| Place Name | Effingham |
| Place Type | Town |
| ZIP Code(s) | 03882 |
| County | Carroll County |
| Area Code(s) | 603 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,755 |
| Majority Ethnicity | White 95.88% |
| US Congressional District(s) | New Hampshire 1st |
| State House Districts | Carroll 5 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.88% |
| African American | 0.35% |
| Hispanic | 0% |
| Asian | 0.41% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.35% |