
Holmdel township
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 17.847
- State:
- New Jersey
Holmdel township is located in Monmouth County, New Jersey. Holmdel township has a 2025 population of 17,334. Holmdel township is currently declining at a rate of -0.2% annually and its population has decreased by -0.3% since the most recent census, which recorded a population of 17,387 in 2020.
The average household income in Holmdel township is $253,222 with a poverty rate of 3.87%. The median age in Holmdel township is 48.3 years: 48 years for males, and 48.8 years for females.