Lewis County, Idaho Age & Gender Distribution (2024)
Population distribution by age and gender for Lewis County, Idaho
Lewis County, Idaho Age & Gender Statistics (2024)
Total Population
3,682
Median Age
49.0
Male Median
50.0
Female Median
48.7
Lewis County, Idaho Population Growth
Lewis County, Idaho Demographic Trend
Since 2010, the population of has changed by -2.1%%.
-2.1%% Growth
Lewis County, Idaho Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Lewis County, Idaho Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 49.0 | 3,682 |
| 2023 | 48.9 | 3,649 |
| 2022 | 49.1 | 3,630 |
| 2021 | 49.0 | 3,613 |
| 2020 | 48.7 | 3,850 |
| 2019 | 48.6 | 3,838 |
| 2018 | 48.3 | 3,845 |
| 2017 | 48.1 | 3,824 |
| 2016 | 47.9 | 3,826 |
| 2015 | 48.2 | 3,812 |
| 2014 | 48.4 | 3,822 |
| 2013 | 47.9 | 3,851 |
| 2012 | 47.7 | 3,818 |
| 2011 | 48.1 | 3,785 |
| 2010 | 47.6 | 3,761 |
Lewis County, Idaho Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.4% |
| 5–17 | 16.6% |
| 18–24 | 5.0% |
| 25–34 | 8.3% |
| 35–54 | 20.6% |
| 55–64 | 15.9% |
| 65+ | 28.3% |
Dependency Ratios for Lewis County, Idaho
- Total Dependency Ratio:
- 101.1
- Youth Dependency:
- 44.1
- Old-Age Dependency:
- 57.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Lewis County, Idaho
The median age in Lewis County, Idaho is 49.0 years.
According to latest Census data, the total population of Lewis County, Idaho is 3,682.
In Lewis County, Idaho, seniors (ages 65+) make up 28.3% of the population, while children under 18 represent 16.6%.
Based on historical data since 2010, the population in Lewis County, Idaho has remained stable.