US ZIP Code 21666 Age & Gender Statistics (2024)

Total Population

14,394

Median Age

46.0

Male Median

45.1

Female Median

47.4

US ZIP Code 21666 Population Growth

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

US ZIP Code 21666 Demographic Trend

Since 2021, the population of has changed by +4.8%%.

+4.8%% Growth

US ZIP Code 21666 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 21666 Historical Population Data

YearMedian AgePopulation
202446.014,394
202346.414,205
202244.414,193
202145.013,738

US ZIP Code 21666 Age Group Breakdown (2024)

Age CohortPercentage
Under 55.5%
5–1714.6%
18–247.7%
25–349.6%
35–5426.0%
55–6414.1%
65+22.5%

Dependency Ratios for US ZIP Code 21666

Total Dependency Ratio:
74.3
Youth Dependency:
35.0
Old-Age Dependency:
39.3

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 21666

The median age in US ZIP Code 21666 is 46.0 years.

According to latest Census data, the total population of US ZIP Code 21666 is 14,394.

In US ZIP Code 21666, seniors (ages 65+) make up 22.5% of the population, while children under 18 represent 14.6%.

Based on historical data since 2021, the population in US ZIP Code 21666 has remained stable.
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