Warren County, IA

County

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2024 Population

54,409

US Senator

Chuck Grassley

Republican Party

US Senator

Joni Ernst

Republican Party

2024 Median Age

38.8

0.258% 1-year increase

2024 Poverty Rate

5.14%

3.95% 1-year decrease

2024 Median Household Income

$94,588

1.72% 1-year growth

2024 Median Property Value

$269,600

6.65% 1-year growth

2024 Employed Population

28,297

1.6% 1-year growth

About

None of the households in Warren County, IA 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.

99.3% of the residents in Warren County, IA are U.S. citizens.

The largest universities in Warren County, IA are Simpson College (322 degrees awarded in 2024).

In 2024, the median property value in Warren County, IA was $269,600, and the homeownership rate was 82.3%.

Most people in Warren County, IA drove alone to work, and the average commute time was 24.1 minutes. The average car ownership in Warren County, IA was 2 cars per household.

Warren County, IA borders Clarke County, IA, Dallas County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, and Polk County, IA.

About the photo: Starlit Barn, the lights in the bottom left are the city of Altoona, Iowa near Des Moines.

Photo by Jason Mrachina

United States Iowa Des Moines-West Des Moines, IA

Population & Diversity

Warren County, IA is home to a population of 54.4k people, from which 99.3% are citizens. As of 2024, 1.45% of Warren County, IA residents were born outside of the country (791 people).

In 2024, there were 43.6 times more White (Non-Hispanic) residents (50k people) in Warren County, IA than any other race or ethnicity. There were 1.15k Two Races Excluding Other, & Three or More Races (Non-Hispanic) and 678 Two Races Including Other (Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

99.3%

2024 Citizenship

99.4%

2023 Citizenship

As of 2024, 99.3% of Warren County, IA residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Warren County, IA was 99.4%, meaning that the rate of citizenship has been decreasing.

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

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Warren County, IA

White (Non-Hispanic)
50k ± 216
Two Races Excluding Other, & Three or More Races (Non-Hispanic)
1.15k ± 152
Two Races Including Other (Hispanic)
678 ± 179

3.71%

Hispanic Population

2.02k people

3.71% of the people in Warren County, IA are hispanic (2.02k people).

The following chart shows the 8 races represented in Warren County, IA 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 Iowa.

Most Common Origin

Mexico
44,333 ± 5,134 people
India
11,889 ± 2,672 people
Guatemala
8,189 ± 2,219 people

In 2024, the most common birthplace for the foreign-born residents of Iowa was Mexico, the natal country of 44,333 Iowa residents, followed by India with 11,889 and Guatemala with 8,189.

Foreign-Born Population

1.45%

2024 Foreign-Born Population

791 people

1.5%

2023 Foreign-Born Population

804 people

As of 2024, 1.45% of Warren County, IA residents (791 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, IA was 1.5%, meaning that the rate has been decreasing.

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

Military

Veterans

Most Common Service Period

Gulf War (2001-)
731 ± 173
Vietnam
723 ± 145
Gulf War (1990s)
360 ± 117

Warren County, IA has a large population of military personnel who served in Gulf War (2001-), 1.01 times greater than any other conflict.

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

Health

98% of the population of Warren County, IA has health coverage, with 61.5% on employee plans, 10.6% on Medicaid, 12.5% on Medicare, 11.7% on non-group plans, and 1.57% on military or VA plans.

Primary care physicians in Warren County, IA see 1,618 patients per year on average, which represents a 0% change from the previous year (1,618 patients). Compare this to dentists who see 2716 patients per year, and mental health providers who see 3450 patients per year.

By gender, of the total number of insured persons, 49.6% were men and 50.4% were women.

Coverage

Patient to Clinician Ratios

1,618 to 1

Patient to Primary Care Physician Ratio in Warren County, IA

Primary care physicians in Warren County, IA see an average of 1,618 patients per year. This represents a 0% change from the previous year (1,618 patients).

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

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 26.5% under 18 years, 19% between 18 and 34 years, 38.5% between 35 and 64 years, and 16% over 64 years.

By gender, of the total number of insured persons, 49.6% were men and 50.4% were women.

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

Uninsured People

2.03%

Uninsured

61.5%

Employer Coverage

10.6%

Medicaid

12.5%

Medicare

11.7%

Non-Group

1.57%

Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Warren County, IA declined by 6.85% from 2.18% to 2.03%.

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

Health Indicators

Health Outcomes

Indicator

In 2025, the average number of mentally unhealthy days reported in past 30 days (age-adjusted) was 4.95 in Warren County, IA.

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

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 42.1% in Warren County, IA.

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

Clinical Care

Indicator

In 2025, the percentage of population under age 65 without health insurance was 3.82% in Warren County, IA.

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

Economy

The economy of Warren County, IA employs 28.3k people. In 2024, the largest industries in Warren County, IA were Finance & Insurance (3,796 people), Retail Trade (3,537 people), and Health Care & Social Assistance (3,500 people), and the highest paying industries were Management of Companies & Enterprises ($103,750), Utilities ($95,912), and Finance & Insurance ($83,366).

Employment

Occupations

28.3k

2024 Value

± 1,123

1.6%

1 Year growth

± 5.5%

From 2023 to 2024, employment in Warren County, IA grew at a rate of 1.6%, from 27.9k employees to 28.3k employees.

The most common job groups, by number of people living in Warren County, IA, are Management Occupations (3,688 people), Office & Administrative Support Occupations (3,180 people), and Sales & Related Occupations (2,654 people). This chart illustrates the share breakdown of the primary jobs held by residents of Warren County, IA.

Unemployment Insurance Claims

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

This chart shows weekly unemployment insurance claims in Iowa (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

28.3k

2024 Value

± 1,123

1.6%

1 Year growth

± 5.5%

From 2023 to 2024, employment in Warren County, IA grew at a rate of 1.6%, from 27.9k employees to 28.3k employees.

The most common employment sectors for those who live in Warren County, IA, are Finance & Insurance (3,796 people), Retail Trade (3,537 people), and Health Care & Social Assistance (3,500 people). This chart shows the share breakdown of the primary industries for residents of Warren County, IA, though some of these residents may live in Warren County, IA and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$63,619

Median earning men ± $3,306

$47,186

Median earning women ± $3,234

The industries with the best median earnings for men in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($102,614), Wholesale Trade ($88,750), and Public Administration ($87,981).

The industries with the best median earnings for women in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($70,991), Construction ($65,938), and Information ($63,750).

Employment by Industry Sector

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

Y-Axis

1.48%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 1.57M people employed in Iowa. This represents a 1.48% 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 10.9%.

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

Establishments by Size

The industries with the most establishments

121
Construction
91
Other Services (except Public Administration)
59
Professional, Scientific, and Technical Services

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

$70.3k
Construction
$60.7k
Retail Trade
$45.1k
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 Iowa went to Donald J. Trump with 55.7% of the vote. The runner-up was Kamala Harris (42.5%), followed by Robert Kennedy (0.789%).

Chuck Grassley and Joni Ernst are the senators currently representing the state of Iowa. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

Iowa is currently represented by 4 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, IA. Showing the available data for Iowa.

2024 Election Results

Donald J. Trump (55.7%)
Republican Party
Kamala Harris (42.5%)
Democratic Party
Robert Kennedy (0.789%)
Independent Party

In the 2024 presidential election, the popular vote in Iowa went to Donald J. Trump with 55.7% of the vote. The runner-up was Kamala Harris (42.5%), followed by Robert Kennedy (0.789%).

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

Senator Elections

US Senators from Iowa

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

Chuck Grassley

Senator from Iowa

Assumed office on January 3, 1981

Joni Ernst

Senator from Iowa

Assumed office on January 3, 2015

Chuck Grassley and Joni Ernst are the senators currently representing Iowa.

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 Iowa over time, excluding special elections, colored by their political party.

Education

In 2024, universities in Warren County, IA awarded 322 degrees. The student population of Warren County, IA in 2024 is skewed towards men, with 627 male students and 624 female students.

Most students graduating from Universities in Warren County, IA are White (262 and 83.7%), Hispanic or Latino (21 and 6.71%), Two or More Races (15 and 4.79%), and Black or African American (7 and 2.24%).

The largest universities in Warren County, IA by number of degrees awarded are Simpson College (322 and 100%).

The most popular majors in Warren County, IA are General Business Administration & Management (29 and 9.01%), General Health & Wellness (25 and 7.76%), and Liberal Arts & Sciences (18 and 5.59%).

The median tuition cost for private four year colleges is $46,750.

Admissions & Enrollments

Applicants, Admissions & Enrolled

University

Measure

In 2024 in Warren County, IA, the percentage of applicants admitted was 86.2%, while the percentage of admitted who enrolled was 21.6%. The number of students enrolled in 2024 was 1,251 (50.1% men and 49.9% 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 2024 there were 1,251 students enrolled in Warren County, IA, 50.1% men and 49.9% women.

By race, the largest number of students enrolled was concentrated in White with 904 records, of which 51.1% were women and 48.9% men.

Completions

Concentrations

Most Common

General Business Administration & Management
29 degrees awarded
General Health & Wellness
25 degrees awarded
Liberal Arts & Sciences
18 degrees awarded

In 2024, the most common concentation for Bachelors Degree recipients in Warren County, IA 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, IA according to their major.

Universities

Gender

Race

Simpson College

Largest Universities by degrees awarded

322 degrees awarded

In 2024, the institution with the largest number of graduating students was Simpson College with 322 degrees awarded.

Student Diversity

University

In 2024, 144 men were awarded degrees from institutions in Warren County, IA, which is 0.809 times less than the 178 female students who received degrees in the same year.

In 2024, the most common race/ethnicity group awarded degrees at institutions was White students. These 262 degrees mean that there were 12.5 times more degrees awarded to White students then the next closest race/ethnicity group, Hispanic or Latino, with 21 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 ($46,750) is the sector with the highest median state tuition in 2024.

Private not-for-profit, 4-year or above ($906) is the sector with the highest median state fee in 2024.

Private not-for-profit, 4-year or above ($1,134) 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, IA was $269,600 in 2024, which is 0.81 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $252,800 to $269,600, a 6.65% increase. The homeownership rate in Warren County, IA is 82.3%, which is higher than the national average of 65.2%.

People in Warren County, IA have an average commute time of 24.1 minutes, and they drove alone to work. Car ownership in Warren County, IA is approximately the same as the national average, with an average of 2 cars per household.

In 2025, 8.69% of the population was living with severe housing problems in Warren County, IA. From 2014 to 2025, the indicator grew 0.686%.

Housing

Property

$269,600

Median Property Value 2024

±$11,116

$17,027

Median Property Taxes

±$691

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, IA the largest share of households pay taxes in the $3k+ range.

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

Rent vs Own

82.3%

Homeownership

2024

61.7%

Homeowners with Mortgage

2024

In 2024, 82.3% of the housing units in Warren County, IA were occupied by their owner. This percentage declined from the previous year's rate of 83%.

This chart shows the percentage of owner in Warren County, IA 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.

$94,588

Median Household Income

± $3,834

20.7k

Number of Households

± 942

In 2024, the median household income of the 20.7k households in Warren County, IA grew to $94,588 from the previous year's value of $92,990.

The following chart displays the households in Warren County, IA 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 $100k - $125k range.

Wage Distribution

The closest comparable wage GINI for Warren County, IA is from Iowa.

0.435

2024 Wage GINI in Iowa

0.441

2023 Wage GINI in Iowa

In 2024, the income inequality in Iowa was 0.435 according to the GINI calculation of the wage distribution. Income inequality had a 1.29% decline from 2023 to 2024, which means that wage distribution grew somewhat more even. The GINI for Iowa was lower than than the national average of 0.474. In other words, wages are distributed more evenly in Iowa in comparison to the national average.

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

Transportation

Commuter Transportation

Most Common Commute in 2024

Drove Alone (76%)
Worked At Home (15.3%)
Carpooled (5.21%)

In 2024, 76% of workers in Warren County, IA drove alone to work, followed by those who worked at home (15.3%) and those who carpooled to work (5.21%).

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

24.1 minutes

Average Travel Time

Using averages, employees in Warren County, IA have a shorter commute time (24.1 minutes) than the normal US worker (26.4 minutes). Additionally, 1.44% of the workforce in Warren County, IA have "super commutes" in excess of 90 minutes.

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

Poverty

Severe Housing Problems

In 2025, 8.69% of the population was living with severe housing problems in Warren County, IA. From 2014 to 2025, the indicator grew 0.686%.

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

Poverty & Diversity

5.14% of the population for whom poverty status is determined in Warren County, IA (2.71k out of 52.7k people) live below the poverty line, a number that is lower than the national average of 12.5%. The largest demographic living in poverty are Females 25 - 34, followed by Males 35 - 44 and then Females 65 - 74.

The most common racial or ethnic group living below the poverty line in Warren County, IA 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, 5.7% of the children was living in poverty in Warren County, IA. From 2014 to 2025, the indicator declined 5.8%.

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

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

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 337 in Warren County, IA. From 2014 to 2022, the indicator grew 182% per 100,000 population.

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