Clark County Sheriff's Office

Clark County Sheriff's Office is the county law-enforcement agency for Clark County, South Dakota, serving from Clark at 200 N Commercial. The office serves the full county, including the county seat of Clark and unincorporated areas outside city police limits. Its area of responsibility covers patrol and investigative work in county jurisdiction, custody and care through county jail operations when applicable, and security support for county court functions. Clark County lies along South Dakota travel and commerce routes that bring daily traffic through the area, and the sheriff's office is the primary local law-enforcement presence for residents across communities outside municipal police jurisdictions. Public safety emergencies in Clark County should be reported by dialing 911.