| City : | Osterdock City |
| County : | Clayton County |
| State : | Iowa (IA) |
| Land Area : | 0.46 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.7313862 |
| Longitude : | -91.1578337 |
| Population (2010): | 59 |
| Population Estimate (2012) : | 67 |
| Population Density : | 128.38/sq mi |
| Housing Units (2012) : | 23 |
| Median Household Income (2012) : | $73,750 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $51,250 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $155,400 (Iowa : $123,000, USA : $181,400) |