| Place Name | Greenfield |
| Place Type | Town |
| ZIP Code(s) | 03047 |
| County | Hillsborough County |
| Area Code(s) | 603 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,789 |
| Majority Ethnicity | White 99.09% |
| Metro/Micro Stats Area | Manchester-Nashua, NH |
| US Congressional District(s) | New Hampshire 2nd |
| State House Districts | Hillsborough 3 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.09% |
| African American | 0.34% |
| Hispanic | 0% |
| Asian | 0.45% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.11% |