FBI agency record
Loudoun County Sheriff's Office
Loudoun County, Virginia
Serves ~390,033 residents · UCR reported
The Loudoun County Sheriff's Office (LCSO) is the primary law enforcement agency within Loudoun County, Virginia and is the largest Sheriff's Office in the Commonwealth of Virginia. The agency is currently headed by Sheriff Michael L. Chapman who was last re-elected in 2023.
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Crime & staffing trends
Summary Reporting System counts from the FBI Crime Data Explorer.
Police employment counts reported to the FBI UCR program.
NIBRS incident detail
Incident-based victim counts reported through NIBRS, from the FBI Crime Data Explorer.
Top 6 of 14 categories shown.
Top 6 of 10 categories shown.
Open data
Last checked 2026-07-03
Staffing
- Full-time sworn
- 531
- Population served
- 357,176
Source: BJS LEMAS 2020 (ICPSR) · all waves 1987–2020
- Sworn officers (2025)
- 648
- Civilians (2025)
- 151
Reported annually to the FBI UCR program; full history charted above.
Open data
249 published policy documents on PowerDMS.
Browse policiesPOP conference activity
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.