Warren County, Iowa Population 2022

Warren County, Iowa's estimated population is 52,822 with a growth rate of 0.86% in the past year according to the most recent United States census data. Warren County, Iowa is the 12th largest county in Iowa. The 2010 Population was 46,340 and has seen a growth of 13.99% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18509610.00%
186010,2819,320969.82%
187017,9807,69974.89%
188019,5781,5988.89%
189018,269-1,309-6.69%
190020,3762,10711.53%
191018,194-2,182-10.71%
192018,047-147-0.81%
193017,700-347-1.92%
194017,695-5-0.03%
195017,758630.36%
196020,8293,07117.29%
197027,4326,60331.70%
198034,8787,44627.14%
199036,0331,1553.31%
201046,34010,30728.60%
201146,6453050.66%
201246,8952500.54%
201347,3584630.99%
201447,8274690.99%
201548,4686411.34%
201649,3568881.83%
201750,0787221.46%
201851,0149361.87%
201951,4664520.89%
202051,9184520.88%
202152,3704520.87%
202252,8224520.86%
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Warren County, Iowa Population Growth

Population by Race

Race Population Percentage
White48,59495.53%
Black or African American3010.59%
American Indian and Alaska Native240.05%
Asian3880.76%
Native Hawaiian and Other Pacific Islander1410.28%
Some Other Race3250.64%
Two or More Races1,0942.15%
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Warren County, Iowa Population by Race

Warren County, Iowa Population Pyramid 2022

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Warren County, Iowa Median Age

38.5


Total

37.6


Male

39.8


Female

Warren County, Iowa Adults

There are 38,333 adults, (8,048 of whom are seniors) in Warren County, Iowa.

Warren County, Iowa Age Dependency

Age Dependency Ratio

26.6

Old Age Dependency Ratio

41.4

Child Dependency Ratio

Warren County, Iowa Sex Ratio

Female

25,885

50.89%

Male

24,982

49.11%

Warren County, Iowa Population by Age

Warren County, Iowa Renter vs Owner Occupied by Household Type

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Warren County, Iowa Household Types

Type Owner Renter
Married93.1%6.9%
All80.4%19.6%
Male68.5%31.5%
Female64.6%35.4%
Non Family63.1%36.9%

80.4%

Rate of Home Ownership

Warren County, Iowa Households and Families

Type Count Average Size Owned
All19,3202.5480.4
Married10,8543.1493.1
Male9203.3668.5
Female1,5892.9264.6
Non Family5,9571.2263.1

3.06

Average Family Size

2.54

Average Household Size

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Warren County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3200.95%
9th to 12th Grade1,0563.14%
High School Graduate10,60331.55%
Some College7,07721.06%
Associates Degree4,03212.00%
Bachelors Degree7,35021.87%
Graduate Degree3,1739.44%
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Warren County, Iowa Educational Attainment by Sex (over 25)

Warren County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
Asian24323396
White32,00230,85610,231
Other Race19115142
Hispanic750634122
2+ Races49544260
Black1961457
Native American2121
Islander5050

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 39.51%.

Warren County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$50,394$56,943$41,617
Less Than 9th Grade$25,634$30,521$17,375
High School Graduate$39,030$48,411$31,214
Some College$47,345$56,498$37,432
Bachelors Degree$60,446$71,223$52,420
Graduate Degree$71,790$83,250$65,850

$50,394

Average Earnings

$56,943

Average Male

$41,617

Average Female

Warren County, Iowa Earnings by Educational Attainment

Warren County, Iowa Language by Age

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Warren County, Iowa Language

97.43% of Warren County, Iowa residents speak only English, while 2.57% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.19% of the population.

Warren County, Iowa Language

Warren County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
Islander1139079.65%
Black26915356.88%
Native241145.83%
Hispanic1,40122616.13%
White46,0082,6965.86%
Other92NaN%
Multiple1,08915213.96%

6.71%

Overall Poverty Rate

5.08%

Male Poverty Rate

8.30%

Female Poverty Rate

Poverty in Warren County, Iowa

The race most likely to be in poverty in Warren County, Iowa is Islander, with 79.65% below the poverty level.

The race least likely to be in poverty in Warren County, Iowa is Multiple, with 13.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.78%. Among those working part-time, it was 9.23%, and for those that did not work, the poverty rate was 12.35%.

Warren County, Iowa Poverty

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Name Poverty
Less Than 9th Grade16.41%
High School9.32%
Some College4.12%
Bachelors or Greater2.42%

Warren County, Iowa Poverty Rate by Education

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Rate Poverty
Male Employed2.69%
Male Unemployed4.34%
Female Employed4.28%
Female Unemployed18.42%

Warren County, Iowa Poverty Rate by Employment Status and Sex

Warren County, Iowa Income by Household Type

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Name Median Mean
Households$80,309$91,750
Families$96,276$108,591
Married Families$105,704$119,131
Non Families$40,323$50,657
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Income by Household Type

Warren County, Iowa Marital Status

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Marriage Rates

55.8%

Overall Marriage Rate

56.9%

Male Marriage Rate

54.7%

Female Marriage Rate

Warren County, Iowa Married by Age and Sex

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Warren County, Iowa Marriage

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

Warren County, Iowa Marital Status by Race

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Warren County, Iowa Marital Status

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2,862

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War524
First Gulf War660
Vietnam1,003
Korea186
World War II137

Warren County, Iowa Veterans by War

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Age Group Veterans
18 to 34198
35 to 54744
55 to 64402
65 to 74785
75+733

Warren County, Iowa Veterans by Age

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Name Veterans % of Total
White2,8327.69%
Black2510.73%
Islander22.56%
2+ Races30.51%
Hispanic485.06%

Warren County, Iowa Veterans by Race

Warren County, Iowa Veterans by Education

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5.11%

Veteran Poverty Rate

27.46%

Veteran Disability Rate

Warren County, Iowa Veterans by Education

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70.1%

Labor Force Participation

67.6%

Employment Rate

3.3%

Unemployment Rate

Warren County, Iowa Employment by Age

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Warren County, Iowa Employment by Race

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Warren County, Iowa Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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79.47%

Born in Warren County, Iowa

98.43%

Native Born

1.57%

Foreign Born

0.47%

Non Citizen

1.11%

Naturalized

Place of Birth

98.43% of Warren County, Iowa residents were born in the United States, with 79.47% having been born in Iowa. 0.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Warren County, Iowa Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources