| Place Name | Gretna |
| Place Type | City |
| ZIP Code(s) | 68028 |
| County | Sarpy County |
| Area Code(s) | 402,531 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 4,807 |
| Population Growth Rate (2010-19) | 14.46% |
| Majority Ethnicity | White 94.07% |
| Metro/Micro Stats Area | Omaha-Council Bluffs, NE-IA |
| US Congressional District(s) | Nebraska 2nd |
| State Legislature Districts | 49 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.07% |
| African American | 0.36% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.57% |