Jefferson Flag

Jefferson

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

Jefferson is located in Morris County, New Jersey. Jefferson has a 2025 population of 20,744 . Jefferson is currently growing at a rate of 0.19% annually and its population has increased by 1.26% since the most recent census, which recorded a population of 20,485 in 2020.

The average household income in Jefferson is $137,985 with a poverty rate of 4.96%. The median age in Jefferson is 46 years: 46.5 years for males, and 45 years for females. For every 100 females there are 100.3 males.

20.7K
Total Population
532
Density (mi²)
39 0.19%
Growth

Jefferson Population

Demographics

Economics and Income Statistics

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)