County profile
Union County
25 law enforcement agencies reported internal affairs activity for 2025.
IA investigations, 2025
743[1]
Sworn officers, 2025
510[1]
Agencies in Union County
| Agency | Type | Officers | Investigations | Incidents | Major discipline |
|---|---|---|---|---|---|
| Elizabeth PDCivil service | Municipal police | 106 | 149 | 108 | 16 |
| Union Twp PDCivil service | Municipal police | 66 | 113 | 67 | 4 |
| Linden PDCivil service | Municipal police | 59 | 101 | 78 | 18 |
| Union Co Sheriffs OfficeCivil service | County sheriff | 34 | 48 | 37 | 5 |
| Scotch Plains PDCivil service | Municipal police | 23 | 45 | 34 | 4 |
| Rahway PDCivil service | Municipal police | 27 | 37 | 25 | 4 |
| Roselle PDCivil service | Municipal police | 21 | 29 | 21 | 7 |
| Union Co PDCivil service | Municipal police | 18 | 26 | 23 | 3 |
| Plainfield PDCivil service | Municipal police | 22 | 25 | 25 | 10 |
| Cranford PD | Municipal police | 17 | 22 | 20 | 0 |
| Summit PD | Municipal police | 14 | 20 | 19 | 1 |
| Hillside PDCivil service | Municipal police | 14 | 17 | 12 | 5 |
| Roselle Park PD | Municipal police | 9 | 16 | 13 | 0 |
| Westfield PD | Municipal police | 10 | 14 | 14 | 3 |
| Berkeley Heights PD | Municipal police | 11 | 13 | 12 | 1 |
| Union Co Prosecutors Office | County prosecutor | 13 | 13 | 11 | 2 |
| New Providence PD | Municipal police | 7 | 11 | 10 | 1 |
| Clark PDCivil service | Municipal police | 9 | 9 | 7 | 0 |
| Springfield Twp PD | Municipal police | 6 | 9 | 8 | 0 |
| Kean University PD | Municipal police | 7 | 7 | 6 | 5 |
| Mountainside PD | Municipal police | 6 | 7 | 4 | 2 |
| Garwood PD | Municipal police | 4 | 5 | 5 | 2 |
| Kenilworth PD | Municipal police | 3 | 3 | 3 | 0 |
| Fanwood PD | Municipal police | 2 | 2 | 1 | 1 |
| Winfield PD | Municipal police | 2 | 2 | 2 | 0 |
| Springfield Twp PD - Union County | Municipal police | not reported | not reported | not reported | 2 |
IA totals are for 2025; major discipline counts span 2020-2025. 11 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 Union County report in 2025?
- Agencies in Union County reported 743 internal affairs investigations in 2025, across 25 reporting agencies, according to New Jersey Attorney General data.
- How many police major discipline records are there in Union County?
- Union County agencies have 96 major discipline records in the Attorney General's 2020-2025 releases, including 9 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 Union 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 Union County rows, all years; row 1 is the header. ↩