Elmore County, Idaho Age & Gender Distribution (2024)
Population distribution by age and gender for Elmore County, Idaho
Elmore County, Idaho Age & Gender Statistics (2024)
Total Population
29,321
Median Age
33.1
Male Median
32.0
Female Median
35.1
Elmore County, Idaho Population Growth

Elmore County, Idaho Demographic Trend
Since 2010, the population of has changed by +9.9%%.
+9.9%% Growth
Elmore County, Idaho Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Elmore County, Idaho Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 33.1 | 29,321 |
| 2023 | 32.5 | 29,046 |
| 2022 | 32.3 | 28,752 |
| 2021 | 32.6 | 28,396 |
| 2020 | 31.8 | 27,043 |
| 2019 | 32.3 | 26,743 |
| 2018 | 31.9 | 26,433 |
| 2017 | 31.4 | 26,232 |
| 2016 | 31.1 | 26,103 |
| 2015 | 30.8 | 26,175 |
| 2014 | 30.7 | 26,349 |
| 2013 | 30.3 | 26,528 |
| 2012 | 30.3 | 26,655 |
| 2011 | 30.1 | 26,744 |
| 2010 | 29.5 | 26,669 |
Elmore County, Idaho Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 7.6% |
| 5–17 | 16.6% |
| 18–24 | 11.9% |
| 25–34 | 16.3% |
| 35–54 | 21.7% |
| 55–64 | 11.1% |
| 65+ | 14.8% |
Dependency Ratios for Elmore County, Idaho
- Total Dependency Ratio:
- 64.0
- Youth Dependency:
- 39.7
- Old-Age Dependency:
- 24.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Elmore County, Idaho
The median age in Elmore County, Idaho is 33.1 years.
According to latest Census data, the total population of Elmore County, Idaho is 29,321.
In Elmore County, Idaho, seniors (ages 65+) make up 14.8% of the population, while children under 18 represent 16.6%.
Based on historical data since 2010, the population in Elmore County, Idaho is aging.