Open Policing Data Hub

FBI agency record

King County Sheriff's Office

County agencyWA0170000NIBRS since 2018LEMAS 2020Founded 1852

King County, Washington

Serves ~563,612 residents · LEMAS survey

Crime trendsNIBRSLEMASPoliciesOpen dataPOP projects

The King County Sheriff's Office (KCSO) is a local law enforcement agency in King County, Washington, United States. It is the primary law enforcement agency for all unincorporated areas of King County, as well as 13 cities and two transit agencies which contract their police services to the KCSO. KCSO also provides police and fire Aircraft Rescue and Fire Fighting to King County International Airport. KCSO also provides regional-level support services to other local law enforcement agencies such as air support and search and rescue.

From Wikipedia, licensed CC BY-SA 4.0

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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 WA0170000.

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 · 1,469 victims, 1,454 offenders
Victim sex
Male857 (58%)
Female597 (41%)
Unknown15 (1%)
Victim race
White832 (63%)
Black or African American354 (27%)
Asian90 (7%)
American Indian or Alaska Native20 (2%)
Native Hawaiian or Other Pacific Islander16 (1%)
Weapons involved
Personal Weapons395 (30%)
Handgun234 (18%)
Knife/Cutting Instrument160 (12%)
Other159 (12%)
Asphyxiation130 (10%)
None67 (5%)

Top 6 of 20 categories shown.

Incident location
Residence/Home729 (50%)
Highway/Road/Alley/Street/Sidewalk362 (25%)
Air/Bus/Train Terminal127 (9%)
Parking/Drop Lot/Garage40 (3%)
Commercial/Office Building22 (1%)
Jail/Prison/Penitentiary/Corrections Facility21 (1%)

Top 6 of 30 categories shown.

Victim–offender relationship
Relationship Unknown480 (34%)
Stranger231 (16%)
Boyfriend/Girlfriend159 (11%)
Otherwise Known134 (9%)
Acquaintance87 (6%)
Ex-Relationship (Ex-Boyfriend/Girlfriend)74 (5%)

Top 6 of 23 categories shown.

Co-occurring offenses
Destruction/Damage/Vandalism of Property36 (22%)
Burglary/Breaking & Entering20 (12%)
Intimidation18 (11%)
Simple Assault17 (10%)
Weapon Law Violations11 (7%)
Kidnapping/Abduction10 (6%)

Top 6 of 20 categories shown.

Open data

Staffing

LEMAS 2020 survey
Full-time sworn
755
Part-time sworn
0
Full-time civilian
345
Part-time civilian
3
Total FT employees
1,132
Population served
563,612
Operating budget
$212,908,828
Body-worn cameras: noCommunity policing plan: no

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

Earlier LEMAS surveys
WaveFT swornFT civilianBudget
2013648380$144,000,000
2007718351$123,027,380
2003705320$105,000,000
2000653336$103,594,210
1999640349
1997579286
1993597238
1987518179

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.