Total Population 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 total population.
■ Merrimack County: 155,967
Ranking Context
| Rank | County | Value |
|---|---|---|
| #443 | Johnson County, IA | 156,639 |
| #444 | Bibb County, GA | 156,578 |
| #445 | Santa Fe County, NM | 156,105 |
| #446 | Merrimack County, NH | 155,967 |
| #447 | Washington County, MD | 155,709 |
| #448 | Monroe County, MI | 155,505 |
| #449 | Penobscot County, ME | 154,710 |
Total Population in Merrimack County, New Hampshire
Merrimack County, New Hampshire has a total population of 155,967, which ranks #446 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within New Hampshire, Merrimack County ranks #3 of 10 out of 10 counties. This places it in the 86th percentile nationally.
Total population count from the American Community Survey. 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.