Open Policing Data Hub

FBI agency record

San Joaquin County Sheriff's Office

County agencyCA0390000NIBRS since 2023LEMAS 2020Founded 1849

San Joaquin County, California

Serves ~183,241 residents · LEMAS survey

Crime trendsNIBRSLEMASPoliciesOpen dataPOP projects

The San Joaquin County Sheriff's Office provides police services for San Joaquin County, California. Established in 1849, the current sheriff is Patrick Withrow, who heads a department of over 700 sworn and support personnel. Withrow replaced multi-term sheriff Steve Moore in 2019.

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Crime & staffing trends

No snapshot trend data is stored for this agency yet. Explore its full crime and employment history directly on the FBI Crime Data Explorer, which covers UCR summary data, NIBRS incidents, and police employment for ORI CA0390000.

NIBRS incident detail

NIBRS victims by offense · Jan 2021Dec 2024

Incident-based victim counts reported through NIBRS, from the FBI Crime Data Explorer.

Aggravated Assault: victim & offender age · 954 victims, 1,022 offenders
Victim sex
Male562 (59%)
Female380 (40%)
Unknown12 (1%)
Victim race
White771 (88%)
Black or African American99 (11%)
Asian11 (1%)
Weapons involved
Personal Weapons217 (26%)
Other160 (19%)
Firearm109 (13%)
Blunt Object100 (12%)
Knife/Cutting Instrument87 (11%)
Motor Vehicle/Vessel58 (7%)

Top 6 of 16 categories shown.

Incident location
Residence/Home487 (51%)
Highway/Road/Alley/Street/Sidewalk198 (21%)
Jail/Prison/Penitentiary/Corrections Facility68 (7%)
Other/Unknown43 (5%)
Parking/Drop Lot/Garage40 (4%)
Hotel/Motel/Etc.13 (1%)

Top 6 of 27 categories shown.

Victim–offender relationship
Relationship Unknown493 (38%)
Stranger164 (13%)
Otherwise Known130 (10%)
Boyfriend/Girlfriend107 (8%)
Acquaintance75 (6%)
Child58 (4%)

Top 6 of 25 categories shown.

Co-occurring offenses
Simple Assault44 (25%)
Intimidation25 (14%)
Destruction/Damage/Vandalism of Property22 (13%)
Weapon Law Violations20 (11%)
Drug/Narcotic Violations18 (10%)
Stolen Property Offenses9 (5%)

Top 6 of 22 categories shown.

Open data

No open-data portal has been found for this agency. Discovery sweeps Socrata, ArcGIS, and CKAN portals on a schedule, so this can change. Know of a portal or dataset this agency publishes? Tell us.

Staffing

LEMAS 2020 survey
Full-time sworn
296
Part-time sworn
55
Full-time civilian
201
Part-time civilian
43
Total FT employees
751
Population served
183,241
Operating budget
$95,150,089
Body-worn cameras: yesCommunity policing plan: yes

Source: BJS LEMAS 2020 (ICPSR) · all waves 1987–2020

Earlier LEMAS surveys
WaveFT swornFT civilianBudget
2013278416$123,751,689
2003302444$72,425,830
2000332174$56,475,463
1999328348
1997426162
1990427142

Staffing as reported in each BJS LEMAS survey wave; wave links go to the ICPSR study pages.

FBI police employment

Employment counts for this agency are available through the FBI Crime Data Explorer.

Open data

No catalogued open data portals for this agency yet, but its official website may publish records and transparency reports.

POP conference activity

No POP conference submissions matched to this agency in our records.

Agencies like this one

Compared by size, crime mix, rates, and staffing within the same agency class · precomputed from FBI trend and NIBRS data. Methodology: agency-metrics/metrics-spec.md

Assessing a response? These agencies double as informal comparison groups: if your trend falls while comparable agencies hold steady, the case that your response worked is much stronger. See the project report template.