ZIP Code 53066 - Oconomowoc Wisconsin

ZIP Code 53066 is located in Oconomowoc Wisconsin. Portions of 53066 are also in Summit and Okauchee Lake and Oconomowoc Lake and Dousman and Oconomowoc (town) and Ashippun (town) and Concord and Merton (town) and Ixonia (town). 53066 is primarily within Waukesha County, with some portions in Dodge County and Jefferson County. Regionally, it is located in Metro Milwaukee.

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ZIP Code 53066 Quick Stats

ZIP Code NameOconomowoc
Primary CountyWaukesha County
ZIP Code TypeStandard
Population (2022)36,973
Area Code(s)262 / 274 / 920
Current Time

ZIP Code 53066 Map

53066 Demographics

53066 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Wisconsin based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 53066 is White. The majority race/ethnicity attending public schools in 53066 is White. The current unemployment level in 53066 is 2.8%.

Population Growth Rate5.01%
Population Density328 People per Square Mile
Total Households13,012
Percentage High Income Households8.0%
Median Household Income (2021)$102,030
Average Adjusted Gross Income (2020)$127,040
Current Unemployment Rate (April 2024)2.8%
Majority Race/EthnictyWhite - 95.03%
Public School Majority Race/EthnictyWhite - 89.25%

53066 Race/Ethnicty Breakdown

Native American630.17%
Hawaiian/Pac. Islander250.07%

53066 Public School Race/Ethnicty Breakdown

Native American70.14%
Hawaiian/Pac. Islander20.04%

53066 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,5006.54%
Bachelor Degree5,94425.92%
High School Diploma5,77425.18%
No High School Diploma3721.62%
GED or Alternate5842.55%
1 or More Years of College3,90517.03%
Associates Degree2,1039.17%
Masters Degree2,1239.26%
Professional Degree4682.04%
Doctorate Degree1620.71%

53066 Geography

Adjacent ZIP Codes
Cities/Towns in 53066
RegionMetro Milwaukee
Metropolitan/Micropolitan Stat AreasMilwaukee-Waukesha, WI
Beaver Dam, WI
Watertown-Fort Atkinson, WI
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area113 Square Miles

53066 Politics

US Congressional Districts in 53066
Wisconsin State Senate Districts in 53066
Wisconsin State Assembly Districts in 53066

53066 Weather and Climate Data

Plant Hardiness ZoneZone 5a: -20F to -15F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion53b - Kettle Moraines

53066 Annual Climate Data

Avg Min Temp (°F)8132436475661595039271536
Avg Max Temp (°F)26314256697882797260443156
Avg Precip (In.)1.311.

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