Waldo County, Maine Age & Gender Statistics (2024)

Total Population

40,192

Median Age

47.4

Male Median

46.5

Female Median

48.4

Waldo County, Maine Population Growth

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

Waldo County, Maine Demographic Trend

Since 2010, the population of has changed by +3.7%%.

+3.7%% Growth

Waldo County, Maine Age & Gender Pyramid

Population pyramid for

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


Waldo County, Maine Historical Population Data

YearMedian AgePopulation
202447.440,192
202346.940,006
202247.039,772
202146.539,618
202046.239,723
201946.239,539
201846.239,418
201745.739,280
201645.439,071
201545.038,976
201444.838,904
201344.438,819
201244.238,761
201143.638,737
201043.338,740

Waldo County, Maine Age Group Breakdown (2024)

Age CohortPercentage
Under 54.3%
5–1713.5%
18–247.1%
25–3410.3%
35–5424.5%
55–6415.3%
65+25.1%

Dependency Ratios for Waldo County, Maine

Total Dependency Ratio:
74.9
Youth Dependency:
31.0
Old-Age Dependency:
43.9

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



Age & Gender FAQs for Waldo County, Maine

The median age in Waldo County, Maine is 47.4 years.

According to latest Census data, the total population of Waldo County, Maine is 40,192.

In Waldo County, Maine, seniors (ages 65+) make up 25.1% of the population, while children under 18 represent 13.5%.

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