Northampton County's 2026 population is estimated at 327,279, reflecting a 0.66% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Northampton County is the 13th largest county in Pennsylvania. The 2010 population was 297,941 and has grown 9.85% since 2010.
Data after 2023 is projected based on recent change
Overall: 42 years
Female: 43.4 years
Male: 40.2 years
There are 257,569 adults, (64,743 of whom are seniors) in Northampton County.
Female: 160,760 (50.5%)
Male: 157,820 (49.5%)
The racial composition of Northampton County includes 74.21% White, 6.34% Black or African American, 6.24% other race, 3.07% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 236,417 | 74.21% |
| Two or more races | 31,528 | 9.9% |
| Black or African American | 20,188 | 6.34% |
| Other race | 19,876 | 6.24% |
| Asian | 9,781 | 3.07% |
| Native American | 635 | 0.2% |
| Native Hawaiian or Pacific Islander | 155 | 0.05% |
Northampton County 's average per capita income is $55,927. Household income levels show a median of $89,184. The poverty rate stands at 8.75%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $123,623 | $152,965 |
| Families | $109,202 | $135,574 |
| Households | $89,184 | $115,853 |
| Non Families | $50,664 | $68,886 |
Average Income
Median Household Income
Poverty Rate