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)
White19,34793.57%
Two or more races7733.74%
Other race1980.96%
Black or African American1730.84%
Asian1200.58%
Native American660.32%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

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

41.8

Total

39.3

Male

44.2

Female

Carroll County, Iowa Adults

There are 15,691 adults, (4,333 of whom are seniors) in Carroll County, Iowa.

Carroll County, Iowa Age Dependency

82

Age Dependency Ratio

38.1

Old Age Dependency Ratio

43.9

Child Dependency Ratio

Carroll County, Iowa Sex Ratio

Female10,23249.48%
Male10,44550.52%

Carroll County, Iowa Population by Age

Carroll County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,7502.317525
Married4,1353.1191.68.4
Non Family3,4531.1458.241.8
Female8612.9464.535.5
Male3012.9270.129.9

2.99

Average Family Size

2.31

Average Household Size

75.0%

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 Grade4132.94%
Associates Degree1,92813.72%
Bachelors Degree2,50417.82%
Graduate Degree7835.57%
High School Graduate5,42238.59%
Less Than 9th Grade2872.04%
Some College2,71219.3%

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
White13,29912,7603,097
2+ Races35428493
Hispanic29616621
Asian10910024
Other Race986363
Black89850
Native American30245

The highest rate of high school graduation is among white people with a rate of 95.95%.

The highest rate of bachelors degrees is among other race people with a rate of 64.29%.

Carroll County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$55,460$70,203$41,781
Graduate Degree$72,375$71,786$75,000
High School Graduate$38,946$46,159$28,484
Less Than 9th Grade$44,063$48,333$13,849
Overall$48,031$55,861$39,197
Some College$49,538$62,000$40,417

$48,031

Average Earnings

$55,861

Average Male

$39,197

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

98.11% of Carroll County, Iowa residents speak only English, while 1.89% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.49% of the population.

Carroll County, Iowa Language

Carroll County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White18,8521,6098.53%
Hispanic659446.68%
Other1973718.78%
Multiple753253.32%
Black1612113.04%

8.34%

Overall Poverty Rate

7.79%

Male Poverty Rate

8.91%

Female Poverty Rate

Poverty in Carroll County, Iowa

The race most likely to be in poverty in Carroll County, Iowa is Other, with 18.78% below the poverty level.

The race least likely to be in poverty in Carroll County, Iowa is Multiple, with 3.32% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.94%. Among those working part-time, it was 9.62%, and for those that did not work, the poverty rate was 20.53%.

Carroll County, Iowa Poverty

rate

Rate
Poverty
High School15.99%
Less Than 9th Grade9.39%
Some College6.05%
Bachelors or Greater2.77%

Carroll County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed29.91%
Female Unemployed12.82%
Female Employed4.29%
Male Employed3.49%

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$91,492$102,615
Households$68,528$86,355
Married Families$104,779$-999,999,999
Non Families$41,188$55,855

mean

median

Income by Household Type

Carroll County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.4%

Overall Marriage Rate

52.8%

Male Marriage Rate

49.9%

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

987

Number of Veterans

914

Male Veterans

73

Female Veterans

War
Veterans
Vietnam343
Second Gulf War237
First Gulf War184
Korea98
World War II6

Carroll County, Iowa Veterans by War

count

Age Group
Veterans
75+353
35 to 54253
65 to 74211
55 to 64104
18 to 3466

Carroll County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White9176.2%
Black3537.23%
2+ Races214.09%
Native American1423.73%
Hispanic122.88%

Carroll County, Iowa Veterans by Race

Carroll County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.51%

Veteran Poverty Rate

26.97%

Veteran Disability Rate

Carroll County, Iowa Veterans by Education

LaborForceParticipation

65.9%

Labor Force Participation

64.5%

Employment Rate

2.1%

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

80.01%

Born in Carroll County, Iowa

98.24%

Native Born

1.76%

Foreign Born

0.74%

Non Citizen

1.02%

Naturalized

Place of Birth

98.24% of Carroll County, Iowa residents were born in the United States, with 80.01% having been born in Iowa. 0.74% 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