| Place Name | Diamondhead |
| Place Type | City |
| ZIP Code(s) | 39525 |
| County | Hancock County |
| Area Code(s) | 228 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 8,583 |
| Population Growth Rate (2010-19) | 13.10% |
| Majority Ethnicity | White 92.54% |
| Metro/Micro Stats Area | Gulfport-Biloxi, MS |
| US Congressional District(s) | Mississippi 4th |
| State House Districts | 95 |
| State Senate Districts | 46 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.54% |
| African American | 1.3% |
| Hispanic | 0% |
| Asian | 0.03% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.12% |