
Hunterdon County
- State:
- New Jersey
Hunterdon County's estimated 2025 population is 130,939 with a growth rate of 0.29% in the past year according to the most recent United States census data. Hunterdon County is the 18th largest county in New Jersey. The 2010 population was 127,323 and has seen a growth of 2.84% since that time.