Grant County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Grant County, Washington
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

Grant County, Washington Demographic Trend
Since 2010, the population of has changed by +19.6%%.
+19.6%% Growth
Grant County, Washington Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Grant County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 33.7 | 101,799 |
| 2023 | 33.5 | 100,428 |
| 2022 | 33.2 | 99,145 |
| 2021 | 33.2 | 97,874 |
| 2020 | 33.2 | 96,648 |
| 2019 | 32.9 | 95,502 |
| 2018 | 32.7 | 94,860 |
| 2017 | 32.6 | 93,420 |
| 2016 | 32.3 | 92,530 |
| 2015 | 32.2 | 92,070 |
| 2014 | 32.1 | 91,458 |
| 2013 | 32.0 | 90,202 |
| 2012 | 32.1 | 88,885 |
| 2011 | 32.3 | 87,179 |
| 2010 | 32.2 | 85,142 |
Grant County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 7.1% |
| 5–17 | 21.2% |
| 18–24 | 9.6% |
| 25–34 | 13.8% |
| 35–54 | 23.0% |
| 55–64 | 10.7% |
| 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.