Fayette County, Iowa Age & Gender Statistics (2024)

Total Population

19,288

Median Age

43.9

Male Median

42.9

Female Median

46.0

Fayette County, Iowa Population Growth

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

Fayette County, Iowa Demographic Trend

Since 2010, the population of has changed by -8.1%%.

-8.1%% Growth

Fayette County, Iowa Age & Gender Pyramid

Population pyramid for

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


Fayette County, Iowa Historical Population Data

YearMedian AgePopulation
202443.919,288
202343.719,393
202243.419,519
202143.019,582
202043.819,604
201943.819,803
201843.619,929
201743.720,139
201643.120,391
201543.120,589
201443.020,693
201342.620,822
201242.320,894
201142.620,938
201042.420,992

Fayette County, Iowa Age Group Breakdown (2024)

Age CohortPercentage
Under 55.7%
5–1715.7%
18–248.7%
25–3410.5%
35–5421.1%
55–6415.4%
65+22.9%

Dependency Ratios for Fayette County, Iowa

Total Dependency Ratio:
79.6
Youth Dependency:
38.4
Old-Age Dependency:
41.2

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



Age & Gender FAQs for Fayette County, Iowa

The median age in Fayette County, Iowa is 43.9 years.

According to latest Census data, the total population of Fayette County, Iowa is 19,288.

In Fayette County, Iowa, seniors (ages 65+) make up 22.9% of the population, while children under 18 represent 15.7%.

Based on historical data since 2010, the population in Fayette County, Iowa has remained stable.
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