Department profile · Mercer County
Mercer County Prosecutor's Office
Reported as: Mercer Co Prosecutor OfficeCounty prosecutor
Jurisdiction context
Civil service status not verified
We could not match this agency to the NJCSC roster with confidence. Whether the Title 4A framework applies here is not asserted either way.
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
The Mercer County Prosecutor's Office, classified as a county prosecutor agency in Mercer County, reported 1 officer named in an internal affairs case in 2025 and 1 investigation. Its rate of 100 per 100 officers matched the county median of 100 and came in under the 107.5 median for prosecutor agencies. A rate above those medians can reflect more misconduct or a stronger habit of writing complaints down. None of the 1 investigation detailed for 2025 reported sustained complaints. The single allegation category was Other Departmental Rule Violation.
Three major discipline records appear across the 2020-2025 releases, from 2024 and 2025, including one termination. The office received a D on the report card, at the 74th percentile among 21 peers in the group of all prosecutor agencies, a medium-confidence grade.
Written by this site strictly from the figures on this page; every number is cited below.
Officers named in IA cases, 2025
1[1]
Distinct officers in that year's IA investigations, not total staffing
IA investigations, 2025
1[1]
Incidents, 2025
1[1]
Major discipline records
3
All years, 2020-2025
Staffing
As reported by the department to the FBI's Law Enforcement Employees (LEE) census, full-time personnel as of October 31 each year. This is a different measurement from the "officers named in IA cases" figure above; see the methodology.
Sworn officers, 2025
65[5]
50 years reported
| Year | sworn officers |
|---|---|
| 1976 | 33 |
| 1977 | 53 |
| 1978 | 53 |
| 1979 | 59 |
| 1980 | 56 |
| 1981 | 53 |
| 1982 | 34 |
| 1983 | 34 |
| 1984 | 52 |
| 1985 | 54 |
| 1986 | 54 |
| 1987 | 54 |
| 1988 | 67 |
| 1989 | 68 |
| 1990 | 75 |
| 1991 | 79 |
| 1992 | 80 |
| 1993 | 78 |
| 1994 | 81 |
| 1995 | 79 |
| 1996 | 77 |
| 1997 | 78 |
| 1998 | 91 |
| 1999 | 93 |
| 2000 | 96 |
| 2001 | 95 |
| 2002 | 101 |
| 2003 | 97 |
| 2004 | 100 |
| 2005 | 102 |
| 2006 | 107 |
| 2007 | 105 |
| 2008 | 106 |
| 2009 | 50 |
| 2010 | 51 |
| 2011 | 49 |
| 2012 | 54 |
| 2013 | 54 |
| 2014 | 53 |
| 2015 | 53 |
| 2016 | 56 |
| 2017 | 60 |
| 2018 | 61 |
| 2019 | 64 |
| 2020 | 64 |
| 2021 | 62 |
| 2022 | 59 |
| 2023 | 62 |
| 2024 | 62 |
| 2025 | 65 |
How Mercer County Prosecutor's Office's sworn staffing compares with its real peer group (same agency type, similar size band), not an assumed bell curve.
Peer group: County prosecutor, all prosecutor agencies (n=20)
| Range | Agencies |
|---|---|
| 0–50 | 9 |
| 50–100 | 8 |
| 100–150 | 3 |
Mercer County Prosecutor's Office: 65 sworn officers: 57th percentile among County prosecutor, all prosecutor agencies (n=20).
The match between this FBI record and this department is this site's inference, not a certified mapping. If it is wrong, we will remove it: corrections.
Military surplus equipment (1033 program)
No 1033 transfers recorded. No surplus-equipment transfers appear for this agency under a high-confidence name match in the Defense Logistics Agency's file as of 2026-06-30. That can mean the agency received nothing through the program, or that a recipient name in the federal file did not confidently match this department. See the methodology for how the match is made, or the statewide 1033 overview for how the program spreads across New Jersey.
Internal affairs investigations by year
counts
| Category | counts |
|---|---|
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Incidents
1 in 2025
| Year | counts |
|---|---|
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Officers on IA rows
1 in 2025
| Year | counts |
|---|---|
| 2021 | not reported |
| 2022 | not reported |
| 2023 | not reported |
| 2024 | 4 |
| 2025 | 1 |
Computed by this site from the two figures the agency reports each year. Not a misconduct rate: it describes how an agency resolved what it investigated.
share of total · 5 reported years
| Year | share of total |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 25 |
| 2025 | 0 |
Statewide, 19.5 percent of investigations reported a sustained complaint in 2025. How dispositions break down statewide.
Complaint mix, 2025
Most serious allegation per investigation, as categorized by the reporting agency. Officer-level rows list 1 officers involved.
Most serious allegation
| Other Departmental Rule Violation | 1 |
|---|
Statewide category pages: Other Departmental Rule Violation
Internal disposition
| not provided | 1 |
|---|
Allegations by year, 2021 to 2025
Other Departmental Rule Violation
7 of 20
| Year | counts |
|---|---|
| 2021 | 4 |
| 2022 | 0 |
| 2023 | 2 |
| 2024 | 0 |
| 2025 | 1 |
not provided
4 of 20
| Year | counts |
|---|---|
| 2021 | 0 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 0 |
| 2025 | 0 |
Conduct Unbecoming/Discredit To The Agency
3 of 20
| Year | counts |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 3 |
| 2025 | 0 |
Domestic violence (Non-Criminal)
3 of 20
| Year | counts |
|---|---|
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
Other (3 categories)
3 of 20
| Year | counts |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 0 |
Against peers, 2025
How this grade was built →| Mercer County Prosecutor's Office | 100.0 |
|---|---|
| County median, county prosecutor (1) | 100.0 |
| NJ median, county prosecutor (21) | 107.5 |
Investigations per 100 officers named in that year's IA investigations (the Attorney General's own "Number of Officers" field, a distinct-officer count drawn from the IA case data itself, not a department headcount). 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.
1 investigations reported for 2025[1] ÷ 65 sworn officers the department reported to the FBI for 2025[19] = 1.5 per 100 FBI-reported sworn officers. This is a genuinely different denominator from the rate above, not a correction of it; the two should not be added or averaged together. See the methodology for why these two officer counts diverge.
Report card
Grade D: Second-highest fifth
On reported IA volume and discipline severity; see methodology
- Combined standing
- 74th percentile of 21 peers
- Confidence
- Medium confidence
- small agency; per-officer rates swing widely on a handful of cases
Where this agency falls among its peers
The actual spread of discipline severity across Mercer County Prosecutor's Office's real peer group, not an assumed bell curve. If the group is skewed, it is shown skewed.
Peer group: County prosecutor, all prosecutor agencies (n=21)
| Range | Agencies |
|---|---|
| 0–100 | 16 |
| 100–200 | 2 |
| 200–300 | 2 |
| 300–400 | 1 |
Mercer County Prosecutor's Office: 210.526 severity-weighted discipline per 100 IA-investigated officers: 93rd percentile among County prosecutor, all prosecutor agencies (n=21).
How the grade is built
Three components, each a percentile within the peer group. The combined standing is their weighted mean, re-ranked among peers; the grade is the fifth of the peer group it lands in.
IA volumeweight 40%
108.8 investigations per 100 officers (multi-year mean)
Internal affairs investigations per 100 reported officers, averaged over the years where the agency reported both figures.
Discipline severityweight 40%
210.5 severity-weighted discipline per 100 officers, 2020-2025
Major discipline records weighted by sanction (termination 4, demotion 3, suspension 2, other 1) per 100 officers.
Allegation severityweight 20%
1.94 mean severity tier (1 low - 4 critical)
Mean severity tier of IA allegations across 2021-2025, using the published tier map; unknown values excluded.
What this grade can and can't tell you
- The underlying data is self-reported by agencies, one yearly snapshot at a time.
- Allegations are not findings; many complaints end unfounded, exonerated, or not sustained.
- There is no arrest or call-volume denominator in this data, so nothing here is a per-capita misconduct rate. A genuinely independent staffing-based rate, sourced from the FBI rather than this grade's own data, appears above when available. It is a different measurement, not a more accurate version of the grade.
- A higher internal affairs volume is ambiguous: it can indicate more misconduct, or a more robust oversight and reporting culture. The grade weighs it anyway, because volume is what the record offers; that choice is published, not hidden.
- The grade is one lens. The records it reads are on this page above.
Where this agency ranks
| Metric | Value | Rank |
|---|---|---|
| IA per 100 investigated officers2025 | 100.0 | 12th of 21 county prosecutor |
| IA investigations2025 | 1 | 19th of 21 county prosecutor |
| IA incidents2025 | 1 | 19th of 21 county prosecutor |
| Major discipline2020-2025 | 3 | 2nd of 16 county prosecutor |
| Terminations2020-2025 | 1 | 2nd of 4 county prosecutor |
| OPRA requests recordedOPRAmachine, 2017 to present | 4 | 15th of 15 county prosecutor |
Major discipline records
| Year | major discipline records |
|---|---|
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 2 |
| 2025 | 1 |
1 major discipline records in 2025, up from 0 in 2020.
Every name links to the officer's record page with the agency's full synopsis and citation.
Public records requests
Records requests about this department filed through OPRAmachine, an independent site that files Open Public Records Act requests in public and publishes the responses.[2] This is a third-party, user-generated source, separate in origin from the Attorney General records elsewhere on this page.
Current as of 12 July 2026. These figures are a point-in-time snapshot and do not update: requests filed to OPRAmachine after that date do not appear here. For live activity, see this body on OPRAmachine.
What happened to those requests
Statuses as recorded on OPRAmachine. They are set by the person who filed the request when they classify what came back, not by the agency and not by any court. They describe the fate of a records request and nothing else.
| Awaiting agency response | 3 |
|---|---|
| Request refused | 1 |
Recent requests
The 4 most recent requests to Mercer County Prosecutor's Office, by date and recorded status. Each was written by a member of the public. A request is a question somebody asked. It is not a finding, not an allegation this site makes, and not evidence that anything happened.
- 2026-06-16Awaiting agency response
- 2025-12-08Awaiting agency response
- 2025-04-07Request refused
- 2025-03-20Awaiting agency response
Show what each request asked for, as the requester wrote it
These titles are quoted from OPRAmachine exactly as the requester typed them. They are the requester's words, not this site's, and some describe what the requester believed or suspected. Nothing here has been established as fact.
A member of the public requested: “Records Request”
2026-06-16 · Awaiting agency response
A member of the public requested: “Request for Existing BWC &/ MVC Footage & Requests”
2025-12-08 · Awaiting agency response
A member of the public requested: “533 Whitehead Road Fire Investigation Records”
2025-04-07 · Request refused
A member of the public requested: “Seeking arrest records”
2025-03-20 · Awaiting agency response
File your own records request
Anyone can request records from this department under the Open Public Records Act. This link opens a request on OPRAmachine, pre-filled with a neutral starting point you can edit or replace before you send it. The request, and any response, will be published there.
File an OPRA request about this department
See every request filed to Mercer County Prosecutor's Office on OPRAmachine.
What this section can and can't tell you
- A request is not a finding. Every entry records what a member of the public asked for. None of it establishes that an agency did anything, and none of it is an allegation this site is making.
- Statuses come from the requester, not the agency. On OPRAmachine the person who filed the request classifies the response they got, so “successful” means they said they got what they asked for. It is not the agency's word and not an adjudication.
- Request volume is not a measure of misconduct. A long list usually reflects public interest, local journalism, or one determined requester. A short list usually means few people have asked.
- This covers OPRAmachine only. Most OPRA requests in New Jersey are filed directly with agencies and never appear here, so this is a floor, not a total.
- It is frozen at 12 July 2026. The figures come from a snapshot of OPRAmachine taken on that date and nothing refreshes them, so anything filed since is missing. Treat every number here as a lower bound that is only getting further out of date.
The match between this OPRAmachine body and this department is this site's inference, not a certified mapping. If it is wrong, we will remove it: corrections.
Questions and answers
What is a summary of Mercer County Prosecutor's Office's internal affairs and discipline record?
The Mercer County Prosecutor's Office, classified as a county prosecutor agency in Mercer County, reported 1 officer named in an internal affairs case in 2025 and 1 investigation. Its rate of 100 per 100 officers matched the county median of 100 and came in under the 107.5 median for prosecutor agencies. A rate above those medians can reflect more misconduct or a stronger habit of writing complaints down. None of the 1 investigation detailed for 2025 reported sustained complaints. The single allegation category was Other Departmental Rule Violation. Three major discipline records appear across the 2020-2025 releases, from 2024 and 2025, including one termination. The office received a D on the report card, at the 74th percentile among 21 peers in the group of all prosecutor agencies, a medium-confidence grade.
How many internal affairs investigations did Mercer County Prosecutor's Office report in 2025?
Mercer County Prosecutor's Office reported 1 internal affairs investigations in 2025, according to New Jersey Attorney General data. 1 distinct officers were named in that year's IA investigations.
How many major discipline records does Mercer County Prosecutor's Office have?
Mercer County Prosecutor's Office has 3 major discipline records in the Attorney General's 2020-2025 releases, of which 1 were terminations. These are final, adjudicated actions, not allegations.
How many officers does Mercer County Prosecutor's Office have?
Mercer County Prosecutor's Office reported 65 full-time sworn officers to the FBI's Law Enforcement Employees census for 2025, 24.6% of them female. This is a different measurement from the "officers named in IA cases" figure elsewhere on this page, which counts distinct officers in that year's internal affairs investigations, not total staffing.
Sources
- [1]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 2294. Snapshot retrieved 2026-06-09. ↩
- [2]Records-request activity for Mercer County Prosecutor's Office. OPRAmachine (opramachine.com), an independent public-records platform. Publicly visible requests only. Point-in-time snapshot taken 2026-07-12 from a database export dated 2026-07-11. Not updated after that date; see opramachine.com for current activity. ↩
- [3]New Jersey Internal Affairs Officers, 2024-2025. New Jersey Office of the Attorney General. Officer counts summed across every Mercer Co Prosecutor Office row. Snapshot retrieved 2026-06-09. ↩
- [4]New Jersey county boundaries. New Jersey Office of Information Technology, Office of GIS (NJOGIS). NJ_Counties_3857 (FeatureServer layer 0), https://services2.arcgis.com/XVOqAjTOJ5P6ngMu/arcgis/rest/services/NJ_Counties_3857/FeatureServer/0. 2020 boundary delineation. Retrieved 2026-07-27. Boundaries are generalized for display. This data set is not a survey document and must not be used as such. The polygons do not represent legal boundaries.
- [5]FBI Law Enforcement Employees (LEE), New Jersey subset. Federal Bureau of Investigation. Row 8386. Derived from the public Law Enforcement Employees (LEE) / Police Employee Data dataset (1960-2025), https://cde.ucr.cjis.gov/. ↩
- [6]FBI Law Enforcement Employees (LEE), New Jersey subset. Federal Bureau of Investigation. Row 8386. Derived from the public Law Enforcement Employees (LEE) / Police Employee Data dataset (1960-2025), https://cde.ucr.cjis.gov/. ↩
- [7]FBI Law Enforcement Employees (LEE), New Jersey subset. Federal Bureau of Investigation. Row 8386. Derived from the public Law Enforcement Employees (LEE) / Police Employee Data dataset (1960-2025), https://cde.ucr.cjis.gov/. ↩
- [8]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 262. Snapshot retrieved 2026-06-09. ↩
- [9]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1279. Snapshot retrieved 2026-06-09. ↩
- [10]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1782. Snapshot retrieved 2026-06-09. ↩
- [11]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 766. Snapshot retrieved 2026-06-09. ↩
- [12]New Jersey Internal Affairs Agency Totals, 2021-2025. New Jersey Office of the Attorney General. Sheet "Sheet1", row 2294. Snapshot retrieved 2026-06-09. ↩
- [13]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 Mercer Co Prosecutor Office row for 2025; row 1 is the header. ↩
- [14]New Jersey Internal Affairs Data Download, 2021-2023. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1. Snapshot retrieved 2026-06-09. Aggregated from every Mercer Co Prosecutor Office row for 2021. ↩
- [15]New Jersey Internal Affairs Data Download, 2021-2023. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1. Snapshot retrieved 2026-06-09. Aggregated from every Mercer Co Prosecutor Office row for 2022. ↩
- [16]New Jersey Internal Affairs Data Download, 2021-2023. New Jersey Office of the Attorney General. Sheet "Sheet1", row 1. Snapshot retrieved 2026-06-09. Aggregated from every Mercer Co Prosecutor Office row for 2023. ↩
- [17]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 Mercer Co Prosecutor Office row for 2024. ↩
- [18]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 Mercer Co Prosecutor Office row for 2025. ↩
- [19]FBI Law Enforcement Employees (LEE), New Jersey subset. Federal Bureau of Investigation. Row 8386. Derived from the public Law Enforcement Employees (LEE) / Police Employee Data dataset (1960-2025), https://cde.ucr.cjis.gov/. ↩
- [20]Ranks computed by this site over the Attorney General internal affairs agency totals and major discipline releases, within agency type. Each ranking page lists every agency and its source rows. ↩
- [21]New Jersey Major Discipline Data, 2020-2025. New Jersey Office of the Attorney General. Sheet "Major Discipline Data", row 419. Snapshot retrieved 2026-07-03. ↩
- [22]New Jersey Major Discipline Data, 2020-2025. New Jersey Office of the Attorney General. Sheet "Major Discipline Data", row 1146. Snapshot retrieved 2026-07-03. ↩
- [23]New Jersey Major Discipline Data, 2020-2025. New Jersey Office of the Attorney General. Sheet "Major Discipline Data", row 1147. Snapshot retrieved 2026-07-03. ↩