| Zip Code : | 53066 |
| City : | Ashippun, Delafield city, Dousman village, Lac La Belle village, Oconomowoc city, Oconomowoc Lake village, Okauchee Lake, Wales village |
| County : | Waukesha County, Jefferson County, Dodge County |
| State : | Wisconsin (WI) |
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| Land Area : | 105.70 sq mi |
| Water Area : | 9.25 sq mi |
| Latitude : | 43.1128530 |
| Longitude : | -88.4900356 |
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| Population (2010): | 33,830 |
| Population Estimate (2012) : | 34,039 |
| Population Density : | 320.06/sq mi |
| Housing Units (2012) : | 14,171 |
| Median Household Income (2012) : | $80,665 (Wisconsin : $52,627, USA : $53,046) |
| Median Family Income (2012) : | $91,822 (Wisconsin : $66,415, USA : $64,585) |
| Median House Price (2012) : | $267,800 (Wisconsin : $169,000, USA : $181,400) |