Washington County, Maine Age & Gender Statistics (2024)

Total Population

31,331

Median Age

48.6

Male Median

47.7

Female Median

49.8

Washington County, Maine Population Growth

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

Washington County, Maine Demographic Trend

Since 2010, the population of has changed by -5.5%%.

-5.5%% Growth

Washington County, Maine Age & Gender Pyramid

Population pyramid for

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


Washington County, Maine Historical Population Data

YearMedian AgePopulation
202448.631,331
202348.631,261
202248.631,096
202148.431,003
202048.531,378
201948.131,491
201848.031,694
201747.631,822
201647.331,925
201546.832,191
201446.532,397
201346.232,621
201245.932,832
201145.533,015
201045.033,154

Washington County, Maine Age Group Breakdown (2024)

Age CohortPercentage
Under 54.6%
5–1713.9%
18–247.1%
25–349.6%
35–5422.5%
55–6415.9%
65+26.3%

Dependency Ratios for Washington County, Maine

Total Dependency Ratio:
81.4
Youth Dependency:
33.6
Old-Age Dependency:
47.8

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



Age & Gender FAQs for Washington County, Maine

The median age in Washington County, Maine is 48.6 years.

According to latest Census data, the total population of Washington County, Maine is 31,331.

In Washington County, Maine, seniors (ages 65+) make up 26.3% of the population, while children under 18 represent 13.9%.

Based on historical data since 2010, the population in Washington County, Maine is aging.
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