Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 24, 2026.
Campbell County, Wyoming, has about 48,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Campbell County is held at the county jail, run by the Campbell County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Campbell County public records, Campbell County arrest records, Campbell County warrants, Campbell County police reports, Campbell County property records, Wyoming arrest records and Wyoming inmate search.
Finding Someone in Custody in Campbell County
A person kept in custody after an arrest in Campbell County is held at the county jail, run by the Campbell County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Campbell County Sheriff's Office at campbellcountywy.gov/187/Detention-Center (page title: Detention Center | Campbell County, WY), phone (307) 687-6138, 600 W. Boxelder Road Gillette, WY 82718, which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at (307) 687-6138.
The Campbell County Jail by the Numbers
On an average day in 2018 the jail held about 200 people. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Campbell County has about 48,000 residents (2024 Census Bureau estimate), so the jail holds about 41 people for every 10,000 residents.
Who Books People Into the Campbell County Jail
The Campbell County Sheriff's Office and the agency that reports for Gillette make the arrests that end in a booking in Campbell County.
The largest arrest counts reported to the FBI were Gillette's 1,717 for 2025 and the Campbell County Sheriff's Office's 379 for 2025.
Together, the two agencies in Campbell County with all twelve months of 2025 on file reported 2,096 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Campbell County arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Campbell County serves the sentence in a facility of the Wyoming Department of Corrections, whose inmate locator is at wdoc-loc.wyo.gov.
Frequently Asked Questions
How do I find an inmate in Campbell County?
Ask the Campbell County Sheriff's Office at (307) 687-6138; its jail page SearchSystems verified is at campbellcountywy.gov/187/Detention-Center.
How many people are in the Campbell County jail?
About 200 on an average day in 2018, the latest year in the Vera Institute's jail data.
What is the phone number for the Campbell County jail?
(307) 687-6138, the number on the page of the Campbell County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Campbell County go?
To a facility of the Wyoming Department of Corrections; its inmate locator is at wdoc-loc.wyo.gov.
Is this the official Campbell County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.