Total Population in Northumberland County, PA
ACS 2024 5-Year Estimates
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Northumberland County's total population of 90,560 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 Northumberland County for total population.
Nearby Rankings
Full ranking →| #665 | Victoria County, TX | 91,413 |
| #666 | Wayne County, NY | 90,929 |
| #667 | Cullman County, AL | 90,566 |
| #668 | Northumberland County, PA | 90,560 |
| #669 | Mendocino County, CA | 90,244 |
| #670 | Barrow County, GA | 89,886 |
| #671 | Polk County, OR | 89,662 |
About Total Population
Northumberland County, Pennsylvania has a total population of 90,560, ranking #668 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Pennsylvania, it ranks #32 of 67. This places it in the 79th 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.