Morris County Flag

Morris County

State:
New Jersey
County Seat:

Morris County's estimated 2025 population is 520,831 with a growth rate of 0.62% in the past year according to the most recent United States census data. Morris County is the 9th largest county in New Jersey. The 2010 population was 492,623 and has seen a growth of 5.73% since that time.

520,831
Total Population
1,130
Population Density (mi²)
9
Population Rank (State)
3.2K 0.62%
Annual Population Growth

Morris County Population

Demographics

Economics and Income Statistics