Clinton County, Iowa Age & Gender Statistics (2024)

Total Population

46,268

Median Age

42.4

Male Median

42.0

Female Median

42.7

Clinton County, Iowa Population Growth

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Clinton County, Iowa Demographic Trend

Since 2010, the population of has changed by -6.1%%.

-6.1%% Growth

Clinton County, Iowa Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Clinton County, Iowa Historical Population Data

YearMedian AgePopulation
202442.446,268
202342.546,383
202242.546,488
202142.546,589
202042.846,734
201942.246,909
201842.247,218
201742.247,587
201642.247,972
201542.148,365
201442.248,663
201341.848,896
201241.649,074
201141.149,185
201041.149,274

Clinton County, Iowa Age Group Breakdown (2024)

Age CohortPercentage
Under 55.6%
5–1717.2%
18–247.4%
25–3410.9%
35–5423.8%
55–6414.7%
65+20.3%

Dependency Ratios for Clinton County, Iowa

Total Dependency Ratio:
75.9
Youth Dependency:
40.2
Old-Age Dependency:
35.6

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Clinton County, Iowa

The median age in Clinton County, Iowa is 42.4 years.

According to latest Census data, the total population of Clinton County, Iowa is 46,268.

In Clinton County, Iowa, seniors (ages 65+) make up 20.3% of the population, while children under 18 represent 17.2%.

Based on historical data since 2010, the population in Clinton County, Iowa has remained stable.
Back to Overview