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 and multiracial populations.

Population by Race

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%

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