Oconomowoc Lake, WI Profile: Facts & Data


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Oconomowoc Lake, Wisconsin - Basic Facts

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The Village of Oconomowoc Lake had a population of 553 as of July 1, 2021. Oconomowoc Lake ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Wisconsin. See peer rankings below.

The primary coordinate point for Oconomowoc Lake is located at latitude 43.1045 and longitude -88.4593 in Waukesha County. The formal boundaries for the Village of Oconomowoc Lake encompass a land area of 1.98 sq. miles and a water area of 1.32 sq. miles. Waukesha County is in the Central time zone (GMT -6). The elevation is 902 feet.

The Village of Oconomowoc Lake has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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  1. Oconomowoc Lake 2021 Demographic Data
  2. Growth Rates for Oconomowoc Lake (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Wisconsin Research Tools (Easy Tools & Current Data)
  3. Wisconsin Data Comparison Tool - 2021 Demographics

Oconomowoc Lake, WI Data & Demographics (As of July 1, 2021)


Total Population 553 (100%)
Population in Households 550 (99.5%)
Population in Families 482 (87.2%)
Population in Group Quarters1 3 ( 0.5%)
Population Density 288
Diversity Index2 13


Median Household Income $155,366
Average Household Income $216,040
% of Income for Mortgage4 19%
Per Capita Income $84,810
Wealth Index5 354


Total HU (Housing Units) 294 (100%)
Owner Occupied HU 200 (68.0%)
Renter Occupied HU 19 ( 6.5%)
Vacant Housing Units 76 (25.9%)
Median Home Value $701,087
Average Home Value $926,244
Housing Affordability Index3 139


Total Households 218
Average Household Size 2.52
Family Households 166
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population -0.33% -0.11%
Households -0.2% -0.09%
Families -0.32% -0.12%
Median Household Income   0.45%
Per Capita Income   1.01%
Owner Occupied HU   0.0%

Oconomowoc Lake, WI - Peer Comparisons by Rank and Percentile

The table below compares Oconomowoc Lake to the other 778 incorporated cities, towns and CDPs in Wisconsin by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 520 33rd
Population Density # 597 23rd
Median Household Income # 3 100th
Housing Affordability Index # 101 13th
Per Capita Income # 5 99th
Diversity Index # 461 41st

Additional comparisons and rankings can be made with a VERY EASY TO USE Wisconsin Census Data Comparison Tool.

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