| City : | Gretna City |
| County : | Montgomery County, Pierce County, Providence County, Sarpy County |
| State : | Nebraska (NE) |
| | |
| Land Area : | 2.10 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.1422385 |
| Longitude : | -96.2346055 |
| | |
| Population (2010): | 4,441 |
| Population Estimate (2012) : | 4,807 |
| Population Density : | 2,119.08/sq mi |
| Housing Units (2012) : | 1,671 |
| Median Household Income (2012) : | $77,818 (Nebraska : $51,381, USA : $53,046) |
| Median Family Income (2012) : | $86,265 (Nebraska : $64,820, USA : $64,585) |
| Median House Price (2012) : | $168,800 (Nebraska : $126,700, USA : $181,400) |