About Mountrail County

County Seat Stanley
Established 1873
Named After Joseph Mountraille

Mountrail County is located in northwestern North Dakota and includes approximately 1,941 square miles of diverse terrain including prairie grasslands and portions of the Missouri River basin. Mountrail County Seat is Stanley, a small city situated in the heart of Mountrail County. As of recent census estimates, Mountrail County has experienced significant population growth due to oil development in the Bakken Formation, with the population rising to over 10,000 residents from approximately 6,000 in 2000.

  • Lake Sakakawea, one of the largest man-made lakes in the United States, forms much of Mountrail County's southern border and provides recreational opportunities.

Mountrail County was established in 1873 and organized in 1909, named after Joseph Mountraille, a métis guide and interpreter. Major communities include Stanley, New Town (headquarters of the MHA Nation), Parshall, Plaza, and Ross. Mountrail County is home to part of the Fort Berthold Indian Reservation, which is shared with McLean and Dunn counties and is the home of the Mandan, Hidatsa, and Arikara Nation (MHA Nation).

Mountrail County Courthouse is located at 100 1st Street NE in Stanley. Key county offices include Mountrail County Recorder, County Clerk, and Assessor, all located in the courthouse. Mountrail County has been transformed by oil and gas development since the mid-2000s Bakken boom, bringing economic growth alongside infrastructure challenges.

Agriculture, particularly wheat and cattle production, remains important alongside energy extraction as foundational economic activities.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

Mountrail County Sheriff's Office is responsible for law enforcement across the unincorporated areas of Mountrail County. It manages Mountrail County Jail, processes arrests, and maintains criminal records. Notable programs include community policing initiatives and partnerships with local schools to enhance safety and security.

Police Departments

In addition to Mountrail County Sheriff's Office, several city police departments operate within Mountrail County, including the Stanley Police Department and the New Town Police Department. These agencies are responsible for law enforcement within their respective municipalities. They collaborate with the Sheriff's Office on major crimes and regional safety initiatives, making sure of full coverage across Mountrail County.

Law Enforcement & Arrests

Mountrail County Sheriff's Office, located at 100 1st Street NE in Stanley, ND 58784, provides primary law enforcement services throughout the unincorporated areas of Mountrail County. The office operates Mountrail County Correctional Center, which houses inmates for Mountrail County. Inmate information and jail roster details can be obtained by contacting the detention facility directly at or by visiting the courthouse in person during regular business hours.

  • The Fort Berthold Law Enforcement Services Division provides police services on the Fort Berthold Indian Reservation under tribal jurisdiction.
  • To request arrest records, citizens may submit written requests to the Sheriff's Office or the relevant municipal police department.
  • Mugshots and booking photos are typically available through the jail upon request, though some information may be restricted for ongoing investigations.

Municipal law enforcement is provided by the Stanley Police Department serving Mountrail County Seat, and the New Town Police Department serving the city of New Town. Arrest records and booking information in Mountrail County are considered public records under North Dakota Century Code Chapter 44-04, the state's open records law. Due to Mountrail County's large geographic area and the presence of both state and tribal jurisdiction, coordination among multiple law enforcement agencies is common.

Oil field activity has increased demands on law enforcement resources, leading to enhanced staffing and inter-agency cooperation agreements.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records ecosystem in Mountrail County includes records of felonies, misdemeanors, traffic violations, and the sex offender registry. Residents can conduct background checks through the Bureau, which provides full criminal history reports. The system ensures that individuals and businesses can access necessary information for safety and employment purposes.

Arrest Records

Arrest records in Mountrail County are maintained by Mountrail County Sheriff's Office. These records include details of the arrest, charges, and personal information of the individual. Residents and attorneys can request access to arrest records by contacting the Sheriff's Office directly. The North Dakota Open Records Statute governs the accessibility of these records, for public access and public access to information.

Jail & Inmate Records

Mountrail County Jail, located in Stanley, is the primary detention facility for Mountrail County. The booking process involves fingerprinting, photographing, and documenting the personal information of individuals taken into custody. Inmate information can be accessed through the Sheriff's Office If you need to locate someone recently arrested. Visitation rules are specific to the facility, requiring appointments and adherence to security protocols. The bond and bail process follows North Dakota state guidelines, allowing for the release of detainees under certain conditions.

Mugshots & Booking Photos

Mugshots in Mountrail County are taken and retained by Mountrail County Sheriff's Office during the booking process. These images are part of the public record and can be accessed through the Sheriff's Office or online databases. While North Dakota does not have specific mugshot removal laws, individuals seeking to remove their images from public view may need to pursue legal avenues or contact the hosting entity directly.

Courts & Case Records

Mountrail County is served by the Northwest Judicial District of the North Dakota District Court system. Mountrail County District Court is located at Mountrail County Courthouse, 100 1st Street NE, Stanley, ND 58784 Mountrail County Court has general jurisdiction over civil cases, criminal felonies and misdemeanors, family law matters including divorce and custody, probate and estate proceedings, and juvenile cases. North Dakota does not have county-level courts; instead, the unified District Court system serves all counties.

  • Case information and court records can be accessed through the North Dakota Supreme Court's public access portal at www.ndcourts.gov/public-access, which provides searchable case records for a fee.
  • There is no cost to search case information, but document copies may require payment.
  • Certified copies of court documents can be requested through the Clerk of District Court in Stanley at the courthouse.
  • Walk-in requests are accepted during regular business hours, Monday through Friday.
  • The court maintains an electronic filing system for attorneys, and the public can request records in person, by mail, or through the online portal.

North Dakota Century Code Chapter 27-05 establishes the District Court system, while public access to court records is governed by North Dakota Court Administrative Rule 41, which presumes that court records are accessible to the public unless specifically sealed or restricted by law or court order. Traffic citations and minor infractions are also handled through the District Court. Mounting case loads related to oil development activity have increased court business significantly in recent years, including criminal cases, civil disputes, and family law matters involving the transient workforce population.

Property & Public Records

Mountrail County Recorder's Office, located at 100 1st Street NE, Stanley, ND 58784, maintains all land and property records for Mountrail County. The office can be reached at and is open Monday through Friday during regular business hours. The Recorder is responsible for recording and preserving documents affecting real property, including warranty deeds, quit claim deeds, mortgages, satisfactions of mortgage, liens, lis pendens, easements, covenants, plat maps, and mineral rights documents.

  • Some document images may be viewable online, while others require an in-person visit or written request.
  • Copy fees are established by state statute, typically $1.00 per page for standard copies and additional fees for certified copies.
  • The Assessor's Office can be contacted through the office’s website. Property tax information and parcel data may be searched through Mountrail County's GIS mapping system if available online, or by contacting the Assessor directly.
100 1st Street NE, Stanley, ND 58784

Under North Dakota Century Code Chapter 11-18, the County Recorder must maintain these documents in perpetuity and provide public access. The Recorder's Office provides an online document search system accessible through Mountrail County website at mountrailcountynd.gov, allowing users to search recorded documents by name, legal description, or document number. Mountrail County Director of Tax Equalization's Office, also located in the courthouse, maintains property tax assessment records including ownership information, assessed valuations, property characteristics, and tax payment history.

Mountrail County Treasurer, phone, handles property tax collection and payment records. Due to the complexity of mineral rights ownership in oil-producing areas, the Recorder's Office experiences high volume of mineral deed and oil and gas lease recordings.

Vital Records

Vital records for Mountrail County, North Dakota, including birth and death certificates, are maintained at both Mountrail County and state levels. Birth certificates for births occurring in Mountrail County can be requested from Mountrail County Clerk's Office at Mountrail County Courthouse, 100 1st Street NE, Stanley, ND 58784 The fee for a certified birth certificate is typically $7.00, though fees should be confirmed with the office. Death certificates for deaths occurring in Mountrail County are also available through the County Clerk's Office for the same fee.

  • Eligible requesters include the registrant, immediate family members, legal representatives, and others with a documented legal interest.
  • The state office maintains records statewide from 1893 forward and offers online ordering through VitalChek for expedited service with additional fees.
  • Processing time for vital records requests varies from same-day service for in-person requests at Mountrail County level to one to two weeks for mail requests and state-level processing.
  • Marriage licenses are issued by Mountrail County Recorder's Office, with application requiring both parties to appear in person with valid identification and payment of the license fee.

Requesters must provide valid photo identification and demonstrate a direct and tangible interest in the record as required by North Dakota Century Code Chapter 23-02.1, which restricts access to vital records to protect privacy. The North Dakota Department of Health and Human Services, Division of Vital Records, located in Bismarck, is the central repository for all North Dakota vital records and can be reached at or online at www.health.nd.gov/vital records. Divorce decrees are court records accessible through the District Court Clerk's Office.

Genealogical researchers may access older vital records subject to statutory waiting periods and privacy restrictions.

Business & Licensing

Business and licensing records in Mountrail County are maintained by several agencies depending on the type of business activity. Mountrail County Recorder's Office at the courthouse, accepts filings for assumed names (doing business as or DBA) and trade names for businesses operating in Mountrail County. These filings are public records searchable through the Recorder's document index.

For full business entity information including corporations, limited liability companies, partnerships, and nonprofit organizations, the North Dakota Secretary of State maintains the central business registry accessible online at firststop.sos.nd.gov, which provides free searchable access to business entity records including registration status, registered agents, and filing history. This system is known as the First Stop system and is the authoritative source for North Dakota business entities. Professional and occupational licenses are generally issued by state-level boards and commissions rather than county offices, with information available through individual licensing boards.

Sales tax permits are issued by the North Dakota Office of State Tax Commissioner. Local business licenses and permits may be required by individual municipalities; businesses in Stanley should contact Stanley City Hall, while businesses in New Town should contact New Town City offices. Building permits, zoning approvals, and land use permits for unincorporated areas of Mountrail County are handled by Mountrail County Planning and Zoning Department or Building Inspector's Office at the courthouse.

The energy boom has resulted in substantial commercial development requiring coordination among county, state, and tribal permitting authorities. Mountrail County Job Development Authority and local chambers of commerce in Stanley and New Town provide business development resources and networking opportunities for entrepreneurs and existing businesses.

Elections & Voter Records

Elections in Mountrail County, North Dakota, are administered by Mountrail County Auditor's Office, which serves as Mountrail County's election authority. The office is located at 100 1st Street NE, Stanley, ND 58784, and can be contacted through the office’s website. Voter registration in North Dakota operates under a unique system: North Dakota is the only state that does not require voter registration. Eligible residents may vote by presenting valid identification at their polling place on Election Day, or they may establish residency and vote at the polls.

  • Voters can find their polling place by contacting the County Auditor's Office or visiting the North Dakota Secretary of State's website at vote.nd.gov, which provides a polling place lookup tool.
  • Campaign finance filings for state and local candidates are maintained by the North Dakota Secretary of State's office and searchable online.
100 1st Street NE, Stanley, ND 58784

Acceptable identification includes a North Dakota driver's license, non-driver ID card, or tribal ID. Election records that are public in North Dakota include precinct-level election results, candidate filing information, and ballot measure details, all available through the County Auditor or the Secretary of State. Mountrail County, like much of North Dakota, typically experiences moderate to high voter turnout in presidential elections, often in the range of 55-65% of eligible voters, though exact 2024 figures would need verification from official sources.

In the 2020 general election, turnout was strong consistent with statewide patterns. The next major election is November 4, 2025, for various local elections, followed by November 3, 2026, which will feature North Dakota's U.S. Senate race, U.S.

House race, and state legislative elections in the midterm cycle. Absentee voting is available to all North Dakota voters; applications for absentee ballots can be requested from Mountrail County Auditor's Office and must be received by a specified deadline before Election Day, typically the day before the election for mail ballots. Early voting may be available at the Auditor's Office beginning a set period before Election Day.

North Dakota election law under Title 16 of the North Dakota Century Code provides for transparent election administration with public access to most election records, results, and processes, supporting citizen oversight and confidence in election integrity.

Economy & Demographics

Mountrail County's economy has been dramatically transformed by oil and gas development in the Bakken Formation since the mid-2000s. Energy extraction, particularly crude oil production, is the dominant economic driver, with major operators including Continental Resources, Hess Corporation, Marathon Oil, and other producers maintaining extensive operations in Mountrail County. Mountrail County sits atop some of the most productive portions of the Bakken and Three Forks formations, making it one of the top oil-producing counties in North Dakota.

According to recent estimates, median household income in Mountrail County has risen substantially above state and national averages due to high-paying energy sector jobs, with estimates ranging from $70,000 to over $85,000 depending on the economic cycle and oil prices. Agriculture remains an important economic foundation despite being overshadowed by energy development, with wheat, barley, canola, and cattle production continuing on family farms and ranches. The MHA Nation operates various tribal enterprises including 4 Bears Casino & Lodge near New Town, which is a significant employer and tourism destination.

The casino, hotel, and associated facilities provide employment and economic activity beyond the energy sector. Construction, transportation and logistics, professional services, retail trade, and hospitality have all expanded to support the larger population and industrial activity. Unemployment in Mountrail County has historically been very low during boom periods, sometimes below 2%, though it fluctuates with oil price cycles.

Infrastructure development including roads, water systems, and housing has been a major focus, with substantial public and private investment. Economic diversification efforts seek to build resilience beyond the cyclical oil industry. Mountrail County has experienced challenges including workforce housing shortages, infrastructure strain, and boom-and-bust economic volatility tied to global oil markets.

Transparency Score

Court Records: Yes: Online (State Portal) | Property: Yes: Online Search Available | Arrest/Jail: Limited: Phone/In-Person | Vital Records: Limited: In-Person or Mail | Business: Yes: Online (State System) | Elections: Yes: Accessible | Overall Score: 7/10, Mountrail County provides good access to property and court records online through state and county systems, though some jail and vital records require direct contact.

Frequently Asked Questions

How can I search for someone recently arrested in Mountrail County, North Dakota?
To search for someone recently arrested in Mountrail County, you can contact the Mountrail County Jail. They maintain records of current inmates and can provide information on recent arrests. You may also visit their facility located at 101 North Main Street, Stanley, ND, or call them at (701) 628-2975 for assistance with inmate lookup. The the county Sheriff's Office may have information on recent arrests and can be reached at (701) 628-2975.
Mugshots and booking photos in Mountrail County are typically available through the Mountrail County Sheriff's Office. They may provide access to these records upon request, either in person or via their official website. For online access, you can visit the county Sheriff's Office website or contact them directly to inquire about their process for obtaining booking photos.
To obtain a criminal background check in Mountrail County, you should contact the North Dakota Bureau of Criminal Investigation (BCI). They handle statewide background checks and require a completed request form along with the appropriate fee. Locally, you can also inquire at the Mountrail County Sheriff's Office for guidance on submitting a background check request through the BCI.
To look up sex offenders in Mountrail County, you can use the North Dakota Sex Offender Registry. This online database is maintained by the North Dakota Attorney General's Office and provides detailed information about registered sex offenders in the state. You can search by name, location, or other criteria to find offenders residing in Mountrail County.
North Dakota does not require voter registration; it is the only state without this requirement. Eligible Mountrail County residents can vote by presenting valid identification at their polling place on Election Day, which can include a North Dakota driver's license, non-driver ID, or tribal identification card. Contact the Mountrail County Auditor's Office at (701) 628-2915 for polling place information, or visit vote.nd.gov for additional voter information and to request an absentee ballot if needed.
Property records in Mountrail County are maintained by the Mountrail County Recorder's Office, located at 100 1st Street NE, Stanley, ND 58784, phone (701) 628-2915. You can search for recorded deeds, mortgages, liens, and other land documents through the county's online search system available at mountrailcountynd.gov, or by visiting the office in person. For property tax assessment information including valuations and ownership details, contact the County Director of Tax Equalization at (701) 628-2195. Many property records are available for free online searching, though certified copies and some document images may require fees.
Birth and death certificates for events occurring in Mountrail County can be requested from the Mountrail County Clerk's Office at the courthouse, 100 1st Street NE, Stanley, ND 58784, phone (701) 628-2915. The fee is typically $7.00 per certified copy, and requesters must provide valid photo identification and demonstrate eligibility under North Dakota law. You can also order vital records from the North Dakota Department of Health and Human Services, Division of Vital Records in Bismarck at (701) 328-2360 or online at www.health.nd.gov/vital records, with processing times ranging from same-day for in-person requests to one to two weeks for mail orders.
Business entity records for corporations, LLCs, and other registered businesses can be searched free online through the North Dakota Secretary of State's First Stop system at firststop.sos.nd.gov. For local assumed name (DBA) filings in Mountrail County, contact the Mountrail County Recorder's Office at (701) 628-2915 or search the Recorder's document index. City-level business licenses and permits should be requested from the relevant municipal office in Stanley, New Town, or other incorporated cities. Professional licenses are issued by state licensing boards and can be verified through the appropriate state agency.

Cities & Towns in Mountrail County

Explore public records for 7 cities and communities in Mountrail County, North Dakota.

Nearby Counties

Ward County ND Williams County ND McKenzie County ND McLean County ND Dunn County ND Burke County ND