| Place Name | Roca |
| Place Type | Village |
| ZIP Code(s) | 68430 |
| County | Lancaster County |
| Area Code(s) | 402,531 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 233 |
| Population Growth Rate (2010-19) | -8.64% |
| Majority Ethnicity | White 100% |
| Metro/Micro Stats Area | Lincoln, NE |
| US Congressional District(s) | Nebraska 1st |
| State Legislature Districts | 30 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |