Warren County, Iowa Population 2024

56,007

Warren County, Iowa's estimated 2024 population is 56,007 with a growth rate of 1.52% in the past year according to the most recent United States census data. Warren County, Iowa is the 11th largest county in Iowa. The 2010 population was 46,341 and has seen a growth of 20.86% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202960,2078401.41%
202859,3678401.44%
202758,5278401.46%
202657,6878401.48%
202556,8478401.5%
202456,0078401.52%
202355,1678401.55%
202254,3278401.57%
202153,4878991.71%
202052,5881,0402.02%
201951,5484950.97%
201851,0539661.93%
201750,0877041.43%
201649,3838971.85%
201548,4866381.33%
201447,8484791.01%
201347,3694630.99%
201246,9062520.54%
201146,6543130.68%
201046,341
199036,0331,1553.31%
198034,8787,44627.14%
197027,4326,60331.7%
196020,8293,07117.29%
195017,758630.36%
194017,695-5-0.03%
193017,700-347-1.92%
192018,047-147-0.81%
191018,194-2,182-10.71%
190020,3762,10711.53%
189018,269-1,309-6.69%
188019,5781,5988.89%
187017,9807,69974.89%
186010,2819,320969.82%
1850961-59,246-98.4%
showing: 35 rows
2024 Growth Rate
1.52% (840)
County Website
Warren County
State
Iowa
County Seat
2010 Population
46,341
Area
570 mi²
Density
98 people/mi²
Growth Since 2010
20.86% (9,666)
Founded
1846

Warren County, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White49,56194.03%
Two or more races1,8723.55%
Black or African American3960.75%
Other race3910.74%
Asian3890.74%
Native American590.11%
Native Hawaiian or Pacific Islander410.08%
showing: 7 rows

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Warren County, Iowa Population by Race

Warren County, Iowa Population Pyramid 2024

Warren County, Iowa Median Age

38.5

Total

37.8

Male

39.3

Female

Warren County, Iowa Adults

There are 39,839 adults, (8,650 of whom are seniors) in Warren County, Iowa.

Warren County, Iowa Age Dependency

69

Age Dependency Ratio

27.7

Old Age Dependency Ratio

41.3

Child Dependency Ratio

Warren County, Iowa Sex Ratio

Female26,44150.16%
Male26,26849.84%

Warren County, Iowa Population by Age

Warren County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All19,9062.5681.718.3
Married11,1843.1794.25.8
Non Family6,1081.2167.132.9
Female1,6102.9657.642.4
Male1,0043.468.631.4
showing: 5 rows

3.09

Average Family Size

2.56

Average Household Size

81.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Warren County, Iowa Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Warren County, Iowa Educational Attainment by Sex (over 25)

Warren County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 43.46%.

Warren County, Iowa Educational Attainment by Race

All

Male

Female

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$56,648

Average Earnings

$66,292

Average Male

$46,337

Average Female

Warren County, Iowa Earnings by Educational Attainment

Warren County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Warren County, Iowa Language

97.13% of Warren County, Iowa residents speak only English, while 2.87% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.6% of the population.

Warren County, Iowa Language

Warren County, Iowa Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White47,3782,5905.47%
Hispanic1,59128918.16%
Multiple1,8081729.51%
Black30116454.49%
Other3829023.56%
Native562239.29%
Asian37141.08%
showing: 7 rows

6.16%

Overall Poverty Rate

5.51%

Male Poverty Rate

6.82%

Female Poverty Rate

Poverty in Warren County, Iowa

The race most likely to be in poverty in Warren County, Iowa is Black, with 54.49% below the poverty level.

The race least likely to be in poverty in Warren County, Iowa is Asian, with 1.08% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.11%. Among those working part-time, it was 7.96%, and for those that did not work, the poverty rate was 13.17%.

Warren County, Iowa Poverty

rate

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Rate
Poverty
Less Than 9th Grade18.98%
High School7.26%
Some College5.54%
Bachelors or Greater2.18%
showing: 4 rows

Warren County, Iowa Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed35.26%
Male Unemployed14.93%
Female Employed3.6%
Male Employed1.99%
showing: 4 rows

Warren County, Iowa Poverty Rate by Employment Status and Sex

Warren County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Warren County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.4%

Overall Marriage Rate

57.1%

Male Marriage Rate

53.8%

Female Marriage Rate

Warren County, Iowa Married by Age and Sex

male

female

Warren County, Iowa Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Warren County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Warren County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,909

Number of Veterans

2,748

Male Veterans

161

Female Veterans

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Warren County, Iowa Veterans by War

count

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Warren County, Iowa Veterans by Age

count

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Warren County, Iowa Veterans by Race

Warren County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.47%

Veteran Poverty Rate

32.9%

Veteran Disability Rate

Warren County, Iowa Veterans by Education

LaborForceParticipation

69%

Labor Force Participation

66.6%

Employment Rate

3.2%

Unemployment Rate

Warren County, Iowa Employment by Age

LaborForceParticipation

Warren County, Iowa Employment by Race

LaborForceParticipation

Warren County, Iowa 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

79.26%

Born in Warren County, Iowa

98.38%

Native Born

1.62%

Foreign Born

0.61%

Non Citizen

1.01%

Naturalized

Place of Birth

98.38% of Warren County, Iowa residents were born in the United States, with 79.26% having been born in Iowa. 0.61% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Warren County, Iowa Place of Birth

Sources