| City : | Millville City |
| County : | Clayton County, Ocean County |
| State : | Iowa (IA) |
| Land Area : | 0.07 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.7036396 |
| Longitude : | -91.0763877 |
| Population (2010): | 30 |
| Population Estimate (2012) : | 34 |
| Population Density : | 449.94/sq mi |
| Housing Units (2012) : | 12 |
| Median Household Income (2012) : | $31,875 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $49,167 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $61,700 (Iowa : $123,000, USA : $181,400) |
Millville City Zip Codes
| 52052 (3,136) |