Whitman County, Washington Age & Gender Statistics (2024)

Total Population

47,003

Median Age

26.4

Male Median

26.9

Female Median

25.9

Whitman County, Washington Population Growth

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

Whitman County, Washington Demographic Trend

Since 2010, the population of has changed by +7.4%%.

+7.4%% Growth

Whitman County, Washington Age & Gender Pyramid

Population pyramid for

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


Whitman County, Washington Historical Population Data

YearMedian AgePopulation
202426.447,003
202326.147,042
202226.047,141
202125.048,197
202025.249,577
201924.749,231
201824.648,593
201724.547,794
201624.247,494
201524.246,737
201424.046,003
201324.045,512
201224.144,997
201124.144,200
201024.343,747

Whitman County, Washington Age Group Breakdown (2024)

Age CohortPercentage
Under 54.1%
5–1711.7%
18–2431.9%
25–3413.9%
35–5418.0%
55–648.4%
65+11.9%

Dependency Ratios for Whitman County, Washington

Total Dependency Ratio:
38.4
Youth Dependency:
21.9
Old-Age Dependency:
16.5

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



Age & Gender FAQs for Whitman County, Washington

The median age in Whitman County, Washington is 26.4 years.

According to latest Census data, the total population of Whitman County, Washington is 47,003.

In Whitman County, Washington, seniors (ages 65+) make up 11.9% of the population, while children under 18 represent 11.7%.

Based on historical data since 2010, the population in Whitman County, Washington is aging.
Back to Overview