower than the national average.

  • The median rent in Rock Island is $819.

  • The unemployment rate in Rock Island is 6.5%.

  • The poverty rate in Rock Island is 20.9%.

  • The average high in Rock Island is 59.8° and the average low is 40.8°.

Rock Island SnackAbility

6
Overall SnackAbility
Jobs
5/10
Housing
5
Affordability
8.5
Diversity
9
Safety
6
Amenities
9
Education
6
Commute
9

Rock Island, IL Crime Report

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

  • There were 1,168 total crimes in Rock Island in the last reporting year.

  • The overall crime rate per 100,000 people in Rock Island is 3,258.8 / 100k people.

  • The violent crime rate per 100,000 people in Rock Island is 544.1 / 100k people.

  • The property crime rate per 100,000 people in Rock Island is 2,714.8 / 100k people.

  • Overall, crime in Rock Island is 53.77% above the national average.

1,168
Total Crimes
53.77%
Above National Average

Crime In Rock Island Comparison Table

Statistic Count
Raw
Rock Island
/ 100k People
Illinois
/ 100k People
National
/ 100k People
Total Crimes Per 100K 1,168 3,258.8 2,004.4 2,119.2
Violent Crime 195 544.1 289.2 359.0
Murder 2 5.6 5.8 5.0
Robbery 5 14.0 90.2 61.0
Aggravated Assault 184 513.4 146.3 256.0
Property Crime 973 2,714.8 1,715.2 1,760.0
Burglary 330 920.7 290.5 229.0
Larceny 414 1,155.1 1,134.4 1,272.0
Car Theft 229 638.9 290.4 259.0

Rock Island, IL Cost Of Living

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

  • The cost of living in Rock Island is 88 with 100 being average.

  • The cost of living in Rock Island is 0.9x lower than the national average.

  • The median home value in Rock Island is $127,996.

  • The median income in Rock Island is $57,292.

88
Rock Island's Overall Cost Of Living
0.9x
Lower Than The National Average

Cost Of Living In Rock Island Comparison Table

Living Expense Rock Island Illinois National Average
Overall 88 97 100
Services 102 95 100
Groceries 97 99 100
Health 94 93 100
Housing 63 95 100
Transportation 103 102 100
Utilities 88 91 100

Rock Island, IL Weather

  • The average high in Rock Island is 59.8° and the average low is 40.8°.

  • There are 68.9 days of precipitation each year.

  • Expect an average of 36.2 inches of precipitation each year with 30.4 inches of snow.

StatRock Island
Average Annual High59.8
Average Annual Low40.8
Annual Precipitation Days68.9
Average Annual Precipitation36.2
Average Annual Snowfall30.4
59.8°
Average High
68.9
Days of Rain

Rock Island, IL Photos

Rock Island Il Barber P Cropped
Source: Public Domain
Harper House Rock Island Il Postcard No
Source: Public Domain
Qcht
Source: Public Domain
Longview Park
Source: Public Domain

Rankings for Rock Island in Illinois

Locations Around Rock Island

Map Of Rock Island, IL

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4

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Rock Island Demographics And Statistics

Population over time in Rock Island

The current population in Rock Island is 36,758. The population has decreased -5.3% from 2010.

Year Population % Change
2023 36,758 -1.4%
2022 37,264 -0.7%
2021 37,519 -0.4%
2020 37,651 -1.2%
2019 38,111 -0.6%
2018 38,354 -0.5%
2017 38,560 -0.2%
2016 38,647 -0.8%
2015 38,946 0.1%
2014 38,888 -0.2%
2013 38,968 0.4%
2012 38,808 -0.5%
2011 39,018 0.5%
2010 38,817 -

Race / Ethnicity in Rock Island

White
63.7% (23,401)
African American
15.2% (5,596)
American Indian
0.1% (53)
Asian
3.4% (1,247)
Hawaiian
0.0% (0)
Other
0.2% (64)
Two Or More
3.9% (1,448)
Hispanic
13.5% (4,949)

Rock Island is:

  • 63.7% White with 23,401 White residents.

  • 15.2% African American with 5,596 African American residents.

  • 0.1% American Indian with 53 American Indian residents.

  • 3.4% Asian with 1,247 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.2% Other with 64 Other residents.

  • 3.9% Two Or More with 1,448 Two Or More residents.

  • 13.5% Hispanic with 4,949 Hispanic residents.

Race Rock Island IL USA
White 63.7% 58.7% 58.2%
African American 15.2% 13.6% 12.0%
American Indian 0.1% 0.1% 0.5%
Asian 3.4% 5.8% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.2% 0.3% 0.5%
Two Or More 3.9% 3.0% 3.9%
Hispanic 13.5% 18.5% 19.0%

Gender in Rock Island

Female
50.4% (18,533)
Male
49.6% (18,224)
  • Rock Island is 50.4% female with 18,533 female residents.

  • Rock Island is 49.6% male with 18,224 male residents.

Gender Rock Island IL USA
Female 50.4% 50.6% 50.5%
Male 49.6% 49.4% 49.5%

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

  • 4.0% of adults in Rock Island completed < 9th grade.

  • 6.0% of adults in Rock Island completed 9-12th grade.

  • 31.0% of adults in Rock Island completed high school / ged.

  • 27.0% of adults in Rock Island completed some college.

  • 10.0% of adults in Rock Island completed associate's degree.

  • 13.0% of adults in Rock Island completed bachelor's degree.

  • 7.0% of adults in Rock Island completed master's degree.

  • 1.0% of adults in Rock Island completed professional degree.

  • 1.0% of adults in Rock Island completed doctorate degree.

< 9th Grade
4.0% (1,470)
9-12th Grade
6.0% (2,205)
High School / GED
31.0% (11,394)
Some College
27.0% (9,924)
Associate's Degree
10.0% (3,675)
Bachelor's Degree
13.0% (4,778)
Master's Degree
7.0% (2,573)
Professional Degree
1.0% (367)
Doctorate Degree
1.0% (367)
Education Rock Island IL USA
< 9th Grade 4.0% 5.0% 5.0%
9-12th Grade 6.0% 5.0% 6.0%
High School / GED 31.0% 25.0% 26.0%
Some College 27.0% 20.0% 19.0%
Associate's Degree 10.0% 8.0% 9.0%
Bachelor's Degree 13.0% 22.0% 21.0%
Master's Degree 7.0% 11.0% 10.0%
Professional Degree 1.0% 2.0% 2.0%
Doctorate Degree 1.0% 2.0% 2.0%

Household Income For Rock Island, Illinois

  • 8.7% of households in Rock Island earn Less than $10,000.

  • 6.6% of households in Rock Island earn $10,000 to $14,999.

  • 8.7% of households in Rock Island earn $15,000 to $24,999.

  • 8.0% of households in Rock Island earn $25,000 to $34,999.

  • 13.6% of households in Rock Island earn $35,000 to $49,999.

  • 15.2% of households in Rock Island earn $50,000 to $74,999.

  • 16.0% of households in Rock Island earn $75,000 to $99,999.

  • 13.2% of households in Rock Island earn $100,000 to $149,999.

  • 6.8% of households in Rock Island earn $150,000 to $199,999.

  • 3.2% of households in Rock Island earn $200,000 or more.

Less than $10,000
8.7% (319,074)
$10,000 to $14,999
6.6% (243,115)
$15,000 to $24,999
8.7% (320,480)
$25,000 to $34,999
8.0% (292,816)
$35,000 to $49,999
13.6% (498,421)
$50,000 to $74,999
15.2% (557,266)
$75,000 to $99,999
16.0% (589,619)
$100,000 to $149,999
13.2% (485,527)
$150,000 to $199,999
6.8% (251,555)
$200,000 or more
3.2% (117,923)
Income Rock Island IL USA
Less than $10,000 8.7% 5.2% 4.9%
$10,000 to $14,999 6.6% 3.4% 3.6%
$15,000 to $24,999 8.7% 6.2% 6.6%
$25,000 to $34,999 8.0% 6.5% 6.8%
$35,000 to $49,999 13.6% 9.9% 10.4%
$50,000 to $74,999 15.2% 15.1% 15.7%
$75,000 to $99,999 16.0% 12.7% 12.7%
$100,000 to $149,999 13.2% 17.9% 17.4%
$150,000 to $199,999 6.8% 9.9% 9.3%
$200,000 or more 3.2% 13.1% 12.6%

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