Stillwater township

County:: Sussex County
County Seat:: No
Area (mi²):: 26.924
State:: New Jersey

Stillwater township is located in Sussex County, New Jersey. Stillwater township has a 2025 population of 4,091. Stillwater township is currently growing at a rate of 0.34% annually and its population has increased by 2.53% since the most recent census, which recorded a population of 3,990 in 2020.

The average household income in Stillwater township is $117,459 with a poverty rate of 5.53%. The median age in Stillwater township is 51.2 years: 53.3 years for males, and 46.9 years for females.

Demographics

The racial composition of Stillwater township includes 90.32% White, 3.57% Asian, 3.2% other race, and smaller percentages for Two or more races, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Other race

Two or more races

Native American

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,640	90.32%
Asian	144	3.57%
Other race	129	3.2%
Two or more races	115	2.85%
Native American	2	0.05%
Black or African American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Stillwater township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stillwater township's average per capita income is $57,373. Household income levels show a median of $109,777. The poverty rate stands at 5.53%.

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	$126,351	-
Families	$120,650	$122,248
Households	$109,777	$117,459
Non Families	$78,646	$70,792

$57,373

Average Income

$109,777

Median Household Income

5.53%

Poverty Rate