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 between September 24, 2026 and September 30, 2026.
Fairmont, West Virginia, in Marion County, has about 18,000 residents (2024 Census Bureau estimate). A person held after an arrest in Fairmont is at the regional jail that serves Marion County, and the state's inmate search covers every regional jail. 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: Fairmont public records, Marion County inmate search, Fairmont arrest records, Fairmont warrants, Fairmont criminal records, Fairmont court records, West Virginia arrest records and West Virginia inmate search.
Finding Someone in Custody in Fairmont
West Virginia closed its county jails in favor of regional jails run by the West Virginia Division of Corrections and Rehabilitation, so a person held after an arrest in Fairmont is at the regional jail that serves Marion County, and the state's inmate search covers all of them.
That search is at dcr.wv.gov/offendersearch/Pages/default.aspx.
Marion County in the Regional Jail: The Numbers
On an average day in 2024 the regional jail held about 120 people from Marion County, down from about 120 in 2019. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Marion County has about 56,000 residents (2024 Census Bureau estimate), so about 22 of every 10,000 of them are in the regional jail on an average day.
Who Books People
The Marion County Sheriff's Office and the agency that reports for Fairmont (filed by the FBI as Fairmont Police Department) make the arrests that end in a booking in and around Fairmont.
The FBI's agency list also places two state agencies, one campus police department, one other agency and one state police unit in Marion County (the arrest records guide names each one).
The largest arrest counts reported to the FBI were Monongah's 1,152 for 2025, Fairview's 1,152 for 2025 and Barrackville's 1,152 for 2025.
Together, the five agencies in Marion County with all twelve months of 2025 on file reported 4,032 arrests to the FBI that year. Those kept in custody were booked into the regional jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Fairmont 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 Marion County serves the sentence in a facility of the West Virginia Division of Corrections and Rehabilitation, whose inmate locator is at dcr.wv.gov/offendersearch/Pages/default.aspx.
Frequently Asked Questions
How do I find an inmate in Fairmont?
Through the state's inmate search at dcr.wv.gov/offendersearch/Pages/default.aspx, which covers every regional jail; the page of the Marion County Sheriff's Office SearchSystems verified is at marioncountywv.com.
How many people from Marion County are in the regional jail?
About 120 on an average day in 2024, the latest year in the Vera Institute's jail data.
Where do people sentenced to prison in Marion County go?
To a facility of the West Virginia Division of Corrections and Rehabilitation; its inmate locator is at dcr.wv.gov/offendersearch/Pages/default.aspx.
Is this the official Fairmont website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.