Oconomowoc Lake Population

2010–2026

569

2026 projection

0.5% since 2020 (decrease)

0100200300400500600700201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Oconomowoc Lake. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026569-10.18%
2025570+10.18%
202456900.00%
2023569-10.18%
2022570-50.87%
2021575+30.52%
2020572-294.83%
2019601+30.50%
2018598+20.34%
2017596+61.02%

Showing 10 of 17 years.

Oconomowoc Lake Demographics

55.1median age

Median age

Female55.1 yrs
Male55 yrs

Adults

570
174 seniors · 31%396 other adults

Sex

Female 58.1% · 389Male 41.9% · 280

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 7 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Oconomowoc Lake Income

$250,001median household income

Median household income

$250,001

Half of households earn more, half earn less

Median earnings

$75,781

Typical yearly pay for a worker 25 or older.

Poverty rate

3.6%

About 1 in 28 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Oconomowoc Lake Marital Status

76% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married76%78%75%
Never married15%11%17%
Divorced8%11%6%
Widowed1%0%2%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201