Total Population in Rockingham County, NH
ACS 2024 5-Year Estimates
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Rockingham County's total population of 319,082 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Rockingham County for total population.
Nearby Rankings
Full ranking →| #225 | Lancaster County, NE | 326,696 |
| #226 | Escambia County, FL | 325,923 |
| #227 | Fayette County, KY | 323,725 |
| #228 | Rockingham County, NH | 319,082 |
| #229 | Lubbock County, TX | 318,884 |
| #230 | Northampton County, PA | 318,580 |
| #231 | Lorain County, OH | 317,129 |
About Total Population
Rockingham County, New Hampshire has a total population of 319,082, ranking #228 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within New Hampshire, it ranks #2 of 10. This places it in the 93th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.