Carroll County, Iowa Population 2024

20,503

Carroll County, Iowa's estimated 2024 population is 20,503 with a growth rate of -0.09% in the past year according to the most recent United States census data. Carroll County, Iowa is the 31st largest county in Iowa. The 2010 population was 20,823 and has seen a growth of -1.54% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202920,408-19-0.09%
202820,427-19-0.09%
202720,446-19-0.09%
202620,465-19-0.09%
202520,484-19-0.09%
202420,503-19-0.09%
202320,522-19-0.09%
202220,541-199-0.96%
202120,740140.07%
202020,7266083.02%
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%
201020,82300%
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%
1860281-20,127-98.62%
2024 Growth Rate
-0.09% (-19)
County Website
Carroll County
State
Iowa
County Seat
Carroll
2020 Population
20,726
Area
569 mi²
Density
36 people/mi²
Growth Since 2020
-1.08% (-223)
Founded
1851

Population by Race

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 Islander00%

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

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

Education Attained
Count
Percentage
9th to 12th Grade4072.89%
Associates Degree2,08214.78%
Bachelors Degree2,31216.41%
Graduate Degree8055.71%
High School Graduate5,06835.97%
Less Than 9th Grade3462.46%
Some College3,06821.78%

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

Race
Total
High School
Bachelors
White13,36512,7602,968
2+ Races29723280
Hispanic25513221
Black1731730
Other Race816060
Asian77680
Native American37314

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

Name
Average
Male
Female
Bachelors Degree$58,530$69,875$46,319
Graduate Degree$76,111$80,515$72,188
High School Graduate$36,828$43,165$28,822
Less Than 9th Grade$27,500$45,690$12,500
Overall$46,960$55,728$37,500
Some College$46,551$59,542$36,157

$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

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

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

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

Carroll County, Iowa Poverty Rate by Education

rate

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

Carroll County, Iowa Poverty Rate by Employment Status and Sex

Carroll County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$90,243$100,052
Households$68,041$84,303
Married Families$102,847$-999,999,999
Non Families$37,731$52,245

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

War
Veterans
Vietnam397
Second Gulf War224
First Gulf War191
Korea31
World War II14

Carroll County, Iowa Veterans by War

count

Age Group
Veterans
75+329
35 to 54286
65 to 74265
55 to 64124
18 to 3455

Carroll County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White9976.69%
Native American2332.86%
2+ Races214.88%
Hispanic205.24%
Black189.78%

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