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.
Morton County, North Dakota, has about 34,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Morton County is held at the county jail, run by the Morton 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: Morton County public records, Morton County arrest records, Morton County warrants, Morton County police reports, Morton County property records, North Dakota arrest records and North Dakota inmate search.
Finding Someone in Custody in Morton County
The county jail, run by the Morton County Sheriff's Office, holds everyone kept in custody after an arrest in Morton County, from every agency.
SearchSystems opened and checked the jail page of the Morton County Sheriff's Office at mortonnd.gov/sheriffsoffice (page title: Sheriff's Office | Morton County, North Dakota), phone (701) 667-3330, 4000 Apple Creek Road Bismarck, ND 58504, 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 (701) 667-3330.
The Morton County Jail by the Numbers
On an average day in 2017 the jail held about 44 people. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Morton County has about 34,000 residents (2024 Census Bureau estimate), so the jail holds about 13 people for every 10,000 residents.
Who Books People Into the Morton County Jail
The Morton County Sheriff's Office and the agency that reports for Mandan make the arrests that end in a booking in Morton County.
The largest arrest counts reported to the FBI were Mandan's 1,023 for 2025 and the Morton County Sheriff's Office's 132 for 2025.
Together, the two agencies in Morton County with all twelve months of 2025 on file reported 1,155 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 Morton County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the North Dakota Department of Corrections and Rehabilitation lists its inmates at docr.nd.gov/resident-lookup.
Frequently Asked Questions
How do I find an inmate in Morton County?
Ask the Morton County Sheriff's Office at (701) 667-3330; its jail page SearchSystems verified is at mortonnd.gov/sheriffsoffice.
How many people are in the Morton County jail?
About 44 on an average day in 2017, the latest year in the Vera Institute's jail data.
What is the phone number for the Morton County jail?
(701) 667-3330, the number on the page of the Morton County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Morton 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 Morton 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.