Total Population in Hillsborough County, NH
ACS 2024 5-Year Estimates
How Hillsborough County Compares
National Distribution
Where Hillsborough County falls among all 3,222 U.S. counties for total population.
■ Hillsborough County: 426,378
Ranking Context
| Rank | County | Value |
|---|---|---|
| #169 | Manatee County, FL | 429,792 |
| #170 | Lucas County, OH | 428,018 |
| #171 | Osceola County, FL | 427,415 |
| #172 | Hillsborough County, NH | 426,378 |
| #173 | Cameron County, TX | 426,120 |
| #174 | Clackamas County, OR | 423,975 |
| #175 | Richland County, SC | 422,117 |
Total Population in Hillsborough County, New Hampshire
Hillsborough County, New Hampshire has a total population of 426,378, which ranks #172 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within New Hampshire, Hillsborough County ranks #1 of 10 out of 10 counties. This places it in the 95th 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.