County profile
Middlesex County
28 law enforcement agencies reported internal affairs activity for 2025.
IA investigations, 2025
622[1]
Sworn officers, 2025
481[1]
Agencies in Middlesex County
| Agency | Type | Officers | Investigations | Incidents | Major discipline |
|---|---|---|---|---|---|
| Woodbridge Twp PDCivil service | Municipal police | 59 | 77 | 77 | 14 |
| Edison Twp PD | Municipal police | 48 | 56 | 37 | 6 |
| New Brunswick PDCivil service | Municipal police | 37 | 47 | 47 | 4 |
| Middlesex Co Sheriffs DeptCivil service | County sheriff | 29 | 44 | 44 | 0 |
| Middlesex Co CorrectionsCivil service | Corrections | 28 | 42 | 42 | 0 |
| Piscataway Twp PD | Municipal police | 32 | 38 | 38 | 1 |
| South Brunswick Twp PD | Municipal police | 24 | 31 | 31 | 5 |
| Perth Amboy PDCivil service | Municipal police | 27 | 29 | 29 | 1 |
| North Brunswick Twp PDCivil service | Municipal police | 24 | 27 | 27 | 4 |
| Sayreville PDCivil service | Municipal police | 18 | 26 | 22 | 4 |
| Carteret PDCivil service | Municipal police | 17 | 25 | 14 | 0 |
| South Plainfield PDCivil service | Municipal police | 17 | 23 | 16 | 2 |
| South Amboy PDCivil service | Municipal police | 12 | 17 | 17 | 0 |
| Metuchen PD | Municipal police | 12 | 15 | 10 | 0 |
| Cranbury Twp PD | Municipal police | 9 | 14 | 8 | 0 |
| South River PD | Municipal police | 11 | 14 | 11 | 3 |
| Highland Park PD | Municipal police | 9 | 13 | 11 | 1 |
| Milltown PDCivil service | Municipal police | 5 | 13 | 12 | 1 |
| Old Bridge Twp PD | Municipal police | 12 | 13 | 11 | 4 |
| Middlesex Co Prosecutors Office | County prosecutor | 10 | 12 | 6 | 1 |
| Monroe Twp PD | Municipal police | 10 | 11 | 8 | 0 |
| Middlesex Boro PD | Municipal police | 8 | 10 | 10 | 3 |
| Jamesburg PD | Municipal police | 7 | 8 | 4 | 0 |
| East Brunswick Twp PD | Municipal police | 7 | 7 | 7 | 1 |
| Plainsboro Twp PD | Municipal police | 4 | 5 | 4 | 3 |
| Middlesex Co College PD | Municipal police | 2 | 2 | 2 | 0 |
| Spotswood PD | Municipal police | 2 | 2 | 2 | 0 |
| Dunellen PD | Municipal police | 1 | 1 | 1 | 4 |
| Middlesex County Department of CorrectionsCivil service | Corrections | not reported | not reported | not reported | 36 |
| Middlesex County Sheriffs OfficeCivil service | County sheriff | not reported | not reported | not reported | 18 |
| Monroe Twp PD - Middlesex County | Municipal police | not reported | not reported | not reported | 1 |
IA totals are for 2025; major discipline counts span 2020-2025. 13 of these agencies are in civil service jurisdictions governed by the Title 4A discipline framework (see the full local jurisdiction roster).
Questions and answers
- How many internal affairs investigations did Middlesex County report in 2025?
- Agencies in Middlesex County reported 622 internal affairs investigations in 2025, across 28 reporting agencies, according to New Jersey Attorney General data.
- How many police major discipline records are there in Middlesex County?
- Middlesex County agencies have 117 major discipline records in the Attorney General's 2020-2025 releases, including 24 terminations. These are final, adjudicated actions.
Sources
- [1]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1. Snapshot retrieved 2026-06-09. County totals summed over Middlesex County agency rows for 2025; row 1 is the header. ↩
- [2]New Jersey Major Discipline Data, 2020-2025. New Jersey Office of the Attorney General. Sheet "Major Discipline Data", row 1. Snapshot retrieved 2026-07-03. Record counts from Middlesex County rows, all years; row 1 is the header. ↩