Jefferson township Flag

Jefferson township

County:
Morris County
County Seat:
No
Area (mi²):
38.967
State:
New Jersey

Jefferson township is located in Morris County, New Jersey. Jefferson township has a 2026 population of 20,783. Jefferson township is currently growing at a rate of 0.19% annually and its population has increased by 1.45% since the most recent census, which recorded a population of 20,485 in 2020.

The median household income in Jefferson township is $119,836 with a poverty rate of 4.52%. The median age in Jefferson township is 46.4 years: 46.9 years for males, and 46.3 years for females. For every 100 females there are 100.8 males.

20.8K
Total Population
533
Density (mi²)
39 0.19%
Growth

Jefferson township Population

Jefferson township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202620,783390.19%
202520,744390.19%
202420,705390.19%
202320,6661200.58%
202220,54660.03%
202120,540550.27%
202020,485-51-0.25%
201920,703-241-1.15%
201820,944-154-0.73%
201721,098-82-0.39%
201621,180-65-0.31%
201521,245-45-0.21%
201421,290-82-0.38%
201321,372-7-0.03%
201221,379150.07%
201121,364500.23%
201021,299100.05%

Median Age

Overall: 46.4 years
Female: 46.3 years
Male: 46.9 years

Jefferson township Adults

There are 16,692 adults, (4,123 of whom are seniors) in Jefferson township.

Sex Ratio

Female: 10,250 (49.8%)
Male: 10,337 (50.2%)

Demographics

The racial composition of Jefferson township includes 78.91% White, 3.4% Asian, and smaller percentages for other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White16,24678.91%
Two or more races2,54412.36%
Asian7003.4%
Other race5452.65%
Black or African American5432.64%
Native American90.04%
Race
Population ↓
Percentage (of total)
Two or more races1,6057.8%
White5352.6%
Other race4912.39%
Race
Population ↓
Percentage (of total)
White15,71176.32%
Two or more races9394.56%
Asian7003.4%
Black or African American5432.64%
Other race540.26%
Native American90.04%

Jefferson township Marital Status

Economics and Income Statistics

Jefferson township 's average per capita income is $79,349. Household income levels show a median of $119,836. The poverty rate stands at 4.52%.

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$160,679-
Families$147,917$172,881
Households$119,836$143,290
Non Families$73,336$83,911

$79,349

Average Income

$119,836

Median Household Income

4.52%

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)