| Place Name | Plattsmouth |
| Place Type | City |
| ZIP Code(s) | 68048 |
| County | Cass County |
| Area Code(s) | 402,531 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 6,518 |
| Population Growth Rate (2010-19) | 0.65% |
| Majority Ethnicity | White 92.35% |
| Metro/Micro Stats Area | Omaha-Council Bluffs, NE-IA |
| US Congressional District(s) | Nebraska 1st |
| State Legislature Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.35% |
| African American | 0.26% |
| Hispanic | 0.23% |
| Asian | 0.35% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.81% |