Clayton County, Iowa Population 2024

16,881

Clayton County, Iowa's estimated 2024 population is 16,881 with a growth rate of -0.52% in the past year according to the most recent United States census data. Clayton County, Iowa is the 42nd largest county in Iowa. The 2010 population was 18,080 and has seen a growth of -6.63% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202916,441-88-0.53%
202816,529-88-0.53%
202716,617-88-0.53%
202616,705-88-0.52%
202516,793-88-0.52%
202416,881-88-0.52%
202316,969-88-0.52%
202217,05740.02%
202117,053200.12%
202017,033-464-2.65%
201917,497-18-0.1%
201817,515-132-0.75%
201717,647-10-0.06%
201617,657-69-0.39%
201517,726-45-0.25%
201417,771-22-0.12%
201317,793-154-0.86%
201217,947-72-0.4%
201118,019-61-0.34%
201018,08000%
199019,054-2,044-9.69%
198021,0984922.39%
197020,606-1,356-6.17%
196021,962-560-2.49%
195022,522-1,812-7.45%
194024,334-225-0.92%
193024,559-473-1.89%
192025,032-544-2.13%
191025,576-2,174-7.83%
190027,7501,0173.8%
189026,733-2,096-7.27%
188028,8291,0583.81%
187027,7717,04333.98%
186020,72816,855435.19%
18503,8732,772251.77%
18401,101-15,340-93.3%
2024 Growth Rate
-0.52% (-88)
County Website
Clayton County
State
Iowa
County Seat
Elkader
2020 Population
17,033
Area
778 mi²
Density
22 people/mi²
Growth Since 2020
-0.89% (-152)
Founded
1837

Population by Race

Race
Population
Percentage (of total)
White16,36895.89%
Two or more races4292.51%
Black or African American1120.66%
Other race940.55%
Asian530.31%
Native American130.08%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Clayton County, Iowa Population by Race

Clayton County, Iowa Population Pyramid 2024

Clayton County, Iowa Median Age

46.4

Total

46.3

Male

46.5

Female

Clayton County, Iowa Adults

There are 13,361 adults, (4,156 of whom are seniors) in Clayton County, Iowa.

Clayton County, Iowa Age Dependency

85.4

Age Dependency Ratio

45.1

Old Age Dependency Ratio

40.3

Child Dependency Ratio

Clayton County, Iowa Sex Ratio

Female8,45749.55%
Male8,61250.45%

Clayton County, Iowa Population by Age

Clayton County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All7,4062.2776.623.4
Married3,7232.8890.29.8
Non Family2,8461.2263.136.9
Female4782.8348.751.3
Male3593.4378.821.2

2.85

Average Family Size

2.27

Average Household Size

76.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Clayton County, Iowa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade6635.43%
Associates Degree1,41211.56%
Bachelors Degree1,41311.57%
Graduate Degree5104.17%
High School Graduate5,35643.84%
Less Than 9th Grade4603.77%
Some College2,40219.66%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Clayton County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White11,82210,7981,886
2+ Races20819024
Hispanic1841177
Other Race61314
Black57250
Asian33339
Native American11110

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 27.27%.

Clayton County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$60,147$94,076$45,000
Graduate Degree$61,111$51,344$73,173
High School Graduate$42,008$49,583$29,688
Less Than 9th Grade$40,996$42,335$29,500
Overall$45,801$55,609$36,530
Some College$45,000$60,367$36,545

$45,801

Average Earnings

$55,609

Average Male

$36,530

Average Female

Clayton County, Iowa Earnings by Educational Attainment

Clayton County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Clayton County, Iowa Language

93.17% of Clayton County, Iowa residents speak only English, while 6.83% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.48% of the population.

Clayton County, Iowa Language

Clayton County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White16,0132,09413.08%
Hispanic38115039.37%
Multiple4296615.38%
Other942223.4%
Black10898.33%
Native13538.46%

13.63%

Overall Poverty Rate

12.17%

Male Poverty Rate

15.11%

Female Poverty Rate

Poverty in Clayton County, Iowa

The race most likely to be in poverty in Clayton County, Iowa is Hispanic, with 39.37% below the poverty level.

The race least likely to be in poverty in Clayton County, Iowa is Black, with 8.33% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.57%. Among those working part-time, it was 15.87%, and for those that did not work, the poverty rate was 22.31%.

Clayton County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade24.22%
High School15.41%
Some College9.34%
Bachelors or Greater4.29%

Clayton County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed40.5%
Female Unemployed32%
Female Employed10.56%
Male Employed4.22%

Clayton County, Iowa Poverty Rate by Employment Status and Sex

Clayton County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$77,578$96,680
Households$62,326$81,457
Married Families$91,768$-999,999,999
Non Families$41,414$54,024

mean

median

Income by Household Type

Clayton County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.4%

Overall Marriage Rate

55.4%

Male Marriage Rate

55.4%

Female Marriage Rate

Clayton County, Iowa Married by Age and Sex

male

female

Clayton 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.

Clayton County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Clayton County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

997

Number of Veterans

929

Male Veterans

68

Female Veterans

War
Veterans
Vietnam397
First Gulf War140
Second Gulf War120
Korea81
World War II52

Clayton County, Iowa Veterans by War

count

Age Group
Veterans
75+396
65 to 74257
55 to 64164
35 to 54120
18 to 3460

Clayton County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White9677.51%
2+ Races259.92%
Hispanic125.06%
Native American327.27%
Black22.02%

Clayton County, Iowa Veterans by Race

Clayton County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.63%

Veteran Poverty Rate

38.47%

Veteran Disability Rate

Clayton County, Iowa Veterans by Education

LaborForceParticipation

62%

Labor Force Participation

60.3%

Employment Rate

2.6%

Unemployment Rate

Clayton County, Iowa Employment by Age

LaborForceParticipation

Clayton County, Iowa Employment by Race

LaborForceParticipation

Clayton 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

72.15%

Born in Clayton County, Iowa

97.94%

Native Born

2.06%

Foreign Born

0.92%

Non Citizen

1.14%

Naturalized

Place of Birth

97.94% of Clayton County, Iowa residents were born in the United States, with 72.15% having been born in Iowa. 0.92% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Clayton County, Iowa Place of Birth

Sources