| Place Name | Diamondhead Lake |
| Place Type | Census Designated Place |
| ZIP Code(s) | 50070 50233 |
| County | Guthrie County |
| Area Code(s) | 515 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 183 |
| Population Growth Rate (2010-19) | 1.37% |
| Majority Ethnicity | White 81.97% |
| Metro/Micro Stats Area | Des Moines-West Des Moines, IA |
| US Congressional District(s) | Iowa 3rd |
| State House Districts | 20 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.97% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 10.93% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.1% |