KCSO Offense Reports: 2020 to Present with NIBRS Crime Classifications

2020 to present offense report data from the King County Sheriff’s Office, captured in its Records Management System and standardized to the FBI’s National Incident-Based Reporting System (NIBRS). The dataset includes finalized, supervisor-approved reports, with daily updates reflecting the fluid approval and investigative process. Data is provided by the King County Sheriff’s Office via the data.kingcounty.gov platform.

Use Cases

• Analyzing temporal crime patterns using incident_datetime, hour_of_day, and day_of_week (from 16 available columns).
• Mapping crime density by geographic area using district, precinct, reporting_area, and block_address (from 16 available columns).
• Classifying incident types and comparing NIBRS crime categories using nibrs_code and nibrs_code_name (from 16 available columns).
• Tracking case status changes and data freshness using case_number, created_at, and updated_at (from 16 available columns).

Strengths

• Data is standardized to the FBI's NIBRS system, enabling comparison over time and between agencies.
• Updates occur once every twenty-four hours, providing relatively current data.
• Includes 16 columns covering temporal, geographic, and categorical details of each reported offense.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to King County, Washington.
• Records can be removed and re-added based on approval status, introducing potential volatility.

Provenance

Source

King County Sheriff’s Office (KCSO)

Collection Method

Data captured in the KCSO Records Management System (RMS) and released as finalized, supervisor-approved reports.

Time Range

2020 to present

Freshness

Last updated 2026-04-03 12:39:38; updates once every twenty-four hours.

Geography

King County, Washington, USA