US ZIP Code 18505 Age & Gender Statistics (2024)

Total Population

20,797

Median Age

40.0

Male Median

37.3

Female Median

42.0

US ZIP Code 18505 Population Growth

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

US ZIP Code 18505 Demographic Trend

Since 2021, the population of has changed by -3.9%%.

-3.9%% Growth

US ZIP Code 18505 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 18505 Historical Population Data

YearMedian AgePopulation
202440.020,797
202338.621,417
202237.221,588
202136.221,643

US ZIP Code 18505 Age Group Breakdown (2024)

Age CohortPercentage
Under 55.0%
5–1717.3%
18–2410.2%
25–3411.5%
35–5425.4%
55–6411.2%
65+19.4%

Dependency Ratios for US ZIP Code 18505

Total Dependency Ratio:
71.5
Youth Dependency:
38.2
Old-Age Dependency:
33.4

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 18505

The median age in US ZIP Code 18505 is 40.0 years.

According to latest Census data, the total population of US ZIP Code 18505 is 20,797.

In US ZIP Code 18505, seniors (ages 65+) make up 19.4% of the population, while children under 18 represent 17.3%.

Based on historical data since 2021, the population in US ZIP Code 18505 is aging.
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