Carroll County, Iowa Population 2024

20,197

Carroll County, Iowa's estimated 2024 population is 20,197 with a growth rate of -0.91% in the past year according to the most recent United States census data. Carroll County, Iowa is the 32nd largest county in Iowa. The 2010 population was 20,823 and has seen a growth of -3.01% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202919,272-185-0.95%
202819,457-185-0.94%
202719,642-185-0.93%
202619,827-185-0.92%
202520,012-185-0.92%
202420,197-185-0.91%
202320,382-185-0.9%
202220,567-185-0.89%
202120,752310.15%
202020,7216033%
201920,118170.08%
201820,101-155-0.77%
201720,256-106-0.52%
201620,362-59-0.29%
201520,421-74-0.36%
201420,495-44-0.21%
201320,539-114-0.55%
201220,653-207-0.99%
201120,860370.18%
201020,823
199021,423-1,528-6.66%
198022,951390.17%
197022,912-519-2.22%
196023,4313661.59%
195023,0652951.3%
194022,7704441.99%
193022,3267773.61%
192021,5491,4327.12%
191020,117-202-0.99%
190020,3191,4917.92%
189018,8286,47752.44%
188012,3519,900403.92%
18702,4512,170772.24%
1860281-18,991-98.54%
showing: 34 rows
2024 Growth Rate
-0.91% (-185)
County Website
Carroll County
State
Iowa
County Seat
2010 Population
20,823
Area
569 mi²
Density
35 people/mi²
Growth Since 2010
-3.01% (-626)
Founded
1851

Carroll County, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White19,47293.94%
Two or more races6823.29%
Black or African American2431.17%
Other race1610.78%
Asian890.43%
Native American810.39%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Carroll County, Iowa Population by Race

Carroll County, Iowa Population Pyramid 2024

Carroll County, Iowa Median Age

42.4

Total

39.3

Male

44.6

Female

Carroll County, Iowa Adults

There are 15,780 adults, (4,309 of whom are seniors) in Carroll County, Iowa.

Carroll County, Iowa Age Dependency

80.7

Age Dependency Ratio

37.6

Old Age Dependency Ratio

43.1

Child Dependency Ratio

Carroll County, Iowa Sex Ratio

Female10,35849.97%
Male10,37050.03%

Carroll County, Iowa Population by Age

Carroll County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,6962.3376.123.9
Married4,3153.0692.67.4
Non Family3,2241.1357.142.9
Female8173.0465.434.6
Male3402.7972.427.6
showing: 5 rows

2.96

Average Family Size

2.33

Average Household Size

76.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Carroll 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

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

Carroll 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 black people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 74.07%.

Carroll County, Iowa Educational Attainment by Race

All

Male

Female

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$46,960

Average Earnings

$55,728

Average Male

$37,500

Average Female

Carroll County, Iowa Earnings by Educational Attainment

Carroll County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Carroll County, Iowa Language

97.95% of Carroll County, Iowa residents speak only English, while 2.05% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.28% of the population.

Carroll County, Iowa Language

Carroll County, Iowa Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White18,9731,5127.97%
Hispanic624467.37%
Other1613421.12%
Multiple668182.69%
Black226167.08%
showing: 5 rows

7.8%

Overall Poverty Rate

6.57%

Male Poverty Rate

9.04%

Female Poverty Rate

Poverty in Carroll County, Iowa

The race most likely to be in poverty in Carroll County, Iowa is Other, with 21.12% below the poverty level.

The race least likely to be in poverty in Carroll County, Iowa is Multiple, with 2.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.79%. Among those working part-time, it was 9.19%, and for those that did not work, the poverty rate was 17.9%.

Carroll County, Iowa Poverty

rate

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Rate
Poverty
High School14.49%
Less Than 9th Grade13.93%
Some College5.87%
Bachelors or Greater1.71%
showing: 4 rows

Carroll County, Iowa Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed21.92%
Female Unemployed9.49%
Male Employed4.54%
Female Employed4.4%
showing: 4 rows

Carroll County, Iowa Poverty Rate by Employment Status and Sex

Carroll County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Carroll County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.5%

Overall Marriage Rate

55.7%

Male Marriage Rate

51.4%

Female Marriage Rate

Carroll County, Iowa Married by Age and Sex

male

female

Carroll County, Iowa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Carroll County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Carroll County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,059

Number of Veterans

965

Male Veterans

94

Female Veterans

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Carroll County, Iowa Veterans by War

count

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Carroll County, Iowa Veterans by Age

count

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Carroll County, Iowa Veterans by Race

Carroll County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.08%

Veteran Poverty Rate

22.87%

Veteran Disability Rate

Carroll County, Iowa Veterans by Education

LaborForceParticipation

66.6%

Labor Force Participation

65.3%

Employment Rate

1.9%

Unemployment Rate

Carroll County, Iowa Employment by Age

LaborForceParticipation

Carroll County, Iowa Employment by Race

LaborForceParticipation

Carroll 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

80.54%

Born in Carroll County, Iowa

98%

Native Born

2%

Foreign Born

1.16%

Non Citizen

0.84%

Naturalized

Place of Birth

98% of Carroll County, Iowa residents were born in the United States, with 80.54% having been born in Iowa. 1.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Carroll County, Iowa Place of Birth

Sources