Stillwater township Flag

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 2026 population of 4,145. Stillwater township is currently growing at a rate of 0.63% annually and its population has increased by 3.88% since the most recent census, which recorded a population of 3,990 in 2020.

The median household income in Stillwater township is $123,134 with a poverty rate of 2.34%. The median age in Stillwater township is 51.5 years: 53.5 years for males, and 48.9 years for females. For every 100 females there are 118.9 males.

4.1K
Total Population
154
Density (mi²)
26 0.63%
Growth

Stillwater township Population

Stillwater township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,145260.63%
20254,119260.64%
20244,093260.64%
20234,067170.42%
20224,050150.37%
20214,035451.13%
20203,990-11-0.27%
20193,878-22-0.56%
20183,900-10-0.26%
20173,910-17-0.43%
20163,927-27-0.68%
20153,954-47-1.17%
20144,001-35-0.87%
20134,036-43-1.05%
20124,079-39-0.95%
20114,118190.46%
20104,150-3-0.07%

Median Age

Overall: 51.5 years
Female: 48.9 years
Male: 53.5 years

Stillwater township Adults

There are 3,424 adults, (1,067 of whom are seniors) in Stillwater township.

Sex Ratio

Female: 1,851 (45.7%)
Male: 2,201 (54.3%)

Demographics

The racial composition of Stillwater township includes 88.35% White, 4.05% other race, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,58088.35%
Two or more races1874.62%
Other race1644.05%
Asian1152.84%
Native American60.15%
Race
Population ↓
Percentage (of total)
Two or more races1122.76%
Other race571.41%
White210.52%
Race
Population ↓
Percentage (of total)
White3,55987.83%
Asian1152.84%
Other race1072.64%
Two or more races751.85%
Native American60.15%

Stillwater township Marital Status

Economics and Income Statistics

Stillwater township 's average per capita income is $59,253. Household income levels show a median of $123,134. The poverty rate stands at 2.34%.

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$128,521-
Families$127,865$127,514
Households$123,134$119,711
Non Families$56,776$75,506

$59,253

Average Income

$123,134

Median Household Income

2.34%

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)