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County Sheriff

Brown County Sheriff
Mark Milbrandt

22 Court Street
Aberdeen, SD 57402-0369
Phone: 605-626-7100
FAX: 605-626-4015
Web site:

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Mark Milbrandt started employment with the Brown County Sheriff’s Office in May of 1979 as a part-time jailor. His employment with the county turned fulltime later that same year. In May of 1980 he became a uniformed patrol deputy sheriff and was assigned to that duty for a year. In 1981 he became the Brown County Sheriff’s Office first ever full time criminal investigator. In 1988 he was appointed as the Chief Deputy Sheriff by then Sheriff Steve Oakes. In 1994 he ran for the office of Sheriff and was elected to office that year. Sheriff Milbrandt is now in his third term and oversees the Sheriff’s Office, adult jail and as well as a juvenile detention center. Sheriff Milbrandt currently has 50 full time employees under his supervision.