Sioux County Sheriff

To serve & Protect


As a law enforcement agency, called to serve the public, we continue to work on building trust with the people we serve.

We are committed to our Mission Statement:

"The Sioux County Sheriff’s Office is committed to maintaining the public’s trust, providing protection, and professional leadership, by utilizing our skills and resources with integrity."

Sioux County is located in northwest Iowa with a population of 34,900 (2020). The Sheriff's Office patrols the 769 square miles of the county and is the chief law enforcement agency for the cities of Hull, Boyden, Matlock, Hospers, Granville, Maurice and Chatsworth; the non-incorporated villages of Middleburg, Newkirk, Carmel, Lebanon and all other unincorporated areas of Sioux County.

The Sioux County Communications Center provides 24 hour dispatching of Law Enforcement, Fire and EMS Services within Sioux County and handles an average of 16,000 calls for service a year. A monthly breakdown of those calls is published on our News & Records page and then clicking on “Statistics”

The people who work at the Sioux County Sheriff's Office are your friends, neighbors, and relatives - we are a part of your community. With your support; we pledge to provide you with the highest quality public safety service, made possible through relationships, training and professionalism, 24 hours a day-each year.

          Sheriff Jamie Van Voorst
     17th Sioux County Sheriff                                                 



Latest news & Announcements

Business structure fire in Hull – September 28 *Photos*

September 28, 2022

On Wednesday, September 28, at 7:01 a.m., the Sioux County Communications Center received 9-1-1 calls reporting a fire occurring at the Casey’s General Store, 612 Division Street., in Hull, IA. The Hull Fire Department and Hull Ambulance responded to the business and found the roof area engulfed by fire. Employees were inside when the fire … Read more

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Burn ban in effect for Sioux County

September 13, 2022

It is therefore ordered that no person shall engage in open burning in Sioux County, Effective September 13, at 8:00 a.m., except as specifically permitted by Iowa Code 100.40(3), until such time that Officials, representing each fire department, having all or part of their fire district within Sioux County, notifies the State Fire Marshal that … Read more

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Van Voorst appointed interim Sioux County Sheriff – September 1

September 1, 2022

On Thursday, September 1, 2022, Sheriff Jamie Van Voorst was sworn in as Sioux County Sheriff. The new role for Van Voorst and the sheriff’s office comes after Dan Altena retired mid-term from the position of Sioux County Sheriff on August 31. Sheriff Van Voorst says, “I am excited for this opportunity and look forward … Read more

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Sioux County Sheriff’s Offices hires two new deputies

August 25, 2022

Please join us in congratulating the newest Sioux County Deputies: Deputy Sheriff Alex Bakker and Deputy Sheriff Agustin Martinez; both deputies began their careers and honorably served as Officers of the Sioux Center Police Department. We are very happy to now welcome them both to our law enforcement family here at the Sioux County Sheriff’s … Read more

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*Scam Alert* Latest Snapchat scam information

August 25, 2022

The Sioux County Sheriff’s Office would like to make Sioux County citizens aware of a scam going around using the social media app Snapchat. In the latest reported incidents, scammers request to follow others using a fake account and make attempts to gain various inappropriate photos (“nudes”). Once the scammer receives these photos, they demand … Read more

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Sioux County Sheriff’s Office hosts Basic School Resource Officer (SRO) training – August 8-12

August 12, 2022

The Sioux County Sheriff’s Office recently hosted a National Association of School Resource Officers (NASRO) Basic School Resource Officer training course. This training took place August 8 – 12, 2022. The National Association of School Resource Officers (NASRO,) the world’s leader in school-based policing, is dedicated to making schools and children safer by providing the … Read more

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