| Zip Code : | 48875 |
| City : | Portland city |
| County : | Ionia County, Clinton County |
| State : | Michigan (MI) |
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| Land Area : | 86.20 sq mi |
| Water Area : | 1.41 sq mi |
| Latitude : | 42.8608125 |
| Longitude : | -84.9414478 |
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| Population (2010): | 10,186 |
| Population Estimate (2012) : | 10,458 |
| Population Density : | 118.16/sq mi |
| Housing Units (2012) : | 4,165 |
| Median Household Income (2012) : | $58,962 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $68,884 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $142,200 (Michigan : $128,600, USA : $181,400) |