| Place Name | Nashua |
| Place Type | City |
| ZIP Code(s) | 50658 |
| County | Chickasaw County Floyd County |
| Area Code(s) | 641 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,767 |
| Population Growth Rate (2010-19) | -6.73% |
| Majority Ethnicity | White 97.61% |
| US Congressional District(s) | Iowa 4th |
| State House Districts | 52 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.61% |
| African American | 0.96% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 1.23% |