About Crook County

Area 2,859 square miles
County Seat Sundance
Established 1875
Named After General George Crook

Crook County is located in the northeastern corner of Wyoming, bordered by South Dakota and Montana. Established in 1875 and organized in 1885, the county was named after General George Crook, a distinguished military officer who served in the Indian Wars. The county seat is Sundance, a small town made famous by the outlaw Harry Longabaugh, who adopted the alias "Sundance Kid" after being incarcerated there in the 1880s.

  • This striking geological formation rises 1,267 feet above the Belle Fourche River and attracts approximately 400,000 visitors annually.

Crook County encompasses approximately 2,859 square miles and has a population of around 7,200 residents, making it one of Wyoming's smaller counties by population. The county is home to Devils Tower National Monument, America's first national monument designated by President Theodore Roosevelt in 1906. The county's economy is primarily driven by agriculture, tourism, and natural resource extraction.

Crook County's government operates from the Crook County Courthouse at 309 Cleveland Street in Sundance. Key county offices include the Crook County Clerk located in the courthouse, the Crook County Recorder who maintains land records, and the Crook County Assessor responsible for property valuations. The county maintains a largely rural character with the incorporated town of Sundance serving as the primary commercial and governmental center.

The landscape features rolling plains transitioning to ponderosa pine forests in the Black Hills region, offering diverse recreational opportunities including hunting, fishing, and hiking.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

The Crook County Sheriff's Office is responsible for maintaining law and order throughout the county. This office patrols the unincorporated areas, manages the county jail, processes arrests, and maintains criminal records. The Sheriff's Office plays a crucial role in ensuring public safety and offers various community programs aimed at crime prevention and education. Notable divisions within the office include the patrol division, investigations, and a dedicated team for search and rescue operations, reflecting the county's commitment to comprehensive law enforcement services.

Police Departments

Law enforcement in Crook County is primarily handled by the Crook County Sheriff's Office, which oversees the unincorporated areas and smaller communities. In addition, the city of Sundance has its own police department, the Sundance Police Department, which manages law enforcement within city limits. These agencies coordinate on major crimes and emergencies, ensuring comprehensive coverage and response.

Law Enforcement & Arrests

The Crook County Sheriff's Office, located at 309 Cleveland Street in Sundance, Wyoming 82729, serves as the primary law enforcement agency for the county. The Sheriff's Office can be reached at (307) 283-1323 and maintains jurisdiction over unincorporated areas of the county as well as providing jail services. The Crook County Detention Center, operated by the Sheriff's Office, houses inmates awaiting trial and those serving sentences. Inmate information can be obtained by contacting the Sheriff's Office directly during business hours.

  • The Sundance Police Department provides municipal law enforcement services within the town limits of Sundance and can be contacted at (307) 283-2222.
  • Citizens may request arrest records by submitting a written request to the Crook County Sheriff's Office, though some information may be redacted for ongoing investigations or privacy considerations.
  • Mugshots and booking photos are generally available through the Sheriff's Office, though there may be fees associated with obtaining copies.
  • Wyoming law requires that law enforcement agencies respond to public records requests within a reasonable timeframe.
  • For historical arrest records, requests should be directed to the Sheriff's Office records division.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records ecosystem in Crook County includes records of felonies, misdemeanors, traffic violations, and the sex offender registry. The Crook County Sheriff's Office and the local courts maintain these records, providing access to residents seeking background checks or legal information. The Wyoming Division of Criminal Investigation offers additional resources for background checks, which can be requested by residents for employment or personal purposes.

  • The Wyoming Bureau of Investigation provides statewide criminal history information, which includes data from Crook County, ensuring comprehensive coverage for those seeking detailed criminal records.

Arrest Records

Arrest records in Crook County are maintained by the Crook County Sheriff's Office. These records provide detailed information about the circumstances of an arrest, including the charges, arresting officer, and date of arrest. Residents and attorneys can request arrest records by contacting the Sheriff's Office directly. Under the Wyoming Public Records Act, these records are accessible to the public, although certain sensitive information may be redacted to protect privacy.

Jail & Inmate Records

The Crook County Detention Center, located in Sundance, is the primary facility for housing individuals arrested within the county. The booking process involves fingerprinting, photographing, and documenting the personal information of detainees. Inmate lookup services are available to the public, allowing individuals to find information about current inmates. Visitation rules are specific to the facility, typically requiring visitors to schedule appointments in advance and adhere to strict security protocols.

  • The bond and bail process in Wyoming allows for the release of detainees under certain conditions, and information on recently arrested individuals can be accessed through the Sheriff's Office.

Mugshots & Booking Photos

Mugshots in Crook County are taken and retained by the Crook County Sheriff's Office as part of the booking process. These booking photos are considered public records and can be accessed through the Sheriff's Office. While some counties offer online databases for mugshot searches, Crook County may require in-person or written requests for access. Wyoming does not have specific mugshot removal laws, meaning that once a mugshot is part of the public record, it remains accessible unless expunged by court order.

Courts & Case Records

Crook County is served by the Sixth Judicial District Court of Wyoming, which handles felony criminal cases, civil matters exceeding $50,000, domestic relations, probate, and juvenile matters. The District Court is located at the Crook County Courthouse, 309 Cleveland Street, Sundance, Wyoming 82729, and can be reached at (307) 283-1323. The court clerk's office maintains case files and court records dating back to the county's organization.

  • Case searches can be conducted in person at the courthouse, and the clerk's office charges fees for copies and certified documents according to the fee schedule established by Wyoming statute.
  • Fees for certified copies typically range from $3 to $5 per document plus a certification fee.

Circuit Court for Crook County also convenes at the courthouse and has jurisdiction over misdemeanor criminal cases, civil matters under $50,000, small claims up to $6,000, and serves as the appellate court for lower courts. Crook County Circuit Court handles the majority of traffic violations and preliminary hearings for felony cases. Court records in Wyoming are presumed to be public under Wyoming Statute §1-39-101 et seq.

and Rule 2.06 of the Wyoming Public Records Act. The public may access court records by visiting the clerk's office during business hours, typically Monday through Friday, 8:00 AM to 5:00 PM. The Wyoming Judicial Branch operates a statewide case lookup system at wyomingcases.gov, though not all historical records may be digitized.

Justice of the Peace Court historically operated in Crook County but has been largely consolidated into the Circuit Court system under Wyoming's unified court structure.

Property & Public Records

The Crook County Clerk and Recorder's Office, located at 309 Cleveland Street, Sundance, Wyoming 82729, maintains official land records including warranty deeds, quit claim deeds, mortgages, liens, releases, easements, rights-of-way, and plat maps. The office can be reached at (307) 283-1323. The Recorder's office has indexed land records dating back to the county's establishment, with some records available in digital format.

  • Property records are public under Wyoming Statute §18-3-401 et seq., and citizens may search deed records during business hours or request copies for a statutory fee.
  • To obtain certified copies of recorded documents, requesters must visit or contact the Clerk and Recorder's office with the specific document information including book and page number or reception number.
  • Fees for copies are established by Wyoming statute and typically include a per-page charge plus certification fees if required.

The Crook County Assessor's Office, also located in the courthouse, maintains property tax assessment records, parcel information, ownership data, and agricultural land classifications. The Assessor can be contacted at (307) 283-1323 for property valuation information. Property tax records including current and delinquent taxes are maintained by the Crook County Treasurer's Office at the same address.

The county does not currently offer a comprehensive online property search portal, though some property information may be available through third-party vendors. The county may offer a Geographic Information System (GIS) parcel viewer, though online access capabilities are limited compared to larger Wyoming counties. For the most current property information, direct contact with the Recorder or Assessor's office is recommended.

Vital Records

Vital records for Crook County, Wyoming, are maintained by both local and state agencies. Birth and death certificates occurring in Crook County may be obtained through the Crook County Clerk's Office at 309 Cleveland Street, Sundance, Wyoming 82729, phone (307) 283-1323, though the Wyoming Department of Health Vital Statistics Services serves as the primary repository for all Wyoming vital records. The state office is located at 2300 Capitol Avenue, Hempstead Building, 1st Floor, Cheyenne, Wyoming 82002 and can be reached at (307) 777-7591.

  • Birth certificates cost $15 for the first copy and $10 for each additional copy ordered at the same time, with processing times typically ranging from two to four weeks for mail requests.
  • Death certificates are available for $13 for the first copy and $4 for additional copies.
  • The marriage license fee is established by Wyoming statute and there is no waiting period or blood test requirement in Wyoming.
  • Online ordering of vital records is available through the Wyoming Department of Health's VitalChek service at vitalchek.com, though expedited service fees apply.
  • Requesters must provide valid identification and demonstrate a direct and tangible interest in the record under Wyoming Statute §35-1-401 et seq.

Business & Licensing

Business and licensing records in Crook County are maintained by multiple agencies depending on the type of business activity. The Crook County Clerk's Office at 309 Cleveland Street, Sundance, Wyoming 82729, handles Doing Business As (DBA) filings and fictitious name registrations for businesses operating under assumed names in the county. These records are public and can be searched by contacting the Clerk's office at (307) 283-1323.

  • Sales tax licenses and permits are administered by the Wyoming Department of Revenue's Excise Tax Division, and businesses collecting sales tax must register with the state.
  • The Sundance Area Chamber of Commerce, which can be reached through the City of Sundance offices, provides resources for business development and maintains information about local businesses.

For business entity formation including corporations, limited liability companies, partnerships, and nonprofit organizations, filings must be made with the Wyoming Secretary of State's Office. The Secretary of State maintains a searchable online database at wyobiz.wyo.gov where citizens can look up business entities, verify good standing status, view registered agents, and access articles of incorporation and annual reports. Wyoming is known for its business-friendly environment with no corporate income tax and strong privacy protections for LLC members.

Professional licenses for occupations such as contractors, cosmetologists, and healthcare providers are issued by respective state licensing boards rather than county agencies. Building permits and zoning approvals in unincorporated Crook County are handled by the Crook County Planning and Zoning Department, while the Town of Sundance issues its own permits for construction within town limits. County business licenses may be required for certain activities, and inquiries should be directed to the County Clerk's office for specific requirements.

Elections & Voter Records

Elections in Crook County are administered by the Crook County Clerk, who serves as the county election official. The County Clerk's office is located at 309 Cleveland Street, Sundance, Wyoming 82729, and can be reached at (307) 283-1323 for election-related inquiries. Voter registration in Wyoming is available to U.S. citizens who are at least 18 years old by election day and have resided in Wyoming for at least 30 days prior to the election.

  • Wyoming offers online voter registration through the Secretary of State's website at sos.wyo.gov, where eligible citizens can register or update their registration information.
  • Absentee ballots in Crook County can be requested through the County Clerk's office either in person, by mail, or online through the state system.
  • Wyoming law allows any registered voter to request an absentee ballot without providing a reason.
  • Crook County maintains transparent election processes with public testing of voting equipment, observation opportunities for interested citizens, and prompt posting of unofficial results on election night.

The voter registration deadline in Wyoming is typically 30 days before an election, though same-day voter registration is available at polling places during early voting and on election day with proper documentation including proof of residence. To find your polling place in Crook County, voters can contact the County Clerk's office or check their voter registration status on the Wyoming Secretary of State's website. Crook County typically operates several polling locations in Sundance and outlying areas of the county during general elections.

Election records that are public in Wyoming include voter registration lists (with some personal information redacted), campaign finance reports filed with the Wyoming Secretary of State, candidate filing information, and precinct-level election results. These records are accessible under Wyoming Statute §22-1-101 et seq. governing elections.

Crook County, like much of Wyoming, demonstrates high voter participation rates, often exceeding 70% turnout in presidential election years. In the 2024 general election, Crook County voter turnout was consistent with the county's history of strong civic engagement. The next major election is scheduled for November 3, 2026, featuring U.S.

House of Representatives races, potential U.S. Senate races depending on the cycle, and Wyoming state legislature positions. Absentee ballot applications must be received by the County Clerk by the close of business the day before the election, though earlier submission is strongly encouraged.

Economy & Demographics

Crook County's economy is characterized by a diverse mix of agriculture, tourism, natural resource extraction, and government services. Cattle ranching and dryland farming represent the traditional economic base, with many multi-generational family operations continuing to dominate the rural landscape. The county's agricultural sector produces cattle, hay, wheat, and other crops suited to the semi-arid climate.

  • Census Bureau estimates, the median household income in Crook County is approximately $58,000 to $63,000, slightly below the state average but reflecting the rural character of the county.
  • Timber harvesting in the Black Hills portion of the county provides additional economic activity.
  • Government employment, including county offices, schools, and federal land management agencies, provides stable year-round jobs.

Tourism centered around Devils Tower National Monument contributes significantly to the local economy, with visitor spending supporting hotels, restaurants, guide services, and retail establishments in Sundance and surrounding areas. The monument's international recognition, enhanced by its feature in the film "Close Encounters of the Third Kind," draws visitors from across the globe. According to U.S.

The unemployment rate typically tracks below national averages, consistent with Wyoming's generally strong employment picture driven by natural resource industries. Bentonite mining occurs in portions of Crook County, contributing to Wyoming's position as the world's leading producer of this valuable clay mineral used in drilling, foundries, and other industrial applications. Small businesses in Sundance provide essential services including healthcare, retail, construction, and professional services.

The county has seen modest growth in remote workers and entrepreneurs attracted to the quality of life and outdoor recreation opportunities. Economic development efforts focus on supporting existing businesses, promoting tourism, and maintaining the infrastructure necessary for agriculture and natural resource industries.

Transparency Score

Court Records: ✅ Online (via state portal) | Property: ⚠️ Limited Online Access | Arrest/Jail: ⚠️ Phone/In-Person Only | Vital Records: ✅ Available (state & county) | Business: ✅ Online (state portal) | Elections: ✅ Good Access | Overall Score: 7/10 — Crook County provides reasonable access to public records, though some services require in-person or phone contact due to the county's small size and limited digital infrastructure.

Frequently Asked Questions

How can I search for someone recently arrested in Crook County, Wyoming?
To search for someone recently arrested in Crook County, Wyoming, you can contact the Crook County Detention Center. They maintain records of current inmates and can provide information on recent arrests. You can also visit the Crook County Sheriff's Office website for any online inmate lookup services they may offer. The Detention Center is located at 309 Cleveland Street, Sundance, WY 82729, and their phone number is available for inquiries.
Mugshots or booking photos in Crook County, Wyoming, can be obtained from the Crook County Sheriff's Office. They may provide access to these records through their office or an online portal. You can visit their office at 309 Cleveland Street, Sundance, WY 82729, or check their website for any digital access options they offer for public records.
To obtain a criminal background check in Crook County, Wyoming, you should contact the Wyoming Division of Criminal Investigation (DCI). They handle state-wide background checks and require a completed application form along with fingerprinting. Locally, you can visit the Crook County Sheriff's Office for fingerprinting services and further guidance on submitting your request to the DCI.
You can look up sex offenders in Crook County, Wyoming, by accessing the Wyoming Sex Offender Registry. This registry is maintained by the Wyoming Division of Criminal Investigation and provides a searchable online database of registered sex offenders. You can visit their website to search for offenders by name, location, or proximity to a specific address in Crook County.
You can register to vote in Crook County by contacting the Crook County Clerk's office at (307) 283-1323 or by using Wyoming's online voter registration system at sos.wyo.gov. The registration deadline is 30 days before any election, though Wyoming also offers same-day voter registration at polling places during early voting and on election day with proper identification and proof of residence. To register, you must be a U.S. citizen, at least 18 years old by election day, and have resided in Wyoming for at least 30 days prior to the election. Absentee ballots are available to all registered voters upon request through the County Clerk's office.
Property records in Crook County are maintained by the Crook County Clerk and Recorder's Office and the Crook County Assessor's Office, both located at 309 Cleveland Street, Sundance, Wyoming 82729, phone (307) 283-1323. You can search for deeds, mortgages, liens, and other recorded documents by visiting the Recorder's office in person during business hours. Property tax assessment information is available through the Assessor's office at the same location. While Crook County does not currently offer a comprehensive free online property search system, basic information may be available by contacting the offices directly, and some third-party services may provide limited online access to property records.
Birth and death certificates for events occurring in Crook County can be obtained through the Crook County Clerk's Office at 309 Cleveland Street, Sundance, Wyoming 82729, phone (307) 283-1323, or through the Wyoming Department of Health Vital Statistics Services in Cheyenne at (307) 777-7591. Birth certificates cost $15 for the first copy and death certificates cost $13 for the first copy. Processing times typically range from two to four weeks for mail requests, though in-person requests at the county office may be processed more quickly. Online ordering is available through VitalChek at vitalchek.com with expedited service options, and applicants must provide valid identification and demonstrate a direct interest in the record under Wyoming law.
Business records in Crook County can be searched through multiple sources depending on the type of business. The Crook County Clerk's Office at (307) 283-1323 maintains DBA (Doing Business As) and fictitious name registrations for businesses operating under assumed names in the county. For corporations, LLCs, and other business entities, use the Wyoming Secretary of State's free online business search at wyobiz.wyo.gov, which provides comprehensive information including entity status, registered agents, and filing history. Local business licenses and permits may be required for certain activities and can be verified through the County Clerk's office. Professional licenses are issued by respective Wyoming state licensing boards rather than county agencies.

Cities & Towns in Crook County

Explore public records for 7 cities and communities in Crook County, Wyoming.

County Info
StateWyoming
County SeatSundance
Population7700
Area2871 sq mi
Founded1875