Belknap County, New Hampshire Age & Gender Distribution (2024)
Population distribution by age and gender for Belknap County, New Hampshire
Belknap County, New Hampshire Age & Gender Statistics (2024)
Total Population
64,659
Median Age
48.4
Male Median
47.3
Female Median
49.2
Belknap County, New Hampshire Population Growth

Belknap County, New Hampshire Demographic Trend
Since 2010, the population of has changed by +7.5%%.
+7.5%% Growth
Belknap County, New Hampshire Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Belknap County, New Hampshire Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 48.4 | 64,659 |
| 2023 | 48.3 | 64,300 |
| 2022 | 47.8 | 63,914 |
| 2021 | 47.5 | 63,395 |
| 2020 | 47.9 | 61,174 |
| 2019 | 47.4 | 60,887 |
| 2018 | 47.1 | 60,640 |
| 2017 | 46.7 | 60,383 |
| 2016 | 46.5 | 60,392 |
| 2015 | 46.1 | 60,399 |
| 2014 | 45.5 | 60,252 |
| 2013 | 45.1 | 60,216 |
| 2012 | 44.5 | 60,206 |
| 2011 | 43.9 | 60,166 |
| 2010 | 43.6 | 60,142 |
Belknap County, New Hampshire Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 3.9% |
| 5–17 | 13.4% |
| 18–24 | 6.4% |
| 25–34 | 11.1% |
| 35–54 | 23.5% |
| 55–64 | 17.7% |
| 65+ | 24.0% |
Dependency Ratios for Belknap County, New Hampshire
- Total Dependency Ratio:
- 70.3
- Youth Dependency:
- 29.5
- Old-Age Dependency:
- 40.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Belknap County, New Hampshire
The median age in Belknap County, New Hampshire is 48.4 years.
According to latest Census data, the total population of Belknap County, New Hampshire is 64,659.
In Belknap County, New Hampshire, seniors (ages 65+) make up 24.0% of the population, while children under 18 represent 13.4%.
Based on historical data since 2010, the population in Belknap County, New Hampshire is aging.