Counties in New Jersey
Each county page says how cases move there under New Jersey's rules, and lists the police agencies that serve it.
21 counties, largest first
- Bergen County977,026 people · 74 agencies
- Essex County896,379 people · 30 agencies
- Middlesex County883,335 people · 30 agencies
- Hudson County735,033 people · 16 agencies
- Ocean County673,746 people · 35 agencies
- Monmouth County651,035 people · 54 agencies
- Union County601,863 people · 26 agencies
- Camden County535,799 people · 42 agencies
- Passaic County531,624 people · 20 agencies
- Morris County524,251 people · 43 agencies
- Burlington County481,439 people · 40 agencies
- Mercer County399,289 people · 19 agencies
- Somerset County356,486 people · 22 agencies
- Gloucester County312,638 people · 28 agencies
- Atlantic County278,657 people · 21 agencies
- Cumberland County157,148 people · 10 agencies
- Sussex County148,063 people · 16 agencies
- Hunterdon County131,781 people · 25 agencies
- Warren County112,953 people · 18 agencies
- Cape May County93,390 people · 17 agencies
- Salem County66,280 people · 11 agencies
Population: Census Bureau county population estimates, Vintage 2025 (cc-est2025-alldata), July 1, 2025.