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.

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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	10,299	87.32%
Asian	945	8.01%
Two or more races	346	2.93%
Black or African American	160	1.36%
Other race	42	0.36%
Native American	3	0.03%
Native Hawaiian or Pacific Islander	0	0%

Sussex Marital Status

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