| Official Zip Code Name | Rockville |
| Zip Code State | Nebraska |
| Primary County: | Sherman |
| Area Code | 308 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 1999 ft. |
| Area | 63.907 Sqm. |
| Coordinates(Y,X) | 41.119470, -98.862514 |