Osage County, Missouri Age & Gender Distribution (2024)
Population distribution by age and gender for Osage County, Missouri
Osage County, Missouri Age & Gender Statistics (2024)
Total Population
13,402
Median Age
41.1
Male Median
41.2
Female Median
41.0
Osage County, Missouri Population Growth

Osage County, Missouri Demographic Trend
Since 2010, the population of has changed by -2.7%%.
-2.7%% Growth
Osage County, Missouri Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Osage County, Missouri Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.1 | 13,402 |
| 2023 | 40.8 | 13,379 |
| 2022 | 41.4 | 13,374 |
| 2021 | 41.1 | 13,372 |
| 2020 | 41.3 | 13,613 |
| 2019 | 40.8 | 13,615 |
| 2018 | 40.3 | 13,619 |
| 2017 | 40.1 | 13,610 |
| 2016 | 40.0 | 13,704 |
| 2015 | 39.8 | 13,758 |
| 2014 | 39.6 | 13,812 |
| 2013 | 39.8 | 13,842 |
| 2012 | 39.2 | 13,857 |
| 2011 | 39.4 | 13,816 |
| 2010 | 39.6 | 13,768 |
Osage County, Missouri Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.6% |
| 5–17 | 17.1% |
| 18–24 | 9.7% |
| 25–34 | 11.2% |
| 35–54 | 23.7% |
| 55–64 | 14.4% |
| 65+ | 18.3% |
Dependency Ratios for Osage County, Missouri
- Total Dependency Ratio:
- 69.4
- Youth Dependency:
- 38.5
- Old-Age Dependency:
- 31.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Osage County, Missouri
The median age in Osage County, Missouri is 41.1 years.
According to latest Census data, the total population of Osage County, Missouri is 13,402.
In Osage County, Missouri, seniors (ages 65+) make up 18.3% of the population, while children under 18 represent 17.1%.
Based on historical data since 2010, the population in Osage County, Missouri has remained stable.