Clinton County, Iowa Population 2021

Clinton County, Iowa's estimated population is 46,413 with a growth rate of -0.02% in the past year according to the most recent United States census data. Clinton County, Iowa is the 13th largest county inIowa. The 2010 Population was 49,096 and has seen a growth of -5.46% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202146,413-8-0.02%
202046,421-8-0.02%
201946,429-8-0.02%
201846,437-437-0.93%
201746,874-374-0.79%
201647,248-310-0.65%
201547,558-337-0.70%
201447,895-386-0.80%
201348,281-420-0.86%
201248,701-401-0.82%
201149,10260.01%
201049,096-1,944-3.81%
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%
2021 Growth Rate
-0.02% (-8)
County Website
State
Founded
1837
County Seat
2010 Population
49,096
Growth Since 2010
-5.46% (-2,683)
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Clinton County, Iowa Population Growth

Population by Race

Race Population Percentage
White43,92193.63%
Black or African American1,3202.81%
Two or More Races1,0872.32%
Asian3260.69%
American Indian and Alaska Native1410.30%
Some Other Race1120.24%
Native Hawaiian and Other Pacific Islander20.00%
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Clinton County, Iowa Population by Race

Clinton County, Iowa Population Pyramid $2021

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Clinton County, Iowa Median Age

42.2


Total

41.5


Male

42.9


Female

Clinton County, Iowa Adults

There are 36,220 adults, (9,057 of whom are seniors) in Clinton County, Iowa.

Clinton County, Iowa Age Dependency

72.7

Age Dependency Ratio

33.3

Old Age Dependency Ratio

39.4

Child Dependency Ratio

Clinton County, Iowa Sex Ratio

Female

23,951

51.06%

Male

22,958

48.94%

Clinton County, Iowa Population by Age

Clinton County, Iowa Renter vs Owner Occupied by Household Type

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Clinton County, Iowa Household Types

Type Owner Renter
Female51.3%48.7%
Non Family57.7%42.3%
All73.3%26.7%
Male80.6%19.4%
Married89.8%10.2%

73.3%

Rate of Home Ownership

Clinton County, Iowa Households and Families

Type Count Average Size Owned
All19,6352.3573.3
Married9,3442.9189.8
Non Family7,3441.2657.7
Female2,1143.2651.3
Male8333.2580.6

2.89

Average Family Size

2.35

Average Household Size

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Clinton County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade8862.71%
9th to 12th Grade2,0846.38%
High School Graduate12,65438.76%
Some College7,26122.24%
Associates Degree3,91611.99%
Bachelors Degree4,03712.36%
Graduate Degree1,8125.55%
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Clinton County, Iowa Educational Attainment by Sex (over 25)

Clinton County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
White30,60328,0905,532
Black72452186
Hispanic71448777
2+ Races30029424
Asian20418371
Native American14114159
Other Race23126
Islander22

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

The highest rate of bachelors degrees is among native american people with a rate of 41.84%.

Clinton County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$36,887$48,464$29,431
Less Than 9th Grade$30,619$41,250$21,968
High School Graduate$33,078$42,131$24,432
Some College$36,016$51,245$28,117
Bachelors Degree$43,125$66,458$34,383
Graduate Degree$63,409$77,125$56,324

$36,887

Average Earnings

$48,464

Average Male

$29,431

Average Female

Clinton County, Iowa Earnings by Educational Attainment

Clinton County, Iowa Language by Age

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Clinton County, Iowa Language

98.15% of Clinton County, Iowa residents speak only English, while 1.85% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.91% of the population.

Clinton County, Iowa Language

Clinton County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White41,7184,78211.46%
Black1,30257944.47%
Hispanic1,46040527.74%
Multiple1,02821320.72%
Asian3173410.73%
Native1412618.44%
Other112119.82%

13.08%

Overall Poverty Rate

11.44%

Male Poverty Rate

14.66%

Female Poverty Rate

Poverty in Clinton County, Iowa

The race most likely to be in poverty in Clinton County, Iowa is Black, with 44.47% below the poverty level.

The race least likely to be in poverty in Clinton County, Iowa is Other, with 9.82% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.16%. Among those working part-time, it was 17.19%, and for those that did not work, the poverty rate was 21.16%.

Clinton County, Iowa Poverty

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Name Poverty
Less Than 9th Grade30.97%
High School12.15%
Some College8.71%
Bachelors or Greater3.76%

Clinton County, Iowa Poverty Rate by Education

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Rate Poverty
Male Unemployed37.77%
Female Unemployed35.01%
Female Employed9.12%
Male Employed4.01%

Clinton County, Iowa Poverty Rate by Employment Status and Sex

Clinton County, Iowa Income by Household Type

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Name Median Mean
Households$51,688$66,565
Families$68,147$80,693
Married Families$80,064$92,575
Non Families$30,327$39,856
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Income by Household Type

Clinton County, Iowa Marital Status

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Marriage Rates

50.4%

Overall Marriage Rate

52.4%

Male Marriage Rate

48.5%

Female Marriage Rate

Clinton County, Iowa Married by Age and Sex

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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

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Clinton County, Iowa Marital Status

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3,555

Number of Veterans

3,301

Male Veterans

254

Female Veterans

War Veterans
Vietnam1,382
Second Gulf War590
First Gulf War475
Korea413
World War II144

Clinton County, Iowa Veterans by War

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Age Group Veterans
65 to 741,041
75+967
35 to 54740
55 to 64574
18 to 34233

Clinton County, Iowa Veterans by Age

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Name Veterans % of Total
White3,3769.81%
Black9910.14%
Hispanic9411.35%
2+ Races6013.73%
Native American2014.18%

Clinton County, Iowa Veterans by Race

Clinton County, Iowa Veterans by Education

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8.42%

Veteran Poverty Rate

28.89%

Veteran Disability Rate

Clinton County, Iowa Veterans by Education

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62%

Labor Force Participation

59.2%

Employment Rate

4.5%

Unemployment Rate

Clinton County, Iowa Employment by Age

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Clinton County, Iowa Employment by Race

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Clinton County, Iowa Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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74.62%

Born in Clinton County, Iowa

98.59%

Native Born

1.41%

Foreign Born

0.67%

Non Citizen

0.74%

Naturalized

Place of Birth

98.59% of Clinton County, Iowa residents were born in the United States, with 74.62% having been born in Iowa. 0.67% 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

  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

Sources