| County : | Ionia County |
| State : | Michigan (MI) |
| Land Area : | 571.30 sq mi |
| Water Area : | 8.74 sq mi |
| Latitude : | 42.9446503 |
| Longitude : | -85.0737660 |
| Population (2010): | 63,905 |
| Population Estimate (2012) : | 64,149 |
| Population Density : | 111.86/sq mi |
| Housing Units (2012) : | 24,778 |
| Median Household Income (2012) : | $47,580 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $54,776 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $113,600 (Michigan : $128,600, USA : $181,400) |
Ionia County Cities / Towns
| Belding City (5,757) | Clarksville Village (394) | Hubbardston Village (395) |
| Ionia City (11,394) | Lake Odessa Village (2,018) | Lyons Village (789) |
| Muir Village (604) | Pewamo Village (469) | Portland City (3,883) |
| Saranac Village (1,325) |
Ionia County Zip Codes
| 48809 (11,015) | 48815 (2,259) | 48834 (2,090) |
| 48837 (18,926) | 48838 (17,863) | 48845 (1,003) |
| 48846 (20,269) | 48849 (5,717) | 48851 (2,365) |
| 48860 (1,334) | 48861 (1,522) | 48865 (1,903) |
| 48870 (148) | 48873 (1,615) | 48875 (10,186) |
| 48881 (5,501) | 48890 (2,152) | 49325 (1,909) |
| 49331 (16,627) |