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Waukesha Times

Tuesday, September 9, 2025

Census Bureau reports Oconomowoc Lake population was 621 in 2020

Webp names 10

Oconomowoc Lake had a population of 621 people in 2020, according to U.S. Census Bureau data obtained by the Waukesha County Times.

The median age was 56, with 54.6 percent of the total population being female and 45.4 percent male.

The state's total population in 2020 was 5,806,975.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau’s American Community Survey. Information from the survey helps to determine how federal and state funds are distributed.

Oconomowoc Lake population by sex

Estimated NumberPercent of total population
Male28245.4
Female33954.6
Total Population621100

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