
Hazlet township
- County:
- Monmouth County
- County Seat:
- No
- Area (mi²):
- 5.569
- State:
- New Jersey
Hazlet township is located in Monmouth County, New Jersey. Hazlet township has a 2025 population of 20,348. Hazlet township is currently declining at a rate of -0.43% annually but its population has increased by 1.17% since the most recent census, which recorded a population of 20,113 in 2020.
The average household income in Hazlet township is $136,527 with a poverty rate of 4.32%. The median age in Hazlet township is 43.9 years: 42.4 years for males, and 46.5 years for females.