Stillwater Flag

Stillwater

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

Stillwater is located in Sussex County, New Jersey. Stillwater has a 2025 population of 4,119 . Stillwater is currently growing at a rate of 0.64% annually and its population has increased by 3.23% since the most recent census, which recorded a population of 3,990 in 2020.

The average household income in Stillwater is $117,459 with a poverty rate of 5.53%. The median age in Stillwater is 51.2 years: 53.3 years for males, and 46.9 years for females. For every 100 females there are 108.1 males.

4.1K
Total Population
153
Density (mi²)
26 0.64%
Growth

Stillwater Population

Stillwater Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Stillwater 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

White (90.32%)

Asian (3.57%)

Other race (3.2%)

Two or more races (2.85%)

Native American (0.05%)

Race
Population
Percentage (of total)
White3,64090.32%
Asian1443.57%
Other race1293.2%
Two or more races1152.85%
Native American20.05%

Stillwater Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stillwater'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

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)