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. Every office link was opened and checked against the office's own site between September 24, 2026 and September 30, 2026.
Sully County, South Dakota, has about 1,500 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Sully County depends on where the incident happened: the Sully County Sheriff's Office for the unincorporated county, the agency that reports for the city inside a city. This guide names each agency, where its records page is and what the South Dakota Open Records Law requires of it.
This guide covers which agency, the sheriff's reports, cities, what the law requires and common questions.
Related guides: Sully County public records, Sully County arrest records, Sully County warrants, Sully County inmate search, Sully County criminal records, South Dakota arrest records and South Dakota inmate search.
Which Agency Holds a Report from Sully County
A crime, incident or collision report belongs to the agency whose officer wrote it, and that agency releases it, not the court, the jail or the prosecutor.
In Sully County that is the Sully County Sheriff's Office for the unincorporated county and for any city that contracts with it for police service, and the agency that reports for a city where the city has one of its own.
Reports from the Sully County Sheriff's Office
The Sully County Sheriff's Office is the county agency; it reported 8 arrests for 2020.
Its reports come from its records unit, reached through the office at (605) 258-2244. The office's page SearchSystems verified is its jail page, at sully.sdcounty.gov/offices/registerofdeeds/sheriff (page title: Sheriff | Sully County SD), phone (605) 258-2244, which answered when SearchSystems opened it on September 30, 2026.
Cities in Sully County
The FBI lists no city in Sully County with a reporting agency of its own.
The cities and towns in the county are Onida and Agar.
What the South Dakota Open Records Law Requires
The South Dakota Open Records Law sets the rules: an answer within 10 business days, at a charge of copying and staff time, from the agency that holds the report.
A defendant who has been charged gets the report through the case: the State's Attorney, (605) 258-2546, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Sully County?
From the agency whose officer took it: the Sully County Sheriff's Office for its own arrests, or the agency that reports for the city where it happened. Under the South Dakota Open Records Law the answer is due within 10 business days.
How long does an agency in Sully County have to answer?
Under the South Dakota Open Records Law, within 10 business days. It may charge copying and staff time.
How do I get a report from the Sully County Sheriff's Office?
From its records unit, reached through the office at (605) 258-2244. Under the South Dakota Open Records Law the answer is due within 10 business days.
Is this the official Sully 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.