Oconomowoc Flag

Oconomowoc

County:
Waukesha County
County Seat:
No
Area (mi²):
11.819
State:
Wisconsin

Oconomowoc is a city located in Waukesha County, Wisconsin. Oconomowoc has a 2026 population of 20,897. Oconomowoc is currently growing at a rate of 2.19% annually and its population has increased by 14.74% since the most recent census, which recorded a population of 18,212 in 2020.

The median household income in Oconomowoc is $106,425 with a poverty rate of 7.73%. The median age in Oconomowoc is 42.6 years: 40.5 years for males, and 46.1 years for females. For every 100 females there are 91.4 males.

20.9K
Total Population
1,768
Density (mi²)
448 2.19%
Growth

Oconomowoc Population

Oconomowoc Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202620,8974482.19%
202520,4494472.23%
202420,0023021.53%
202319,7004852.52%
202219,2158714.75%
202118,3441720.95%
202018,2121,2197.17%
201916,9931650.98%
201816,828970.58%
201716,7311721.04%
201616,5591570.96%
201516,402220.13%
201416,380920.56%
201316,2883492.19%
201215,939910.57%
201115,848310.2%
201015,817580.37%
200012,3821,38912.64%
199010,9931,08410.94%
19809,9091,16813.36%
19708,7412,05930.81%
19606,6821,33725.01%
19505,34578317.16%
19404,5623728.88%
19304,19088926.93%
19203,3012478.09%
19103,0541746.04%
19002,8801515.53%
18902,72900%

Median Age

Overall: 42.6 years
Female: 46.1 years
Male: 40.5 years

Oconomowoc Adults

There are 15,123 adults, (3,803 of whom are seniors) in Oconomowoc.

Sex Ratio

Female: 9,970 (52.3%)
Male: 9,110 (47.7%)

Demographics

The racial composition of Oconomowoc includes 95.85% White, and smaller percentages for Two or more races, Asian, Black or African American, Native American, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18,28895.85%
Two or more races5582.92%
Asian800.42%
Black or African American500.26%
Native American460.24%
Other race430.23%
Native Hawaiian or Pacific Islander150.08%
Race
Population ↓
Percentage (of total)
White3691.93%
Two or more races2871.5%
Other race300.16%
Race
Population ↓
Percentage (of total)
White17,91993.92%
Two or more races2711.42%
Asian800.42%
Black or African American500.26%
Native American460.24%
Native Hawaiian or Pacific Islander150.08%
Other race130.07%

Oconomowoc Marital Status

Economics and Income Statistics

Oconomowoc 's average per capita income is $68,998. Household income levels show a median of $106,425. The poverty rate stands at 7.73%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$158,170-
Families$142,031$163,704
Households$106,425$128,184
Non Families$53,932$67,980

$68,998

Average Income

$106,425

Median Household Income

7.73%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)