Rock Island, Illinois Population 2024

35,564

Rock Island is a city located in Rock Island County Illinois. Rock Island has a 2024 population of 35,564. It is also the county seat of Rock Island County.Rock Island is currently declining at a rate of -0.96% annually and its population has decreased by -3.91% since the most recent census, which recorded a population of 37,013 in 2020.

The average household income in Rock Island is $73,007 with a poverty rate of 22.66%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Rock Island is 35 years, 33.5 years for males, and 36.6 years for females.

Rock Island Demographics

According to the most recent ACS, the racial composition of Rock Island was:

  • White: 68.29%
  • Black or African American: 17.08%
  • Two or more races: 6.28%
  • Asian: 4.42%
  • Other race: 3.17%
  • Native Hawaiian or Pacific Islander: 0.47%
  • Native American: 0.29%
Land Area (mi²)
16.9 sq mi
Density (mi²)
2,107.90/sq mi
Growth Since 2020
-3.91% (-1,449)
The current population of Rock Island, Illinois is 35,564 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 37,013.

Rock Island, Illinois Population 2024

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rock Island Metro Area Population by Year

Population by Race

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Race
Population
Percentage (of total)
White25,44768.29%
Black or African American6,36617.08%
Two or more races2,3406.28%
Asian1,6474.42%
Other race1,1833.17%
Native Hawaiian or Pacific Islander1740.47%
Native American1070.29%
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Rock Island Population by Race

Rock Island Population Pyramid 2024

Rock Island Median Age

35

Total

33.5

Male

36.6

Female

Rock Island Adults

There are 28,983 adults, (6,360 of whom are seniors) in Rock Island.

Rock Island Age Dependency

64.7

Age Dependency Ratio

28.1

Old Age Dependency Ratio

36.6

Child Dependency Ratio

Rock Island Sex Ratio

Female18,80050.45%
Male18,46449.55%

Rock Island Population by Age

Rock Island Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All15,2472.2662.437.6
Non Family7,2731.2549.250.8
Married5,1763.284.315.7
Female2,1363.152.947.1
Male6623.2166.633.4
showing: 5 rows

3.07

Average Family Size

2.26

Average Household Size

62.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Rock Island Households and Families

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Rock Island Educational Attainment by Sex (over 25)

Rock Island Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

The highest rate of high school graduation is among white people with a rate of 94.05%.

The highest rate of bachelors degrees is among asian people with a rate of 36.86%.

Rock Island Educational Attainment by Race

All

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

$41,580

Average Earnings

$46,373

Average Male

$36,522

Average Female

Rock Island Earnings by Educational Attainment

Rock Island Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Rock Island Language

85.49% of Rock Island residents speak only English, while 14.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.76% of the population.

Rock Island Language

Rock Island Poverty by Race

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Name
Total
In Poverty
Poverty Rate
White21,4453,15514.71%
Black6,0842,53041.58%
Hispanic4,6441,13324.4%
Asian1,46273450.21%
Multiple2,08459228.41%
Other1,09217716.21%
Islander1743419.54%
Native1001919%
showing: 8 rows

22.66%

Overall Poverty Rate

22.65%

Male Poverty Rate

22.66%

Female Poverty Rate

Poverty in Rock Island

The race most likely to be in poverty in Rock Island is Asian, with 50.21% below the poverty level.

The race least likely to be in poverty in Rock Island is White, with 14.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.42%. Among those working part-time, it was 27.71%, and for those that did not work, the poverty rate was 29.03%.

Rock Island Poverty

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rate
Poverty
Less Than 9th Grade42.18%
High School20.69%
Some College11.29%
Bachelors or Greater6.56%
showing: 4 rows

Rock Island Poverty Rate by Education

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rate
Poverty
Male Unemployed48.64%
Female Unemployed46.84%
Female Employed11.97%
Male Employed10.83%
showing: 4 rows

Rock Island Poverty Rate by Employment Status and Sex

Rock Island Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

mean

median

Income by Household Type

Rock Island Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

37.0%

Overall Marriage Rate

38.5%

Male Marriage Rate

35.4%

Female Marriage Rate

Rock Island Married by Age and Sex

male

female

Rock Island Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Rock Island Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Rock Island Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,766

Number of Veterans

1,419

Male Veterans

347

Female Veterans

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rock Island Veterans by War

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rock Island Veterans by Age

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rock Island Veterans by Race

Rock Island Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.24%

Veteran Poverty Rate

26.35%

Veteran Disability Rate

Rock Island Veterans by Education

LaborForceParticipation

61.3%

Labor Force Participation

56.8%

Employment Rate

7.3%

Unemployment Rate

Rock Island Employment by Age

LaborForceParticipation

Rock Island Employment by Race

LaborForceParticipation

Rock Island Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

63.5%

Born in Rock Island

90.7%

Native Born

9.3%

Foreign Born

5.22%

Non Citizen

4.08%

Naturalized

Place of Birth

90.7% of Rock Island residents were born in the United States, with 63.5% having been born in Illinois. 5.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Rock Island Place of Birth

Note: data after 2022 is projected based on recent change

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Year
Population
Growth
Growth Rate
202933,834-346-1.01%
202834,180-346-1%
202734,526-346-0.99%
202634,872-346-0.98%
202535,218-346-0.97%
202435,564-346-0.96%
202335,910-346-0.95%
202236,256-346-0.95%
202136,602-411-1.11%
202037,013-139-0.37%
201937,152-257-0.69%
201837,409-403-1.07%
201737,812-356-0.93%
201638,168-377-0.98%
201538,545-245-0.63%
201438,790-111-0.29%
201338,901-35-0.09%
201238,936-44-0.11%
201138,98070.02%
201038,973-711-1.79%
200039,684-868-2.14%
199040,552-6,269-13.39%
198046,821-3,345-6.67%
197050,166-1,697-3.27%
196051,8633,1536.47%
195048,7105,93513.87%
194042,7754,82212.71%
193037,9532,7767.89%
192035,17710,84244.55%
191024,3354,84224.84%
190019,4935,85942.97%
189013,6341,97516.94%
188011,6593,76947.77%
18707,8902,76053.8%
18605,130
showing: 35 rows

Rock Island Population by Year