Sebastian County, Arkansas Age & Gender Distribution (2024)
Population distribution by age and gender for Sebastian County, Arkansas
Sebastian County, Arkansas Age & Gender Statistics (2024)
Total Population
128,900
Median Age
38.0
Male Median
36.7
Female Median
39.0
Sebastian County, Arkansas Population Growth

Sebastian County, Arkansas Demographic Trend
Since 2010, the population of has changed by +4.1%%.
+4.1%% Growth
Sebastian County, Arkansas Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Sebastian County, Arkansas Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 38.0 | 128,900 |
| 2023 | 38.0 | 128,448 |
| 2022 | 38.0 | 128,184 |
| 2021 | 37.8 | 127,941 |
| 2020 | 37.9 | 127,670 |
| 2019 | 37.6 | 127,591 |
| 2018 | 37.5 | 127,461 |
| 2017 | 37.3 | 127,362 |
| 2016 | 37.1 | 127,351 |
| 2015 | 36.9 | 127,273 |
| 2014 | 36.9 | 126,801 |
| 2013 | 36.9 | 126,536 |
| 2012 | 36.6 | 125,795 |
| 2011 | 36.6 | 124,961 |
| 2010 | 36.5 | 123,847 |
Sebastian County, Arkansas Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.3% |
| 5–17 | 17.5% |
| 18–24 | 9.0% |
| 25–34 | 13.4% |
| 35–54 | 24.3% |
| 55–64 | 12.6% |
| 65+ | 17.0% |
Dependency Ratios for Sebastian County, Arkansas
- Total Dependency Ratio:
- 68.9
- Youth Dependency:
- 40.1
- Old-Age Dependency:
- 28.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Sebastian County, Arkansas
The median age in Sebastian County, Arkansas is 38.0 years.
According to latest Census data, the total population of Sebastian County, Arkansas is 128,900.
In Sebastian County, Arkansas, seniors (ages 65+) make up 17.0% of the population, while children under 18 represent 17.5%.
Based on historical data since 2010, the population in Sebastian County, Arkansas has remained stable.