| City : | Mercer |
| County : | Iron County, Jefferson County, Lincoln County |
| State : | Wisconsin (WI) |
| | |
| Land Area : | 4.45 sq mi |
| Water Area : | 1.03 sq mi |
| Latitude : | 46.1613338 |
| Longitude : | -90.0418420 |
| | |
| Population (2010): | 516 |
| Population Estimate (2012) : | 467 |
| Population Density : | 115.91/sq mi |
| Housing Units (2012) : | 587 |
| Median Household Income (2012) : | $35,625 (Wisconsin : $52,627, USA : $53,046) |
| Median Family Income (2012) : | $47,765 (Wisconsin : $66,415, USA : $64,585) |
| Median House Price (2012) : | $157,000 (Wisconsin : $169,000, USA : $181,400) |