Northumberland New Hampshire Profile
| Place Name | Northumberland |
| Place Type | Town |
| ZIP Code(s) | 03582 03584 03590 05905 |
| County | Coos County |
| Area Code(s) | 603 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,829 |
| Majority Ethnicity | White 97.64% |
| Metro/Micro Stats Area | Berlin, NH |
| US Congressional District(s) | New Hampshire 2nd |
| State House Districts | Coos 2 |
| State Senate Districts | 1 |
Northumberland Race/Ethnicity Data
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.64% |
| African American | 0% |
| Hispanic | 1.37% |
| Asian | 0.22% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.77% |