| City : | Groton City |
| County : | Emmons County, Harrison County, New London County |
| State : | Connecticut (CT) |
| | |
| Land Area : | 3.08 sq mi |
| Water Area : | 3.68 sq mi |
| Latitude : | 41.3250543 |
| Longitude : | -72.0668616 |
| | |
| Population (2010): | 10,389 |
| Population Estimate (2012) : | 9,734 |
| Population Density : | 3,368.97/sq mi |
| Housing Units (2012) : | 4,708 |
| Median Household Income (2012) : | $51,833 (Connecticut : $69,519, USA : $53,046) |
| Median Family Income (2012) : | $57,450 (Connecticut : $87,182, USA : $64,585) |
| Median House Price (2012) : | $234,600 (Connecticut : $285,900, USA : $181,400) |