| Place Name | Fern Forest |
| Place Type | Census Designated Place |
| ZIP Code(s) | 96785 |
| County | Hawaii County |
| Area Code(s) | 808 |
| Timezone | Hawaii Standard Time (HST) |
| Population (2022) | 660 |
| Population Growth Rate (2010-19) | 23.52% |
| Majority Ethnicity | White 53.47% |
| Metro/Micro Stats Area | Hilo, HI |
| US Congressional District(s) | Hawaii 2nd |
| State House Districts | 3 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 53.47% |
| African American | 1.82% |
| Hispanic | 0% |
| Asian | 12.77% |
| Native American | 6.02% |
| Hawaiin/Pacific Islander | 25.91% |