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 23, 2026 and October 2, 2026.
Dallas County, Missouri, has about 18,000 residents (2024 Census Bureau estimate). A DWI arrest in Dallas County starts two cases, a criminal case in the Dallas County Circuit Court and a license case before the Department of Revenue, and leaves three records. This guide follows the arrest from the roadside to the court file and the driving record.
This guide covers the law, the arrest, booking, the court case, the license case, the records and common questions.
Related guides: Dallas County public records, Dallas County arrest records, Dallas County warrants, Dallas County inmate search, Dallas County criminal records, Missouri arrest records and Missouri inmate search.
The DWI Law in Missouri
Drunk driving is charged as DWI in Missouri, at a blood alcohol level of 0.08 or more.
Driving in Missouri is consent to a breath or blood test when an officer has cause to suspect DWI; the license case that follows a refusal or a failed test is run by the Department of Revenue, separately from the criminal case.
Who Makes DWI Arrests in Dallas County
The Dallas County Sheriff's Office and the agency that reports for Buffalo make the DWI arrests in Dallas County.
Together, the two agencies in Dallas County with all twelve months of 2025 on file reported 6 arrests to the FBI that year, all offenses together; the FBI's count for Dallas County does not break DWI out.
Booking After a DWI Arrest in Dallas County
A driver arrested for DWI and kept in custody goes to the county jail, whichever agency made the arrest. The jail, run by the Dallas County Sheriff's Office, held about 25 people on an average day in 2019 by the Vera Institute of Justice's count and has a jail page SearchSystems verified at dcsomo.com. The Dallas County inmate search guide covers the jail in full.
The Court Case
A DWI charge from Dallas County is brought by the Prosecuting Attorney in the Dallas County Circuit Court.
The court records page SearchSystems verified for the county is at courts.mo.gov/page.jsp?id=4835.
Statewide, Case.net is the Missouri courts' free statewide case search.
The License Case
A DWI arrest starts two cases: the criminal one above and an administrative one over the license, run by the Department of Revenue. The driving record, kept by the Missouri Department of Revenue Driver License Bureau, carries the result of both.
The Records a DWI Leaves
- The arrest report: from the agency that made the arrest, under the Missouri Sunshine Law.
- The court file: from the Dallas County Circuit Court, kept by the Circuit Clerk.
- The driving record: from the Missouri Department of Revenue Driver License Bureau.
More on each: Dallas County arrest records, Dallas County police reports and Dallas County court records.
Frequently Asked Questions
What is the DWI limit in Missouri?
0.08 percent blood alcohol.
Where is a DWI case from Dallas County heard?
In the Dallas County Circuit Court, brought by the Prosecuting Attorney.
Where is a person arrested for DWI in Dallas County held?
At the county jail, run by the Dallas County Sheriff's Office, if kept in custody.
Who handles the license after a DWI arrest in Missouri?
The Department of Revenue, in an administrative case separate from the court case.
Is this the official Dallas 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.