Rock Island County, IL

County

Add Comparison

2023 Population

142,995

0.573% 1-year decline

US Senator

Dick Durbin

Democratic Party

US Senator

Tammy Duckworth

Democratic Party

2023 Median Age

40.3

0.249% 1-year increase

2023 Poverty Rate

15.4%

1.61% 1-year increase

2023 Median Household Income

$66,768

3.62% 1-year growth

2023 Median Property Value

$144,700

3.51% 1-year growth

2023 Employed Population

66,223

1% 1-year decline

About

In the year of 2023, Rock Island County, IL had a population of 143k people with a median age of 40.3 and a median household income of $66,768. Between 2022 and 2023 the population of Rock Island County, IL declined from 143,819 to 142,995, a −0.573% decrease and its median household income grew from $64,435 to $66,768, a 3.62% increase.

The 5 largest ethnic groups in Rock Island County, IL are White (Non-Hispanic) (68.5%), Black or African American (Non-Hispanic) (10.4%), White (Hispanic) (4.54%), Other (Hispanic) (4.29%), and Two Races Excluding Other, & Three or More Races (Non-Hispanic) (3.5%).

None of the households in Rock Island County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

95.4% of the residents in Rock Island County, IL are U.S. citizens.

In 2023, the median property value in Rock Island County, IL was $144,700, and the homeownership rate was 68.6%.

Most people in Rock Island County, IL drove alone to work, and the average commute time was 20.2 minutes. The average car ownership in Rock Island County, IL was 2 cars per household.

Rock Island County, IL borders Henry County, IL, Mercer County, IL, Whiteside County, IL, Clinton County, IA, Louisa County, IA, Muscatine County, IA, and Scott County, IA.

United States Illinois Davenport-Moline-Rock Island, IA-IL

Population & Diversity

Rock Island County, IL is home to a population of 143k people, from which 95.4% are citizens. As of 2023, 7.35% of Rock Island County, IL residents were born outside of the country (10.5k people).

In 2023, there were 6.58 times more White (Non-Hispanic) residents (97.9k people) in Rock Island County, IL than any other race or ethnicity. There were 14.9k Black or African American (Non-Hispanic) and 6.5k White (Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

95.4%

2023 Citizenship

95.5%

2022 Citizenship

As of 2023, 95.4% of Rock Island County, IL residents were US citizens, which is higher than the national average of 93.4%. In 2022, the percentage of US citizens in Rock Island County, IL was 95.5%, meaning that the rate of citizenship has been decreasing.

The following chart shows US citizenship percentages in Rock Island County, IL compared to that of it's neighboring and parent geographies.

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Rock Island County, IL

White (Non-Hispanic)
97.9k ± 383
Black or African American (Non-Hispanic)
14.9k ± 741
White (Hispanic)
6.5k ± 681

14%

Hispanic Population

20k people

14% of the people in Rock Island County, IL are hispanic (20k people).

The following chart shows the 8 races represented in Rock Island County, IL as a share of the total population.

Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for Illinois.

Most Common Origin

Mexico
633,244 ± 19,044 people
India
161,770 ± 9,812 people
Poland
119,556 ± 8,449 people

In 2023, the most common birthplace for the foreign-born residents of Illinois was Mexico, the natal country of 633,244 Illinois residents, followed by India with 161,770 and Poland with 119,556.

Foreign-Born Population

7.35%

2023 Foreign-Born Population

10.5k people

7.4%

2022 Foreign-Born Population

10.6k people

As of 2023, 7.35% of Rock Island County, IL residents (10.5k people) were born outside of the United States, which is approximately the same as the national average of 13.8%. In 2022, the percentage of foreign-born citizens in Rock Island County, IL was 7.4%, meaning that the rate has been decreasing.

The following chart shows the percentage of foreign-born residents in Rock Island County, IL compared to that of it's neighboring and parent geographies.

Military

Veterans

Most Common Service Period

Vietnam
3,074 ± 312
Gulf War (2001-)
1,595 ± 273
Gulf War (1990s)
1,062 ± 207

Rock Island County, IL has a large population of military personnel who served in Vietnam, 1.93 times greater than any other conflict.

Economy

The economy of Rock Island County, IL employs 66.2k people. In 2023, the largest industries in Rock Island County, IL were Manufacturing (10,719 people), Health Care & Social Assistance (9,217 people), and Retail Trade (7,668 people), and the highest paying industries were Management of Companies & Enterprises ($87,125), Utilities ($71,848), and Public Administration ($71,477).

Employment

Occupations

66.2k

2023 Value

± 1,858

−1%

1 Year decline

± 4.03%

From 2022 to 2023, employment in Rock Island County, IL declined at a rate of −1%, from 66.9k employees to 66.2k employees.

The most common job groups, by number of people living in Rock Island County, IL, are Office & Administrative Support Occupations (7,682 people), Production Occupations (6,007 people), and Management Occupations (5,898 people). This chart illustrates the share breakdown of the primary jobs held by residents of Rock Island County, IL.

Unemployment Insurance Claims

Data is only available at the state level. Showing data for Illinois.

This chart shows weekly unemployment insurance claims in Illinois (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

Industries

Employment by Industries

66.2k

2023 Value

± 1,858

−1%

1 Year decline

± 4.03%

From 2022 to 2023, employment in Rock Island County, IL declined at a rate of −1%, from 66.9k employees to 66.2k employees.

The most common employment sectors for those who live in Rock Island County, IL, are Manufacturing (10,719 people), Health Care & Social Assistance (9,217 people), and Retail Trade (7,668 people). This chart shows the share breakdown of the primary industries for residents of Rock Island County, IL, though some of these residents may live in Rock Island County, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$50,773

Median earning men ± $1,764

$35,835

Median earning women ± $1,115

The industries with the best median earnings for men in 2023 are Public Administration ($80,695), Finance & Insurance, & Real Estate & Rental & Leasing ($60,730), and Manufacturing ($59,075).

The industries with the best median earnings for women in 2023 are Construction ($64,400), Public Administration ($54,464), and Transportation & Warehousing, & Utilities ($44,313).

Employment by Industry Sector

Data is only available at the state level. Showing data for Illinois.

Y-Axis

2.47%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 6.03M people employed in Illinois. This represents a 2.47% increase in employment when compared to February 2022.

Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 13%.

The following chart shows monthly employment numbers for each industry sector in Illinois.

Establishments by Size

The industries with the most establishments

230
Other Services (except Public Administration)
178
Retail Trade
171
Health Care and Social Assistance

The visualization shows the distribution of establishments by industry and by size according to the number of employees.

The visualization shows the number of establishments and its share across establishment sizes.

Payroll by Industry Sector

The industries with the highest total annual payroll

$840k
Management of Companies and Enterprises
$674k
Manufacturing
$494k
Health Care and Social Assistance

The chart shows the total annual payroll and the average annual payroll by industry.

Civics

In the 2024 presidential election, the popular vote in Illinois went to Kamala Harris with 54.4% of the vote. The runner-up was Donald J. Trump (43.5%), followed by Robert Kennedy (1.43%).

Dick Durbin and Tammy Duckworth are the senators currently representing the state of Illinois. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

Illinois is currently represented by 17 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Elections

Presidential Popular Vote Over Time

Voting results are not available for Rock Island County, IL. Showing the available data for Illinois.

2024 Election Results

Kamala Harris (54.4%)
Democratic Party
Donald J. Trump (43.5%)
Republican Party
Robert Kennedy (1.43%)
Independent Party

In the 2024 presidential election, the popular vote in Illinois went to Kamala Harris with 54.4% of the vote. The runner-up was Donald J. Trump (43.5%), followed by Robert Kennedy (1.43%).

The following chart shows the popular vote results in Illinois for each registered party from 1976 to 2024.

Senator Elections

US Senators from Illinois

Senatorial voting results are only available at the state level. Showing data for Illinois.

Dick Durbin

Senator from Illinois

Assumed office on January 3, 1997

Tammy Duckworth

Senator from Illinois

Assumed office on January 3, 2017

Dick Durbin and Tammy Duckworth are the senators currently representing Illinois.

In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

The following chart shows elected senators in Illinois over time, excluding special elections, colored by their political party.

US Representative Elections

US Representatives from Illinois

Illinois is currently represented by 17 members in the U.S. house.

Members of the House of Representives are elected to 2-year terms, and the following chart shows the how the members for Illinois have changed over time starting in 2008.

Education

In 2023, universities in Rock Island County, IL awarded 1,917 degrees. The student population of Rock Island County, IL in 2023 is skewed towards women, with 2,649 male students and 3,764 female students.

The median tuition cost in N/A for private four year colleges is $37,191.

Admissions & Enrollments

Applicants, Admissions & Enrolled

University

Measure

In 2023 in Rock Island County, IL, the percentage of applicants admitted was 67.6%, while the percentage of admitted who enrolled was 14.4%. The number of students enrolled in 2023 was 6,413 (41.3% men and 58.7% women).

The line chart shows the evolution of the percentage of applicants admitted, admitted who enrolled or the number of students enrolled according to the option selected in the upper button.

Enrollments by Gender and Races

Universities

In 2023 there were 6,413 students enrolled in Rock Island County, IL, 41.3% men and 58.7% women.

By race, the largest number of students enrolled was concentrated in White with 3,751 records, of which 58.9% were women and 41.1% men.

Completions

Awarded Degrees over Time

The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

Tuition

Average Net Price by Sector

Universities

Private not-for-profit, 4-year or above ($37,191) is the sector with the highest median state tuition in 2023.

Private not-for-profit, 4-year or above ($1,739) is the sector with the highest median state fee in 2023.

Public, 2-year ($1,148) is the sector with the highest average net price of books and supplies.

The graph shows the average net price by sector and year.

Working Population

Educational Pyramid

Data is only available at the state level. Showing data for Illinois.

Measure

In 2023, 1.23% of men over 25 years of age had not completed any academic degree (no schooling), while 1.11% of women were in the same situation.

This visualization shows the gender distribution of the population according to the academic level reached.

Educational Attainment

Data is only available at the state level. Showing data for Illinois.

Race

The most common educational levels obtained by the working population in 2023 were High School or Equivalent (2.6M), Bachelors Degree (2.12M), and Some college (2.1M).

This visualization illustrates the percentage distribution of the population according to the highest educational level reached. You can filter the data by race by using the selector above.

Housing & Living

The median property value in Rock Island County, IL was $144,700 in 2023, which is 0.477 times smaller than the national average of $303,400. Between 2022 and 2023 the median property value increased from $139,800 to $144,700, a 3.51% increase. The homeownership rate in Rock Island County, IL is 68.6%, which is higher than the national average of 65%.

People in Rock Island County, IL have an average commute time of 20.2 minutes, and they drove alone to work. Car ownership in Rock Island County, IL is approximately the same as the national average, with an average of 2 cars per household.

Median household income in Rock Island County, IL is $66,768. In 2023, the tract with the highest Median Household Income in Rock Island County, IL was Census Tract 241.01, Rock Island County, IL with a value of $104,493, followed by Census Tract 230, Rock Island County, IL and Census Tract 240, Rock Island County, IL, with respective values of $97,616 and $97,159.

In 2025, 13% of the population was living with severe housing problems in Rock Island County, IL. From 2014 to 2025, the indicator grew 0.616%.

Housing

Property

$144,700

Median Property Value 2023

±$3,326

$41,997

Median Property Taxes

±$1,319

The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In Rock Island County, IL the largest share of households pay taxes in the $3k+ range.

The chart underneath the paragraph shows the property taxes in Rock Island County, IL compared to it's parent and neighbor geographies.

Rent vs Own

68.6%

Homeownership

2023

60.9%

Homeowners with Mortgage

2023

In 2023, 68.6% of the housing units in Rock Island County, IL were occupied by their owner. This percentage grew from the previous year's rate of 68.6%.

This chart shows the percentage of owner in Rock Island County, IL compared it's parent and neighboring geographies.

Equity

Income by Location

Use the dropdown to filter by race/ethnicity.

Race/Ethnicity

Highest Median Household Income (Total)

Census Tract 241.01, Rock Island County, IL
Census Tract 230, Rock Island County, IL
Census Tract 240, Rock Island County, IL

In 2023, the tract with the highest Median Household Income (Total) in Rock Island County, IL was Census Tract 241.01, Rock Island County, IL with a value of $104,493, followed by Census Tract 230, Rock Island County, IL and Census Tract 240, Rock Island County, IL, with respective values of $97,616 and $97,159.

The following map shows all of the tracts in Rock Island County, IL colored by their Median Household Income (Total).

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.

$66,768

Median Household Income

± $2,195

61.2k

Number of Households

± 1,713

In 2023, the median household income of the 61.2k households in Rock Island County, IL grew to $66,768 from the previous year's value of $64,435.

The following chart displays the households in Rock Island County, IL distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $75k - $100k range.

Wage Distribution

The closest comparable wage GINI for Rock Island County, IL is from Illinois.

0.474

2023 Wage GINI in Illinois

0.477

2022 Wage GINI in Illinois

In 2023, the income inequality in Illinois was 0.474 according to the GINI calculation of the wage distribution. Income inequality had a 0.554% decline from 2022 to 2023, which means that wage distribution grew somewhat more even. The GINI for Illinois was lower than than the national average of 0.476. In other words, wages are distributed more evenly in Illinois in comparison to the national average.

This chart shows the number of workers in Illinois across various wage buckets compared to the national average.

Transportation

Commuter Transportation

Most Common Commute in 2023

Drove Alone (79.1%)
Carpooled (8.34%)
Worked At Home (6.71%)

In 2023, 79.1% of workers in Rock Island County, IL drove alone to work, followed by those who carpooled to work (8.34%) and those who worked at home (6.71%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

Commute Time

20.2 minutes

Average Travel Time

Using averages, employees in Rock Island County, IL have a shorter commute time (20.2 minutes) than the normal US worker (26.6 minutes). Additionally, 1.72% of the workforce in Rock Island County, IL have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Rock Island County, IL compares to that of it's neighboring and parent geographies.

Car Ownership

2 cars

Average Number

The following chart displays the households in Rock Island County, IL distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Rock Island County, IL have 2 cars.

Poverty

Severe Housing Problems

In 2025, 13% of the population was living with severe housing problems in Rock Island County, IL. From 2014 to 2025, the indicator grew 0.616%.

The graph shows the trend of the percentage of the population living with severe housing problems.

Poverty & Diversity

15.4% of the population for whom poverty status is determined in Rock Island County, IL (21.2k out of 138k people) live below the poverty line, a number that is higher than the national average of 12.4%. The largest demographic living in poverty are N/A N/A, followed by N/A N/A and then N/A N/A.

The most common racial or ethnic group living below the poverty line in Rock Island County, IL is White, followed by Black and Hispanic.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

Children in Poverty

In 2025, 21% of the children was living in poverty in Rock Island County, IL. From 2014 to 2025, the indicator declined 1.1%.

The graph shows the trend of the percentage of the children living in poverty.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals
Florida
4,915 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798. New York has the second highest (5,087), followed by Florida (4,915).

The following map shows the estimated number of chronically homeless individuals by state over multiple years.

Security

Crimes & Accidents

Indicator

In 2022, the number of reported violent crimes offenses per 100,000 population was 347 in Rock Island County, IL. From 2014 to 2022, the indicator declined 153 per 100,000 population.

The graph shows the trend in the number of reported violent crimes offenses per 100,000 population.

Health

94% of the population of Rock Island County, IL has health coverage, with 47.8% on employee plans, 18.2% on Medicaid, 15.9% on Medicare, 10.4% on non-group plans, and 1.61% on military or VA plans.

Primary care physicians in Rock Island County, IL see 2,042 patients per year on average, which represents a 0% change from the previous year (2,042 patients). Compare this to dentists who see 1275 patients per year, and mental health providers who see 334 patients per year.

By gender, of the total number of insured persons, 48.9% were men and 51.1% were women.

Coverage

Patient to Clinician Ratios

2,042 to 1

Patient to Primary Care Physician Ratio in Rock Island County, IL

Primary care physicians in Rock Island County, IL see an average of 2,042 patients per year. This represents a 0% change from the previous year (2,042 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Rock Island County, IL in comparison to its neighboring geographies.

Health Care Diversity

In 2023, insured persons according to age ranges were distributed in 24.3% under 18 years, 19.4% between 18 and 34 years, 36.5% between 35 and 64 years, and 19.8% over 64 years.

By gender, of the total number of insured persons, 48.9% were men and 51.1% were women.

The following chart shows the number of people with health coverage by gender.

Uninsured People

6.04%

Uninsured

47.8%

Employer Coverage

18.2%

Medicaid

15.9%

Medicare

10.4%

Non-Group

1.61%

Military or VA

Between 2022 and 2023, the percent of uninsured citizens in Rock Island County, IL declined by 4.42% from 6.32% to 6.04%.

The following chart shows how the percent of uninsured individuals in Rock Island County, IL changed over time compared with the percent of individuals enrolled in various types of health insurance.

Health Indicators

Health Outcomes

Indicator

In 2025, the number of deaths among residents under age 18 per 100,000 population was 47.5 in Rock Island County, IL.

The graphic shows the trend of the indicator in Rock Island County, IL.

Health Behaviors

Indicator

In 2025, the percentage of the adult population (age 18 and older) that reports a body mass index (BMI) greater than or equal to 30 kg/m2 (age-adjusted) was 37.4% in Rock Island County, IL.

The graphic shows the trend of the indicator in Rock Island County, IL.