
Cresskill
- County:
- Bergen County
- County Seat:
- No
- Area (mi²):
- 2.065
- State:
- New Jersey
Cresskill is a borough located in Bergen County, New Jersey. Cresskill has a 2025 population of 9,109. Cresskill is currently declining at a rate of -0.04% annually and its population has decreased by -0.24% since the most recent census, which recorded a population of 9,131 in 2020.
The average household income in Cresskill is $206,370 with a poverty rate of 2.33%. The median age in Cresskill is 45 years: 44.4 years for males, and 45.8 years for females.