US ZIP Code 15666 Age & Gender Statistics (2024)

Total Population

15,980

Median Age

50.2

Male Median

50.3

Female Median

49.9

US ZIP Code 15666 Population Growth

Population trends in
Figure 1: Annual population growth trend for (2021–2024).

US ZIP Code 15666 Demographic Trend

Since 2021, the population of has changed by +6.4%%.

+6.4%% Growth

US ZIP Code 15666 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 15666 Historical Population Data

YearMedian AgePopulation
202450.215,980
202349.315,420
202249.615,592
202149.815,017

US ZIP Code 15666 Age Group Breakdown (2024)

Age CohortPercentage
Under 52.8%
5–1714.4%
18–246.4%
25–3410.2%
35–5424.8%
55–6417.9%
65+23.7%

Dependency Ratios for US ZIP Code 15666

Total Dependency Ratio:
69.0
Youth Dependency:
29.0
Old-Age Dependency:
40.0

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



Age & Gender FAQs for US ZIP Code 15666

The median age in US ZIP Code 15666 is 50.2 years.

According to latest Census data, the total population of US ZIP Code 15666 is 15,980.

In US ZIP Code 15666, seniors (ages 65+) make up 23.7% of the population, while children under 18 represent 14.4%.

Based on historical data since 2021, the population in US ZIP Code 15666 has remained stable.
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