| Place Name | Diamond Ridge |
| Place Type | Census Designated Place |
| ZIP Code(s) | 99556 99603 |
| County | Kenai Peninsula Borough |
| Area Code(s) | 907 |
| Timezone | Alaska Daylight Time (AKDT) |
| Population (2022) | 1,009 |
| Population Growth Rate (2010-19) | 15.05% |
| Majority Ethnicity | White 92.94% |
| US Congressional District(s) | Alaska At-Large |
| State House Districts | 31 |
| State Senate Districts | P |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.94% |
| African American | 0% |
| Hispanic | 2.11% |
| Asian | 2.18% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.77% |