Warren County, Iowa Population 2021

Warren County, Iowa's estimated population is 52,370 with a growth rate of 0.87% in the past year according to the most recent United States census data. Warren County, Iowa is the 12th largest county inIowa. The 2010 Population was 46,340 and has seen a growth of 13.01% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202152,3704520.87%
202051,9184520.88%
201951,4664520.89%
201851,0149361.87%
201750,0787221.46%
201649,3568881.83%
201548,4686411.34%
201447,8274690.99%
201347,3584630.99%
201246,8952500.54%
201146,6453050.66%
201046,34010,30728.60%
199036,0331,1553.31%
198034,8787,44627.14%
197027,4326,60331.70%
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%
18509610.00%
2021 Growth Rate
0.87% (452)
County Website
State
Founded
1846
County Seat
2010 Population
46,340
Growth Since 2010
13.01% (6,030)
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Warren County, Iowa Population Growth

Population by Race

Race Population Percentage
White48,09296.04%
Two or More Races7951.59%
Asian3480.69%
Some Other Race3470.69%
Black or African American2600.52%
Native Hawaiian and Other Pacific Islander1730.35%
American Indian and Alaska Native610.12%
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Warren County, Iowa Population by Race

Warren County, Iowa Population Pyramid $2021

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Warren County, Iowa Median Age

38.3


Total

37.4


Male

39.3


Female

Warren County, Iowa Adults

There are 37,653 adults, (7,781 of whom are seniors) in Warren County, Iowa.

Warren County, Iowa Age Dependency

67.6

Age Dependency Ratio

26

Old Age Dependency Ratio

41.6

Child Dependency Ratio

Warren County, Iowa Sex Ratio

Female

25,579

51.08%

Male

24,497

48.92%

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
Non Family59.8%40.2%
Female64.5%35.5%
Male66.1%33.9%
All79%21%
Married91.1%8.9%

79.0%

Rate of Home Ownership

Warren County, Iowa Households and Families

Type Count Average Size Owned
All19,2582.5179
Married11,3763.0491.1
Non Family5,3771.1859.8
Female1,6322.9464.5
Male8733.0266.1

2.96

Average Family Size

2.51

Average Household Size

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Warren County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3511.07%
9th to 12th Grade1,1763.57%
High School Graduate10,12730.78%
Some College7,07921.52%
Associates Degree3,67011.15%
Bachelors Degree7,49522.78%
Graduate Degree3,0039.13%
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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
White31,47830,17810,221
Hispanic693558106
2+ Races30926246
Asian213186107
Other Race21116348
Black16915110
Islander5858
Native American2929

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 50.23%.

Warren County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$51,164$57,195$43,327
Less Than 9th Grade$25,699$36,827$17,482
High School Graduate$39,511$47,628$30,526
Some College$47,049$55,246$37,338
Bachelors Degree$63,229$74,922$56,703
Graduate Degree$73,039$79,273$68,066

$51,164

Average Earnings

$57,195

Average Male

$43,327

Average Female

Warren County, Iowa Earnings by Educational Attainment

Warren County, Iowa Language by Age

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Warren County, Iowa Language

97.59% of Warren County, Iowa residents speak only English, while 2.41% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.34% of the population.

Warren County, Iowa Language

Warren County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White45,4453,2757.21%
Hispanic1,32228521.56%
Multiple79419624.69%
Islander14612082.19%
Other32811735.67%
Black22510144.89%
Native612134.43%

8.17%

Overall Poverty Rate

6.65%

Male Poverty Rate

9.63%

Female Poverty Rate

Poverty in Warren County, Iowa

The race most likely to be in poverty in Warren County, Iowa is Islander, with 82.19% below the poverty level.

The race least likely to be in poverty in Warren County, Iowa is White, with 7.21% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.21%. Among those working part-time, it was 11.01%, and for those that did not work, the poverty rate was 14.12%.

Warren County, Iowa Poverty

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Name Poverty
Less Than 9th Grade19.88%
High School10.85%
Some College5.49%
Bachelors or Greater2.44%

Warren County, Iowa Poverty Rate by Education

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Rate Poverty
Female Unemployed23.57%
Male Unemployed13.32%
Female Employed5.24%
Male Employed3.08%

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$77,048$93,100
Families$92,705$108,153
Married Families$102,510$119,153
Non Families$38,401$50,383
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Income by Household Type

Warren County, Iowa Marital Status

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Marriage Rates

59.1%

Overall Marriage Rate

61.1%

Male Marriage Rate

57.2%

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 35-44, 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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3,080

Number of Veterans

2,800

Male Veterans

280

Female Veterans

War Veterans
Vietnam1,155
Second Gulf War609
First Gulf War583
Korea248
World War II101

Warren County, Iowa Veterans by War

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Age Group Veterans
65 to 74829
75+748
35 to 54714
55 to 64469
18 to 34320

Warren County, Iowa Veterans by Age

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Name Veterans % of Total
White3,0528.39%
Hispanic434.78%
Black2512.44%
Islander33.53%

Warren County, Iowa Veterans by Race

Warren County, Iowa Veterans by Education

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5.94%

Veteran Poverty Rate

25.51%

Veteran Disability Rate

Warren County, Iowa Veterans by Education

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69.5%

Labor Force Participation

67.3%

Employment Rate

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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79.57%

Born in Warren County, Iowa

98.41%

Native Born

1.59%

Foreign Born

0.55%

Non Citizen

1.04%

Naturalized

Place of Birth

98.41% of Warren County, Iowa residents were born in the United States, with 79.57% having been born in Iowa. 0.55% 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