| City : | St. Johns City |
| County : | Brookings County, Clinton County |
| State : | Michigan (MI) |
| | |
| Land Area : | 3.87 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.0008638 |
| Longitude : | -84.5556806 |
| | |
| Population (2010): | 7,865 |
| Population Estimate (2012) : | 7,890 |
| Population Density : | 2,031.80/sq mi |
| Housing Units (2012) : | 3,451 |
| Median Household Income (2012) : | $40,440 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $51,500 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $126,200 (Michigan : $128,600, USA : $181,400) |