Clinton County, Iowa Population 2020

Clinton County, Iowa's estimated population is 46,902 with a growth rate of -0.69% in the past year according to the most recent United States census data. Clinton County, Iowa is the 12th largest county in Iowa.

Year Population Growth Growth Rate
201846,518-384-0.82%
201746,902-326-0.69%
201647,228-322-0.68%
201547,550-344-0.72%
201447,894-385-0.80%
201348,279-419-0.86%
201248,698-395-0.80%
201149,093-4-0.01%
201049,097-1,943-3.81%
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%
187035,35716,41986.70%
186018,93816,116571.08%
18502,8222,001243.73%
18408210.00%

How Many People Live in Clinton County, Iowa?

46,902

Clinton County, Iowa Population Growth

Population by Race

Race Population Percentage
White44,27593.77%
Black or African American1,2622.67%
Two or More Races1,0072.13%
Asian3430.73%
American Indian and Alaska Native1710.36%
Some Other Race1580.33%
Native Hawaiian and Other Pacific Islander20.00%

Clinton County, Iowa Population Pyramid 2020

Clinton County, Iowa Median Age

42.2


Total

40.9


Male

43.7


Female

Clinton County, Iowa Adults

There are 36,444 adults, (9,002 of whom are seniors) in Clinton County, Iowa.

Clinton County, Iowa Age Dependency

72.1

Age Dependency Ratio

32.8

Old Age Dependency Ratio

39.3

Child Dependency Ratio

Clinton County, Iowa Sex Ratio

Female

24,092

51.02%

Male

23,126

48.98%

Clinton County, Iowa Households and Families

Clinton County, Iowa Renter vs Owner Occupied by Household Type

Clinton County, Iowa Household Types

Type Owner Renter
Married91.1%8.9%
Male77.1%22.9%
All74.2%25.8%
Non Family58%42%
Female51.6%48.4%

74.2%

Rate of Home Ownership

Type Count Average Size Owned
All19,6892.3574.2
Married9,5272.9191.1
Non Family7,3121.2758
Female1,9983.2451.6
Male8523.3677.1

2.89

Average Family Size

2.35

Average Household Size

7%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Clinton County, Iowa Education

Education Attained Count Percentage
Less Than 9th Grade9102.78%
9th to 12th Grade2,0146.16%
High School Graduate12,17037.20%
Some College7,65323.39%
Associates Degree3,73611.42%
Bachelors Degree4,28213.09%
Graduate Degree1,9535.97%

Clinton County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White30,77628,3645,852
Black70147868
Hispanic657434120
Asian22419889
Multiple Races19919718
Native American17113388
Other Race641412
Islander22

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 51.46%.

Name Average Male Female
Overall$36,472$47,071$28,120
Less Than High School$28,648$34,964$21,370
High School Grad$32,816$41,214$21,986
Some College$33,460$50,545$26,811
Bachelors Degree$45,699$64,701$38,261
Graduate Degree$59,519$73,153$55,659

$36,472

Average Earnings

$47,071

Average Male

$28,120

Average Female

Clinton County, Iowa Language

Clinton County, Iowa Language by Age

Clinton County, Iowa Language

97.61% of Clinton County, Iowa residents speak only English, while 2.39% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.18% of the population.

Clinton County, Iowa Poverty

Clinton County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White42,1084,44410.55%
Black1,23155645.17%
Hispanic1,43938626.82%
Multiple93125126.96%
Native1715230.41%
Asian3385115.09%
Other158127.59%

12.33%

Overall Poverty Rate

10.62%

Male Poverty Rate

13.99%

Female Poverty Rate

Poverty in Clinton County, Iowa

The race most likely to be in poverty in Clinton County, Iowa is Black, with 45.17% below the poverty level.

The race least likely to be in poverty in Clinton County, Iowa is Other, with 7.59% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.26%. Among those working part-time, it was 15.86%, and for those that did not work, the poverty rate was 20.22%.

Name Poverty
Less Than High School28.49%
High School11.21%
Some College7.85%
Bachelors or Greater3.89%
Name Poverty
Female Unemployed36.66%
Male Unemployed35.31%
Female Employed8.84%
Male Employed3.20%

Clinton County, Iowa Income

Clinton County, Iowa Income by Household Type

Name Median Mean
Households$50,156$65,667
Families$67,549$80,748
Married Families$80,705-
Non Families$29,735$37,570

Clinton County, Iowa Marital Status

Clinton County, Iowa Marital Status

Marriage Rates

50.7%

Overall Marriage Rate

52.7%

Male Marriage Rate

48.8%

Female Marriage Rate

Clinton County, Iowa Married by Age and Sex

Clinton 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 45-54.

Clinton County, Iowa Marital Status by Race

Clinton County, Iowa Veterans

3,817

Number of Veterans

3,574

Male Veterans

243

Female Veterans

War Veterans
Vietnam1,390
Second Gulf War609
First Gulf War512
Korea457
World War II181
Name Veterans % of Total
White3,65210.53%
Hispanic13216.36%
Black838.95%
2 or More5115.55%
Indian3118.13%

$Clinton County, Iowa Veterans by Education

7.05%

Veteran Poverty Rate

26.94%

Veteran Disability Rate

Clinton County, Iowa Employment Status

63%

Labor Force Participation

60.2%

Employment Rate

4.4%

Unemployment Rate

Clinton County, Iowa Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

74.25%

Born in Iowa

98.25%

Native Born

1.75%

Foreign Born

1.04%

Non Citizen

Place of Birth

98.25% of Clinton County, Iowa residents were born in the United States, with 74.25% having been born in Iowa. 1.04% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990