| City : | Ionia City |
| County : | Harnett County, Ionia County, Lagrange County, Turner County |
| State : | Michigan (MI) |
| | |
| Land Area : | 5.35 sq mi |
| Water Area : | 0.13 sq mi |
| Latitude : | 42.9768210 |
| Longitude : | -85.0746328 |
| | |
| Population (2010): | 11,394 |
| Population Estimate (2012) : | 11,602 |
| Population Density : | 2,131.29/sq mi |
| Housing Units (2012) : | 2,775 |
| Median Household Income (2012) : | $32,736 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $34,122 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $85,400 (Michigan : $128,600, USA : $181,400) |