Washington County, Idaho Age & Gender Distribution (2024)
Population distribution by age and gender for Washington County, Idaho
Washington County, Idaho Age & Gender Statistics (2024)
Total Population
11,142
Median Age
45.0
Male Median
43.9
Female Median
45.7
Washington County, Idaho Population Growth
Washington County, Idaho Demographic Trend
Since 2010, the population of has changed by +10.3%%.
+10.3%% Growth
Washington County, Idaho Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Washington County, Idaho Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 45.0 | 11,142 |
| 2023 | 44.6 | 10,866 |
| 2022 | 44.7 | 10,612 |
| 2021 | 44.9 | 10,425 |
| 2020 | 45.0 | 10,128 |
| 2019 | 45.4 | 10,057 |
| 2018 | 45.4 | 10,025 |
| 2017 | 46.1 | 9,996 |
| 2016 | 44.6 | 10,035 |
| 2015 | 44.9 | 10,025 |
| 2014 | 44.3 | 10,068 |
| 2013 | 44.3 | 10,094 |
| 2012 | 44.0 | 10,144 |
| 2011 | 42.9 | 10,153 |
| 2010 | 42.9 | 10,105 |
Washington County, Idaho Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 17.0% |
| 18–24 | 7.4% |
| 25–34 | 9.4% |
| 35–54 | 21.5% |
| 55–64 | 12.9% |
| 65+ | 26.6% |
Dependency Ratios for Washington County, Idaho
- Total Dependency Ratio:
- 95.3
- Youth Dependency:
- 43.4
- Old-Age Dependency:
- 52.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Washington County, Idaho
The median age in Washington County, Idaho is 45.0 years.
According to latest Census data, the total population of Washington County, Idaho is 11,142.
In Washington County, Idaho, seniors (ages 65+) make up 26.6% of the population, while children under 18 represent 17.0%.
Based on historical data since 2010, the population in Washington County, Idaho is aging.