| Place Name | Delmar |
| Place Type | City |
| ZIP Code(s) | 52037 |
| County | Clinton County |
| Area Code(s) | 563 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 453 |
| Population Growth Rate (2010-19) | 3.24% |
| Majority Ethnicity | White 93.68% |
| Metro/Micro Stats Area | Clinton, IA |
| US Congressional District(s) | Iowa 2nd |
| State House Districts | 97 |
| State Senate Districts | 49 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.68% |
| African American | 2.58% |
| Hispanic | 0% |
| Asian | 2.34% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.41% |