Buchanan County, Missouri Age & Gender Distribution (2024)
Population distribution by age and gender for Buchanan County, Missouri
Buchanan County, Missouri Age & Gender Statistics (2024)
Total Population
83,568
Median Age
38.9
Male Median
38.1
Female Median
40.0
Buchanan County, Missouri Population Growth
Buchanan County, Missouri Demographic Trend
Since 2010, the population of has changed by -5.2%%.
-5.2%% Growth
Buchanan County, Missouri Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Buchanan County, Missouri Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 38.9 | 83,568 |
| 2023 | 38.9 | 83,855 |
| 2022 | 38.6 | 84,544 |
| 2021 | 38.4 | 85,545 |
| 2020 | 38.3 | 87,904 |
| 2019 | 37.8 | 88,460 |
| 2018 | 37.4 | 89,076 |
| 2017 | 37.1 | 89,425 |
| 2016 | 36.9 | 89,415 |
| 2015 | 36.8 | 89,561 |
| 2014 | 36.8 | 89,536 |
| 2013 | 36.8 | 89,419 |
| 2012 | 36.6 | 89,162 |
| 2011 | 36.8 | 88,801 |
| 2010 | 37.1 | 88,195 |
Buchanan County, Missouri Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.9% |
| 5–17 | 16.4% |
| 18–24 | 9.3% |
| 25–34 | 12.9% |
| 35–54 | 24.9% |
| 55–64 | 13.1% |
| 65+ | 17.4% |
Dependency Ratios for Buchanan County, Missouri
- Total Dependency Ratio:
- 66.0
- Youth Dependency:
- 37.0
- Old-Age Dependency:
- 29.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Buchanan County, Missouri
The median age in Buchanan County, Missouri is 38.9 years.
According to latest Census data, the total population of Buchanan County, Missouri is 83,568.
In Buchanan County, Missouri, seniors (ages 65+) make up 17.4% of the population, while children under 18 represent 16.4%.
Based on historical data since 2010, the population in Buchanan County, Missouri is aging.