| Place Name | Long Hill (New London County) |
| Place Type | Census Designated Place |
| ZIP Code(s) | 06340 |
| County | New London County |
| Area Code(s) | 860,959 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 3,871 |
| Population Growth Rate (2010-19) | -6.11% |
| Majority Ethnicity | White 62% |
| Metro/Micro Stats Area | Norwich-New London, CT |
| US Congressional District(s) | Connecticut 2nd |
| State House Districts | 41 |
| State Senate Districts | 18 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 62% |
| African American | 7.84% |
| Hispanic | 0% |
| Asian | 22.45% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.71% |