Sussex Flag

Sussex

County:
Waukesha County
County Seat:
No
Area (mi²):
8.431
State:
Wisconsin

Sussex is a village located in Waukesha County, Wisconsin. Sussex has a 2025 population of 12,513. Sussex is currently growing at a rate of 1.43% annually and its population has increased by 7.55% since the most recent census, which recorded a population of 11,635 in 2020.

The average household income in Sussex is $134,806 with a poverty rate of 5.58%.The median age in Sussex is 38.9 years: 39.4 years for males, and 38.6 years for females.

12.5K
Total Population
1,484
Density (mi²)
176 1.43%
Growth

Sussex Population

Sussex Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sussex includes 87.32% White, 8.01% Asian, and smaller percentages for Two or more races, Black or African American, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White10,29987.32%
Asian9458.01%
Two or more races3462.93%
Black or African American1601.36%
Other race420.36%
Native American30.03%

Sussex Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sussex's average per capita income is $66,290. Household income levels show a median of $112,031. The poverty rate stands at 5.58%.

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$148,534-
Families$133,750$166,003
Households$112,031$134,806
Non Families$54,848$72,724

$66,290

Average Income

$112,031

Median Household Income

5.58%

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)