Median Age in Merrimack County, NH
ACS 2024 5-Year Estimates
How Merrimack County Compares
National Distribution
Where Merrimack County falls among all 3,222 U.S. counties for median age.
■ Merrimack County: 42.9 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,238 | Spencer County, KY | 42.9 years |
| #1,239 | Texas County, MO | 42.9 years |
| #1,240 | Washington County, NE | 42.9 years |
| #1,241 | Merrimack County, NH | 42.9 years |
| #1,242 | Chautauqua County, NY | 42.9 years |
| #1,243 | Hettinger County, ND | 42.9 years |
| #1,244 | Mercer County, ND | 42.9 years |
Median Age in Merrimack County, New Hampshire
Merrimack County, New Hampshire has a median age of 42.9 years, which ranks #1,241 of 3,222 out of 3,222 counties nationwide. This is 10.3% above the national value of 38.9 years.
Within New Hampshire, Merrimack County ranks #8 of 10 out of 10 counties. This places it in the 62th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.