| Place Name | Warren |
| Place Type | Town |
| ZIP Code(s) | 03279 |
| County | Grafton County |
| Area Code(s) | 603 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 867 |
| Majority Ethnicity | White 97.43% |
| Metro/Micro Stats Area | Lebanon, NH-VT |
| US Congressional District(s) | New Hampshire 2nd |
| State House Districts | Grafton 3 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.43% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.57% |