Walla Walla County, Washington Age & Gender Statistics (2024)

Total Population

62,161

Median Age

38.5

Male Median

37.8

Female Median

39.6

Walla Walla County, Washington Population Growth

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

Walla Walla County, Washington Demographic Trend

Since 2010, the population of has changed by +7.9%%.

+7.9%% Growth

Walla Walla County, Washington Age & Gender Pyramid

Population pyramid for

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


Walla Walla County, Washington Historical Population Data

YearMedian AgePopulation
202438.562,161
202338.362,102
202238.062,150
202137.562,168
202037.560,785
201937.560,365
201837.160,236
201737.359,862
201637.359,809
201536.959,726
201436.759,476
201337.059,092
201237.058,643
201136.558,154
201036.957,585

Walla Walla County, Washington Age Group Breakdown (2024)

Age CohortPercentage
Under 54.9%
5–1715.7%
18–2413.2%
25–3412.0%
35–5422.8%
55–6411.6%
65+20.0%

Dependency Ratios for Walla Walla County, Washington

Total Dependency Ratio:
68.2
Youth Dependency:
34.6
Old-Age Dependency:
33.6

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



Age & Gender FAQs for Walla Walla County, Washington

The median age in Walla Walla County, Washington is 38.5 years.

According to latest Census data, the total population of Walla Walla County, Washington is 62,161.

In Walla Walla County, Washington, seniors (ages 65+) make up 20.0% of the population, while children under 18 represent 15.7%.

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