Polk County, Tennessee Age & Gender Distribution (2024)
Population distribution by age and gender for Polk County, Tennessee
Polk County, Tennessee Age & Gender Statistics (2024)
Total Population
17,898
Median Age
46.9
Male Median
46.7
Female Median
47.1
Polk County, Tennessee Population Growth
Polk County, Tennessee Demographic Trend
Since 2010, the population of has changed by +7.2%%.
+7.2%% Growth
Polk County, Tennessee Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Polk County, Tennessee Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 46.9 | 17,898 |
| 2023 | 46.2 | 17,702 |
| 2022 | 46.3 | 17,620 |
| 2021 | 46.1 | 17,502 |
| 2020 | 46.3 | 16,807 |
| 2019 | 45.6 | 16,814 |
| 2018 | 45.3 | 16,782 |
| 2017 | 44.9 | 16,722 |
| 2016 | 44.6 | 16,697 |
| 2015 | 44.0 | 16,687 |
| 2014 | 43.1 | 16,715 |
| 2013 | 43.1 | 16,723 |
| 2012 | 42.5 | 16,756 |
| 2011 | 41.8 | 16,740 |
| 2010 | 41.6 | 16,690 |
Polk County, Tennessee Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.5% |
| 5–17 | 14.3% |
| 18–24 | 7.0% |
| 25–34 | 11.0% |
| 35–54 | 26.0% |
| 55–64 | 16.1% |
| 65+ | 21.0% |
Dependency Ratios for Polk County, Tennessee
- Total Dependency Ratio:
- 66.1
- Youth Dependency:
- 31.1
- Old-Age Dependency:
- 34.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Polk County, Tennessee
The median age in Polk County, Tennessee is 46.9 years.
According to latest Census data, the total population of Polk County, Tennessee is 17,898.
In Polk County, Tennessee, seniors (ages 65+) make up 21.0% of the population, while children under 18 represent 14.3%.
Based on historical data since 2010, the population in Polk County, Tennessee is aging.