Grant County, Washington Age & Gender Statistics (2024)

Total Population

101,799

Median Age

33.7

Male Median

33.3

Female Median

34.1

Grant County, Washington Population Growth

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

Grant County, Washington Demographic Trend

Since 2010, the population of has changed by +19.6%%.

+19.6%% Growth

Grant County, Washington Age & Gender Pyramid

Population pyramid for

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


Grant County, Washington Historical Population Data

YearMedian AgePopulation
202433.7101,799
202333.5100,428
202233.299,145
202133.297,874
202033.296,648
201932.995,502
201832.794,860
201732.693,420
201632.392,530
201532.292,070
201432.191,458
201332.090,202
201232.188,885
201132.387,179
201032.285,142

Grant County, Washington Age Group Breakdown (2024)

Age CohortPercentage
Under 57.1%
5–1721.2%
18–249.6%
25–3413.8%
35–5423.0%
55–6410.7%
65+14.6%

Dependency Ratios for Grant County, Washington

Total Dependency Ratio:
75.0
Youth Dependency:
49.5
Old-Age Dependency:
25.5

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



Age & Gender FAQs for Grant County, Washington

The median age in Grant County, Washington is 33.7 years.

According to latest Census data, the total population of Grant County, Washington is 101,799.

In Grant County, Washington, seniors (ages 65+) make up 14.6% of the population, while children under 18 represent 21.2%.

Based on historical data since 2010, the population in Grant County, Washington has remained stable.
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