Department profile · Morris County
Denville Police Department
Reported as: Denville PDMunicipal police
Jurisdiction context
Not a civil service jurisdiction
This department is not among the NJCSC Appendix A jurisdictions, so major discipline here follows a different statutory track (generally N.J.S.A. 40A:14), with appeals that usually go to the Superior Court rather than the Civil Service Commission.
See the context on non-civil-service departments.
Reflects the NJCSC Appendix A roster as of 2026-07-04. Context only, not legal advice.
In brief
In Morris County, the Denville Police Department is a municipal police agency. It reported 4 sworn officers in 2025 and 5 internal affairs investigations that year. Its rate of 125 investigations per 100 officers was close to the 125.6 median for municipal police. Of the 5 investigations detailed for 2025, 1 reported a sustained complaint. The most common allegation label was other departmental rule violation, recorded three times.
No major discipline records appear for the agency in the 2020 through 2025 releases, and the absence of records is not a finding. On the site report card the department received a C, and it falls in the 57th percentile of its peer group of 361 agencies in the 1-14 officer band. A higher volume of internal affairs activity can reflect more misconduct or a stronger reporting culture.
Written by this site strictly from the figures on this page; every number is cited below.
Sworn officers, 2025
4[1]
IA investigations, 2025
5[1]
Incidents, 2025
5[1]
Major discipline records
0
All years, 2020-2025
Internal affairs investigations by year
| 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 34 | 9 | 11 | 3 | 5 |
Complaint mix, 2025
Most serious allegation per investigation, as categorized by the reporting agency. Allegations are not findings: of 5 investigations, 1 reported one or more sustained complaints. Officer-level rows list 4 officers involved.[7]
Most serious allegation
| Other Departmental Rule Violation | 3 |
|---|---|
| Differential Treatment | 1 |
| Neglect of Duty | 1 |
Internal disposition
| Exonerated | 3 |
|---|---|
| Sustained | 1 |
| not provided | 1 |
Against peers, 2025
| Denville PD | 125.0 |
|---|---|
| County median, municipal police (35) | 116.7 |
| NJ median, municipal police (447) | 125.6 |
Investigations per 100 sworn officers, using the officer counts each agency reported for 2025. A higher number is ambiguous on its own: it can reflect more misconduct, or a stronger internal reporting culture. Medians are computed within the same agency type only.
Major discipline records
No major discipline records appear for this agency in the 2020-2025 releases. Absence of records is not a finding; see the methodology for what this data does and does not cover.
Questions and answers
- How many internal affairs investigations did Denville Police Department report in 2025?
- Denville Police Department reported 5 internal affairs investigations in 2025, according to New Jersey Attorney General data. It reported 4 sworn officers that year.
- How many major discipline records does Denville Police Department have?
- No major discipline records appear for Denville Police Department in the Attorney General's 2020-2025 releases. Absence of records is not a finding; discipline is listed only after all appeals conclude.
Sources
- [1]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 2380. Snapshot retrieved 2026-06-09. ↩
- [2]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 346. Snapshot retrieved 2026-06-09. ↩
- [3]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1363. Snapshot retrieved 2026-06-09. ↩
- [4]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1869. Snapshot retrieved 2026-06-09. ↩
- [5]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 850. Snapshot retrieved 2026-06-09. ↩
- [6]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 2380. Snapshot retrieved 2026-06-09. ↩
- [7]New Jersey Internal Affairs Investigations, 2024-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1. Snapshot retrieved 2026-06-09. Aggregated from every Denville PD row for 2025; row 1 is the header. ↩