Warren County, IL

County

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2024 Population

16,447

US Senator

Dick Durbin

Democratic Party

US Senator

Tammy Duckworth

Democratic Party

2024 Median Age

38.5

0.517% 1-year decrease

2024 Poverty Rate

14.6%

13.9% 1-year increase

2024 Median Household Income

$67,385

4.23% 1-year growth

2024 Median Property Value

$105,000

3.65% 1-year growth

2024 Employed Population

7,733

1.15% 1-year decline

About

None of the households in Warren 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.

95.5% of the residents in Warren County, IL are U.S. citizens.

The largest universities in Warren County, IL are Monmouth College (218 degrees awarded in 2023).

In 2024, the median property value in Warren County, IL was $105,000, and the homeownership rate was 75.2%.

Most people in Warren County, IL drove alone to work, and the average commute time was 18.8 minutes. The average car ownership in Warren County, IL was 2 cars per household.

Warren County, IL borders Fulton County, IL, Henderson County, IL, Knox County, IL, McDonough County, IL, and Mercer County, IL.

United States Illinois

Population & Diversity

Warren County, IL is home to a population of 16.4k people, from which 95.5% are citizens. As of 2024, 6.17% of Warren County, IL residents were born outside of the country (1.01k people).

In 2024, there were 17.6 times more White (Non-Hispanic) residents (13.3k people) in Warren County, IL than any other race or ethnicity. There were 759 Other (Hispanic) and 584 Two Races Including Other (Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

95.5%

2024 Citizenship

97.5%

2023 Citizenship

As of 2024, 95.5% of Warren County, IL residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Warren County, IL was 97.5%, meaning that the rate of citizenship has been decreasing.

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

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Warren County, IL

White (Non-Hispanic)
13.3k ± 77
Other (Hispanic)
759 ± 221
Two Races Including Other (Hispanic)
584 ± 203

11.1%

Hispanic Population

1.82k people

11.1% of the people in Warren County, IL are hispanic (1.82k people).

The following chart shows the 8 races represented in Warren 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

6.17%

2024 Foreign-Born Population

1.01k people

5.97%

2023 Foreign-Born Population

989 people

As of 2024, 6.17% of Warren County, IL residents (1.01k people) were born outside of the United States, which is approximately the same as the national average of 14%. In 2023, the percentage of foreign-born citizens in Warren County, IL was 5.97%, meaning that the rate has been increasing.

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

Military

Veterans

Most Common Service Period

Vietnam
265 ± 81
Gulf War (2001-)
210 ± 88
Gulf War (1990s)
172 ± 70

Warren County, IL has a large population of military personnel who served in Vietnam, 1.26 times greater than any other conflict.

The chart shows the distribution of veterans by conflict in Warren County, IL.

Economy

The economy of Warren County, IL employs 7.73k people. In 2024, the largest industries in Warren County, IL were Educational Services (1,203 people), Manufacturing (1,068 people), and Health Care & Social Assistance (978 people), and the highest paying industries were Utilities ($78,289), Transportation & Warehousing, & Utilities ($72,708), and Transportation & Warehousing ($70,962).

Employment

Occupations

7.73k

2024 Value

± 524

−1.15%

1 Year decline

± 9.96%

From 2023 to 2024, employment in Warren County, IL declined at a rate of −1.15%, from 7.82k employees to 7.73k employees.

The most common job groups, by number of people living in Warren County, IL, are Office & Administrative Support Occupations (1,059 people), Production Occupations (735 people), and Sales & Related Occupations (721 people). This chart illustrates the share breakdown of the primary jobs held by residents of Warren 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

7.73k

2024 Value

± 524

−1.15%

1 Year decline

± 9.96%

From 2023 to 2024, employment in Warren County, IL declined at a rate of −1.15%, from 7.82k employees to 7.73k employees.

The most common employment sectors for those who live in Warren County, IL, are Educational Services (1,203 people), Manufacturing (1,068 people), and Health Care & Social Assistance (978 people). This chart shows the share breakdown of the primary industries for residents of Warren County, IL, though some of these residents may live in Warren County, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$52,226

Median earning men ± $5,923

$31,431

Median earning women ± $2,298

The industries with the best median earnings for men in 2024 are Transportation & Warehousing, & Utilities ($87,115), Wholesale Trade ($78,750), and Public Administration ($73,693).

The industries with the best median earnings for women in 2024 are Public Administration ($51,250), Transportation & Warehousing, & Utilities ($48,333), and Manufacturing ($46,932).

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

38
Other Services (except Public Administration)
30
Construction
17
Retail Trade

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

$102k
Manufacturing
$21.2k
Health Care and Social Assistance
$20.8k
Wholesale Trade

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 Warren 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.

Education

In 2023, universities in Warren County, IL awarded 218 degrees. The student population of Warren County, IL in 2023 is skewed towards men, with 379 male students and 348 female students.

Most students graduating from Universities in Warren County, IL are White (154 and 75.9%), Hispanic or Latino (23 and 11.3%), Black or African American (12 and 5.91%), and Unknown (6 and 2.96%).

The largest universities in Warren County, IL by number of degrees awarded are Monmouth College (218 and 100%).

The most popular majors in Warren County, IL are General Business Administration & Management (29 and 13.3%), Kinesiology & Exercise Science (21 and 9.63%), and General Economics (13 and 5.96%).

The median tuition cost for private four year colleges is $43,320.

Admissions & Enrollments

Applicants, Admissions & Enrolled

University

Measure

In 2023 in Warren County, IL, the percentage of applicants admitted was 86.6%, while the percentage of admitted who enrolled was 15.1%. The number of students enrolled in 2023 was 727 (52.1% men and 47.9% 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 727 students enrolled in Warren County, IL, 52.1% men and 47.9% women.

By race, the largest number of students enrolled was concentrated in White with 502 records, of which 51.4% were women and 48.6% men.

Completions

Concentrations

Most Common

General Business Administration & Management
29 degrees awarded
Kinesiology & Exercise Science
21 degrees awarded
General Economics
13 degrees awarded

In 2023, the most common concentation for Bachelors Degree recipients in Warren County, IL was General Business Administration & Management with 29 degrees awarded.

This visualization illustrates the percentage of students graduating with a Bachelors Degree from schools in Warren County, IL according to their major.

Universities

Gender

Race

Monmouth College

Largest Universities by degrees awarded

218 degrees awarded

In 2023, the institution with the largest number of graduating students was Monmouth College with 218 degrees awarded.

Student Diversity

University

In 2023, 108 men were awarded degrees from institutions in Warren County, IL, which is 0.982 times less than the 110 female students who received degrees in the same year.

In 2023, the most common race/ethnicity group awarded degrees at institutions was White students. These 154 degrees mean that there were 6.7 times more degrees awarded to White students then the next closest race/ethnicity group, Hispanic or Latino, with 23 degrees awarded.

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 ($43,320) is the sector with the highest median state tuition in 2023.

Private not-for-profit, 4-year or above ($200) is the sector with the highest median state fee in 2023.

Private not-for-profit, 4-year or above ($900) is the sector with the highest average net price of books and supplies.

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

Housing & Living

The median property value in Warren County, IL was $105,000 in 2024, which is 0.316 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $101,300 to $105,000, a 3.65% increase. The homeownership rate in Warren County, IL is 75.2%, which is higher than the national average of 65.2%.

People in Warren County, IL have an average commute time of 18.8 minutes, and they drove alone to work. Car ownership in Warren County, IL is approximately the same as the national average, with an average of 2 cars per household.

In 2025, 10.3% of the population was living with severe housing problems in Warren County, IL. From 2014 to 2025, the indicator declined 3.64%.

Housing

Property

$105,000

Median Property Value 2024

±$6,705

$5,101

Median Property Taxes

±$418

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 Warren County, IL the largest share of households pay taxes in the $3k+ range.

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

Rent vs Own

75.2%

Homeownership

2024

63.4%

Homeowners with Mortgage

2024

In 2024, 75.2% of the housing units in Warren County, IL were occupied by their owner. This percentage declined from the previous year's rate of 78.1%.

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

Equity

Household Income

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

$67,385

Median Household Income

± $6,850

6.79k

Number of Households

± 478

In 2024, the median household income of the 6.79k households in Warren County, IL grew to $67,385 from the previous year's value of $64,650.

The following chart displays the households in Warren 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 Warren 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 2024

Drove Alone (80.5%)
Worked At Home (7.4%)
Carpooled (5.56%)

In 2024, 80.5% of workers in Warren County, IL drove alone to work, followed by those who worked at home (7.4%) and those who carpooled to work (5.56%).

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

18.8 minutes

Average Travel Time

Using averages, employees in Warren County, IL have a shorter commute time (18.8 minutes) than the normal US worker (26.4 minutes). Additionally, 2.1% of the workforce in Warren County, IL have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Warren 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 Warren County, IL distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Warren County, IL have 2 cars.

Poverty

Severe Housing Problems

In 2025, 10.3% of the population was living with severe housing problems in Warren County, IL. From 2014 to 2025, the indicator declined 3.64%.

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

Poverty & Diversity

14.6% of the population for whom poverty status is determined in Warren County, IL (2.24k out of 15.3k people) live below the poverty line, a number that is higher than the national average of 12.5%. The largest demographic living in poverty are Males 6 - 11, followed by Females 25 - 34 and then Females 35 - 44.

The most common racial or ethnic group living below the poverty line in Warren County, IL is White, followed by Hispanic and Two Or More.

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, 16.4% of the children was living in poverty in Warren County, IL. From 2014 to 2025, the indicator declined 4.1%.

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 231 in Warren County, IL. From 2014 to 2022, the indicator declined 115 per 100,000 population.

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

Health

95% of the population of Warren County, IL has health coverage, with 44.5% on employee plans, 22.8% on Medicaid, 16.8% on Medicare, 9.78% on non-group plans, and 1.18% on military or VA plans.

Primary care physicians in Warren County, IL see 1,837 patients per year on average, which represents a 0% change from the previous year (1,837 patients). Compare this to dentists who see 2726 patients per year, and mental health providers who see 4046 patients per year.

By gender, of the total number of insured persons, 50.3% were men and 49.7% were women.

Coverage

Patient to Clinician Ratios

1,837 to 1

Patient to Primary Care Physician Ratio in Warren County, IL

Primary care physicians in Warren County, IL see an average of 1,837 patients per year. This represents a 0% change from the previous year (1,837 patients).

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

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 25% under 18 years, 20.5% between 18 and 34 years, 35% between 35 and 64 years, and 19.5% over 64 years.

By gender, of the total number of insured persons, 50.3% were men and 49.7% were women.

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

Uninsured People

4.98%

Uninsured

44.5%

Employer Coverage

22.8%

Medicaid

16.8%

Medicare

9.78%

Non-Group

1.18%

Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Warren County, IL declined by 17.7% from 6.04% to 4.98%.

The following chart shows how the percent of uninsured individuals in Warren 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 69.8 in Warren County, IL.

The graphic shows the trend of the indicator in Warren 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 37.7% in Warren County, IL.

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