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 October 4, 2026.
McHenry County, North Dakota, has about 5,100 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in McHenry County is held at the county jail, run by the McHenry 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: McHenry County public records, McHenry County arrest records, McHenry County warrants, McHenry County police reports, North Dakota arrest records and North Dakota inmate search.
Finding Someone in Custody in McHenry County
The county jail, run by the McHenry County Sheriff's Office, holds everyone kept in custody after an arrest in McHenry County, from every agency.
SearchSystems opened and checked the jail page of the McHenry County Sheriff's Office at mchenrycountynd.gov/departments/sheriffs-office (page title: McHenry County, North Dakota | Departments), phone (701) 537-5633, 407 Main Street South, Room 303 Towner, ND 58788, Monday through Friday 8:00 AM to 4:30 PM, which answered when SearchSystems opened it on October 4, 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 (701) 537-5633.
The McHenry County Jail by the Numbers
On an average day in 2023 the jail held about 27 people, down from about 36 in 2019. Its rated capacity in 2023 was 50 beds, and it ran at 54 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
McHenry County has about 5,100 residents (2024 Census Bureau estimate), so the jail holds about 53 people for every 10,000 residents.
Who Books People Into the McHenry County Jail
The McHenry County Sheriff's Office makes the arrests that end in a booking in McHenry County.
The McHenry County Sheriff's Office reported 114 arrests to the FBI for 2025. 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 McHenry 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 McHenry County serves the sentence in a facility of the North Dakota Department of Corrections and Rehabilitation, whose inmate locator is at docr.nd.gov/resident-lookup.
Frequently Asked Questions
How do I find an inmate in McHenry County?
Ask the McHenry County Sheriff's Office at (701) 537-5633; its jail page SearchSystems verified is at mchenrycountynd.gov.
How many people are in the McHenry County jail?
About 27 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 50 beds.
What is the phone number for the McHenry County jail?
(701) 537-5633, the number on the page of the McHenry County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in McHenry County go?
To a facility of the North Dakota Department of Corrections and Rehabilitation; its inmate locator is at docr.nd.gov/resident-lookup.
Is this the official McHenry 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.