| Place Name | Ninilchik |
| Place Type | Census Designated Place |
| ZIP Code(s) | 99639 |
| County | Kenai Peninsula Borough |
| Area Code(s) | 907 |
| Timezone | Alaska Daylight Time (AKDT) |
| Population (2022) | 643 |
| Population Growth Rate (2010-19) | -4.30% |
| Majority Ethnicity | White 85.17% |
| US Congressional District(s) | Alaska At-Large |
| State House Districts | 31 |
| State Senate Districts | P |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 85.17% |
| African American | 0% |
| Hispanic | 8.83% |
| Asian | 0.84% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.15% |