| Zip Code : | 52041 |
| City : | Dyersville city, Earlville city |
| County : | Delaware County |
| State : | Iowa (IA) |
| | |
| Land Area : | 59.85 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 42.5055534 |
| Longitude : | -91.2613855 |
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| Population (2010): | 1,608 |
| Population Estimate (2012) : | 1,518 |
| Population Density : | 26.87/sq mi |
| Housing Units (2012) : | 631 |
| Median Household Income (2012) : | $58,816 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $67,417 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $114,500 (Iowa : $123,000, USA : $181,400) |