US ZIP Code 01581 Age & Gender Statistics (2024)

Total Population

21,944

Median Age

38.8

Male Median

40.1

Female Median

38.1

US ZIP Code 01581 Population Growth

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

US ZIP Code 01581 Demographic Trend

Since 2021, the population of has changed by +3.4%%.

+3.4%% Growth

US ZIP Code 01581 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 01581 Historical Population Data

YearMedian AgePopulation
202438.821,944
202339.021,591
202238.921,360
202138.921,213

US ZIP Code 01581 Age Group Breakdown (2024)

Age CohortPercentage
Under 55.2%
5–1720.4%
18–245.6%
25–3412.1%
35–5431.2%
55–649.9%
65+15.5%

Dependency Ratios for US ZIP Code 01581

Total Dependency Ratio:
69.9
Youth Dependency:
43.6
Old-Age Dependency:
26.3

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 01581

The median age in US ZIP Code 01581 is 38.8 years.

According to latest Census data, the total population of US ZIP Code 01581 is 21,944.

In US ZIP Code 01581, seniors (ages 65+) make up 15.5% of the population, while children under 18 represent 20.4%.

Based on historical data since 2021, the population in US ZIP Code 01581 has remained stable.
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