| Zip Code : | 48421 |
| City : | Barnes Lake-Millers Lake, Columbiaville village |
| County : | Lapeer County, Genesee County |
| State : | Michigan (MI) |
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| Land Area : | 40.57 sq mi |
| Water Area : | 3.19 sq mi |
| Latitude : | 43.1554962 |
| Longitude : | -83.3931872 |
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| Population (2010): | 6,647 |
| Population Estimate (2012) : | 6,800 |
| Population Density : | 163.85/sq mi |
| Housing Units (2012) : | 2,910 |
| Median Household Income (2012) : | $61,425 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $66,571 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $129,500 (Michigan : $128,600, USA : $181,400) |