| Zip Code : | 48846 |
| City : | Ionia city |
| County : | Ionia County |
| State : | Michigan (MI) |
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| Land Area : | 108.41 sq mi |
| Water Area : | 0.77 sq mi |
| Latitude : | 42.9861252 |
| Longitude : | -85.0578866 |
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| Population (2010): | 20,269 |
| Population Estimate (2012) : | 20,611 |
| Population Density : | 186.97/sq mi |
| Housing Units (2012) : | 6,661 |
| Median Household Income (2012) : | $38,517 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $43,207 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $96,800 (Michigan : $128,600, USA : $181,400) |