| City : | Duluth City |
| County : | Caroline County, Harper County, Lincoln County, Nueces County, Polk County, St. Louis County |
| State : | Minnesota (MN) |
| | |
| Land Area : | 67.79 sq mi |
| Water Area : | 19.64 sq mi |
| Latitude : | 46.7832290 |
| Longitude : | -92.1187097 |
| | |
| Population (2010): | 86,265 |
| Population Estimate (2012) : | 86,239 |
| Population Density : | 1,272.49/sq mi |
| Housing Units (2012) : | 38,208 |
| Median Household Income (2012) : | $41,311 (Minnesota : $59,126, USA : $53,046) |
| Median Family Income (2012) : | $61,690 (Minnesota : $74,032, USA : $64,585) |
| Median House Price (2012) : | $148,600 (Minnesota : $194,300, USA : $181,400) |