Rocky Hill Flag

Rocky Hill

County:
Somerset County
County Seat:
No
Area (mi²):
0.61
State:
New Jersey

Rocky Hill is a borough located in Somerset County, New Jersey. Rocky Hill has a 2026 population of 755. Rocky Hill is currently growing at a rate of 1.21% annually and its population has increased by 2.03% since the most recent census, which recorded a population of 740 in 2020.

755
Total Population
1,239
Density (mi²)
9 1.21%
Growth

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)