Sullivan County, New York Age & Gender Distribution (2024)
Population distribution by age and gender for Sullivan County, New York
Sullivan County, New York Age & Gender Statistics (2024)
Total Population
79,721
Median Age
41.7
Male Median
41.4
Female Median
41.9
Sullivan County, New York Population Growth

Sullivan County, New York Demographic Trend
Since 2010, the population of has changed by +2.7%%.
+2.7%% Growth
Sullivan County, New York Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Sullivan County, New York Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.7 | 79,721 |
| 2023 | 41.7 | 79,147 |
| 2022 | 41.9 | 78,725 |
| 2021 | 42.3 | 78,230 |
| 2020 | 42.8 | 75,329 |
| 2019 | 42.8 | 75,116 |
| 2018 | 42.9 | 75,211 |
| 2017 | 42.6 | 75,783 |
| 2016 | 42.5 | 75,818 |
| 2015 | 42.2 | 76,330 |
| 2014 | 41.8 | 76,892 |
| 2013 | 41.7 | 77,134 |
| 2012 | 41.8 | 77,340 |
| 2011 | 41.5 | 77,553 |
| 2010 | 41.2 | 77,625 |
Sullivan County, New York Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.0% |
| 5–17 | 15.4% |
| 18–24 | 8.1% |
| 25–34 | 12.0% |
| 35–54 | 24.7% |
| 55–64 | 14.5% |
| 65+ | 19.3% |
Dependency Ratios for Sullivan County, New York
- Total Dependency Ratio:
- 68.6
- Youth Dependency:
- 36.2
- Old-Age Dependency:
- 32.5
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Sullivan County, New York
The median age in Sullivan County, New York is 41.7 years.
According to latest Census data, the total population of Sullivan County, New York is 79,721.
In Sullivan County, New York, seniors (ages 65+) make up 19.3% of the population, while children under 18 represent 15.4%.
Based on historical data since 2010, the population in Sullivan County, New York has remained stable.