Scott County, Iowa Age & Gender Statistics (2024)

Total Population

174,608

Median Age

39.4

Male Median

38.9

Female Median

39.9

Scott County, Iowa Population Growth

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

Scott County, Iowa Demographic Trend

Since 2010, the population of has changed by +7.7%%.

+7.7%% Growth

Scott County, Iowa Age & Gender Pyramid

Population pyramid for

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


Scott County, Iowa Historical Population Data

YearMedian AgePopulation
202439.4174,608
202339.0174,302
202238.7174,315
202138.7174,170
202038.4172,938
201938.3172,446
201838.3172,288
201738.1171,493
201637.7171,116
201537.6169,994
201437.5168,714
201337.4167,080
201237.4165,432
201137.5163,667
201037.4162,184

Scott County, Iowa Age Group Breakdown (2024)

Age CohortPercentage
Under 55.8%
5–1717.4%
18–248.5%
25–3412.6%
35–5425.5%
55–6412.7%
65+17.5%

Dependency Ratios for Scott County, Iowa

Total Dependency Ratio:
68.6
Youth Dependency:
39.0
Old-Age Dependency:
29.6

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



Age & Gender FAQs for Scott County, Iowa

The median age in Scott County, Iowa is 39.4 years.

According to latest Census data, the total population of Scott County, Iowa is 174,608.

In Scott County, Iowa, seniors (ages 65+) make up 17.5% of the population, while children under 18 represent 17.4%.

Based on historical data since 2010, the population in Scott County, Iowa is aging.
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