Clinton County, Iowa Population 2024

46,061

Clinton County, Iowa's estimated 2024 population is 46,061 with a growth rate of -0.21% in the past year according to the most recent United States census data. Clinton County, Iowa is the 12th largest county in Iowa. The 2010 population was 49,091 and has seen a growth of -6.17% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202945,576-97-0.21%
202845,673-97-0.21%
202745,770-97-0.21%
202645,867-97-0.21%
202545,964-97-0.21%
202446,061-97-0.21%
202346,158-97-0.21%
202246,255-228-0.49%
202146,483560.12%
202046,427-132-0.28%
201946,559530.11%
201846,506-420-0.9%
201746,926-359-0.76%
201647,285-308-0.65%
201547,593-328-0.68%
201447,921-376-0.78%
201348,297-414-0.85%
201248,711-394-0.8%
201149,105140.03%
201049,09100%
199051,040-6,082-10.65%
198057,1223730.66%
197056,7491,6893.07%
196055,0605,39610.87%
195049,6644,94211.05%
194044,7223450.78%
193044,3771,0062.32%
192043,371-2,023-4.46%
191045,3941,5623.56%
190043,8322,6336.39%
189041,1994,43612.07%
188036,7631,4063.98%
187035,35716,41986.7%
186018,93816,116571.08%
18502,8222,001243.73%
1840821-44,755-98.2%
2024 Growth Rate
-0.21% (-97)
County Website
Clinton County
State
Iowa
County Seat
Clinton
2020 Population
46,427
Area
695 mi²
Density
66 people/mi²
Growth Since 2020
-0.79% (-366)
Founded
1837

Population by Race

Race
Population
Percentage (of total)
White41,89790.33%
Two or more races2,5015.39%
Black or African American1,3572.93%
Asian3500.75%
Other race1720.37%
Native American1060.23%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Clinton County, Iowa Population by Race

Clinton County, Iowa Population Pyramid 2024

Clinton County, Iowa Median Age

42.5

Total

41.8

Male

42.9

Female

Clinton County, Iowa Adults

There are 35,851 adults, (9,301 of whom are seniors) in Clinton County, Iowa.

Clinton County, Iowa Age Dependency

74.7

Age Dependency Ratio

35

Old Age Dependency Ratio

39.7

Child Dependency Ratio

Clinton County, Iowa Sex Ratio

Female23,53350.74%
Male22,85049.26%

Clinton County, Iowa Population by Age

Clinton County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All19,4342.3573.126.9
Married9,2842.9392.67.4
Non Family7,1711.1856.443.6
Female1,9973.0847.752.3
Male9823.9463.236.8

2.92

Average Family Size

2.35

Average Household Size

73.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Clinton County, Iowa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,8495.74%
Associates Degree4,15812.9%
Bachelors Degree5,03515.62%
Graduate Degree2,0876.48%
High School Graduate11,66836.21%
Less Than 9th Grade5151.6%
Some College6,91521.46%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Clinton County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White29,78927,9646,774
2+ Races1,1241,029233
Hispanic757651107
Black68732247
Asian31528557
Other Race120853
Native American42411

The highest rate of high school graduation is among native american people with a rate of 97.62%.

The highest rate of bachelors degrees is among white people with a rate of 22.74%.

Clinton County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$47,757$70,639$39,204
Graduate Degree$87,758$97,835$76,471
High School Graduate$39,828$51,308$30,938
Less Than 9th Grade$27,094$36,378$19,398
Overall$46,399$60,526$36,678
Some College$47,743$64,539$35,058

$46,399

Average Earnings

$60,526

Average Male

$36,678

Average Female

Clinton County, Iowa Earnings by Educational Attainment

Clinton County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Clinton County, Iowa Language

97.13% of Clinton County, Iowa residents speak only English, while 2.87% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.17% of the population.

Clinton County, Iowa Language

Clinton County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White40,6054,77511.76%
Black1,35083161.56%
Multiple2,4182389.84%
Hispanic1,60019912.44%
Other1721810.47%
Asian348123.45%

13.14%

Overall Poverty Rate

10.6%

Male Poverty Rate

15.61%

Female Poverty Rate

Poverty in Clinton County, Iowa

The race most likely to be in poverty in Clinton County, Iowa is Black, with 61.56% below the poverty level.

The race least likely to be in poverty in Clinton County, Iowa is Asian, with 3.45% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2%. Among those working part-time, it was 17.55%, and for those that did not work, the poverty rate was 19.94%.

Clinton County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade34.4%
High School12.34%
Some College9.18%
Bachelors or Greater3.53%

Clinton County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed26.27%
Male Unemployed17.22%
Female Employed9.3%
Male Employed4.47%

Clinton County, Iowa Poverty Rate by Employment Status and Sex

Clinton County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$86,194$102,489
Households$65,177$85,010
Married Families$99,879$118,976
Non Families$37,618$51,677

mean

median

Income by Household Type

Clinton County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.7%

Overall Marriage Rate

52.0%

Male Marriage Rate

51.4%

Female Marriage Rate

Clinton County, Iowa Married by Age and Sex

male

female

Clinton County, Iowa Marriage

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

Clinton County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Clinton County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,133

Number of Veterans

2,867

Male Veterans

266

Female Veterans

War
Veterans
Vietnam1,328
First Gulf War619
Second Gulf War506
Korea214
World War II23

Clinton County, Iowa Veterans by War

count

Age Group
Veterans
65 to 74962
75+784
35 to 54720
55 to 64529
18 to 34138

Clinton County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White2,9589%
2+ Races1339.64%
Hispanic606.67%
Black282.83%
Other Race138.78%
Asian10.32%

Clinton County, Iowa Veterans by Race

Clinton County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.16%

Veteran Poverty Rate

29.73%

Veteran Disability Rate

Clinton County, Iowa Veterans by Education

LaborForceParticipation

61.2%

Labor Force Participation

58.6%

Employment Rate

3.8%

Unemployment Rate

Clinton County, Iowa Employment by Age

LaborForceParticipation

Clinton County, Iowa Employment by Race

LaborForceParticipation

Clinton 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

73.58%

Born in Clinton County, Iowa

98.1%

Native Born

1.9%

Foreign Born

0.77%

Non Citizen

1.13%

Naturalized

Place of Birth

98.1% of Clinton County, Iowa residents were born in the United States, with 73.58% having been born in Iowa. 0.77% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Clinton County, Iowa Place of Birth

Sources