Nodaway County, Missouri Age & Gender Distribution (2024)
Population distribution by age and gender for Nodaway County, Missouri
Nodaway County, Missouri Age & Gender Statistics (2024)
Total Population
20,774
Median Age
33.7
Male Median
33.1
Female Median
34.8
Nodaway County, Missouri Population Growth

Nodaway County, Missouri Demographic Trend
Since 2010, the population of has changed by -9.8%%.
-9.8%% Growth
Nodaway County, Missouri Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Nodaway County, Missouri Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 33.7 | 20,774 |
| 2023 | 33.9 | 20,959 |
| 2022 | 33.5 | 21,140 |
| 2021 | 29.9 | 21,571 |
| 2020 | 30.0 | 22,199 |
| 2019 | 29.7 | 22,359 |
| 2018 | 29.2 | 22,547 |
| 2017 | 29.0 | 22,744 |
| 2016 | 28.7 | 23,026 |
| 2015 | 28.3 | 23,186 |
| 2014 | 28.3 | 23,296 |
| 2013 | 28.3 | 23,347 |
| 2012 | 28.1 | 23,305 |
| 2011 | 28.2 | 23,185 |
| 2010 | 28.3 | 23,031 |
Nodaway County, Missouri Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.9% |
| 5–17 | 12.0% |
| 18–24 | 23.1% |
| 25–34 | 10.9% |
| 35–54 | 19.7% |
| 55–64 | 11.5% |
| 65+ | 17.8% |
Dependency Ratios for Nodaway County, Missouri
- Total Dependency Ratio:
- 53.4
- Youth Dependency:
- 26.1
- Old-Age Dependency:
- 27.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Nodaway County, Missouri
The median age in Nodaway County, Missouri is 33.7 years.
According to latest Census data, the total population of Nodaway County, Missouri is 20,774.
In Nodaway County, Missouri, seniors (ages 65+) make up 17.8% of the population, while children under 18 represent 12.0%.
Based on historical data since 2010, the population in Nodaway County, Missouri is aging.