Skamania County, Washington Age & Gender Statistics (2024)

Total Population

12,402

Median Age

48.5

Male Median

49.3

Female Median

47.7

Skamania County, Washington Population Growth

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

Skamania County, Washington Demographic Trend

Since 2010, the population of has changed by +14.1%%.

+14.1%% Growth

Skamania County, Washington Age & Gender Pyramid

Population pyramid for

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


Skamania County, Washington Historical Population Data

YearMedian AgePopulation
202448.512,402
202348.612,276
202246.612,118
202146.611,973
202047.011,906
201946.611,753
201846.311,620
201746.011,498
201645.411,316
201545.211,243
201445.011,194
201344.911,126
201244.511,053
201143.810,979
201043.110,869

Skamania County, Washington Age Group Breakdown (2024)

Age CohortPercentage
Under 53.6%
5–1713.2%
18–246.0%
25–349.7%
35–5426.4%
55–6416.7%
65+24.4%

Dependency Ratios for Skamania County, Washington

Total Dependency Ratio:
70.0
Youth Dependency:
28.5
Old-Age Dependency:
41.4

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



Age & Gender FAQs for Skamania County, Washington

The median age in Skamania County, Washington is 48.5 years.

According to latest Census data, the total population of Skamania County, Washington is 12,402.

In Skamania County, Washington, seniors (ages 65+) make up 24.4% of the population, while children under 18 represent 13.2%.

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