Merrimack County, New Hampshire Age & Gender Distribution (2024)
Population distribution by age and gender for Merrimack County, New Hampshire
Merrimack County, New Hampshire Age & Gender Statistics (2024)
Total Population
155,967
Median Age
42.9
Male Median
41.8
Female Median
43.9
Merrimack County, New Hampshire Population Growth
Merrimack County, New Hampshire Demographic Trend
Since 2010, the population of has changed by +6.3%%.
+6.3%% Growth
Merrimack County, New Hampshire Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Merrimack County, New Hampshire Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.9 | 155,967 |
| 2023 | 42.6 | 155,018 |
| 2022 | 42.8 | 153,918 |
| 2021 | 43.0 | 152,983 |
| 2020 | 43.1 | 150,902 |
| 2019 | 42.8 | 149,917 |
| 2018 | 42.8 | 149,452 |
| 2017 | 42.8 | 147,958 |
| 2016 | 42.7 | 147,715 |
| 2015 | 42.6 | 147,262 |
| 2014 | 42.2 | 146,880 |
| 2013 | 41.9 | 146,710 |
| 2012 | 41.5 | 146,742 |
| 2011 | 40.8 | 146,785 |
| 2010 | 40.4 | 146,785 |
Merrimack County, New Hampshire Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.4% |
| 5–17 | 13.9% |
| 18–24 | 9.0% |
| 25–34 | 12.7% |
| 35–54 | 25.2% |
| 55–64 | 14.9% |
| 65+ | 19.9% |
Dependency Ratios for Merrimack County, New Hampshire
- Total Dependency Ratio:
- 62.0
- Youth Dependency:
- 29.8
- Old-Age Dependency:
- 32.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Merrimack County, New Hampshire
The median age in Merrimack County, New Hampshire is 42.9 years.
According to latest Census data, the total population of Merrimack County, New Hampshire is 155,967.
In Merrimack County, New Hampshire, seniors (ages 65+) make up 19.9% of the population, while children under 18 represent 13.9%.
Based on historical data since 2010, the population in Merrimack County, New Hampshire is aging.