Somerset County Flag

Somerset County

State:
New Jersey
County Seat:

Somerset County's estimated 2025 population is 352,432 with a growth rate of 0.51% in the past year according to the most recent United States census data. Somerset County is the 13th largest county in New Jersey. The 2010 population was 324,120 and has seen a growth of 8.74% since that time.

352,432
Total Population
1,167
Population Density (mi²)
13
Population Rank (State)
1.8K 0.51%
Annual Population Growth

Somerset County Population

Demographics

Economics and Income Statistics