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

Lower your risk of becoming a victim of home burglary by following these tips

February 2, 2023

Burglary is the most common threat to our homes. Somewhere in the U.S., there’s a home burglary committed every 13-15 seconds. A burglary can have a major impact on your family’s sense of safety and well-being and can cause you to lose more than a few possessions. There are many things you can do to … Read more

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Safety Tips for driving in the fog – a good reminder for younger drivers as well

January 24, 2023

With the recent numerous dense fog advisories we have had and will likely have more of, the Sioux County Sheriff’s Office thinks it’s a perfect time to share our tips for driving in fog; especially heavy fog during winter. Fog makes driving difficult — and dangerous. There are more than 500 fatal car accidents related … Read more

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Newest K9 team arrives and begins service in Sioux County

January 12, 2023

We are excited to introduce our newest K9 Rocky, a one-year-old German Shorthair Pointer from the Netherlands. K9 Rocky was purchased from I-80 K9 in Atlantic, Iowa, and is trained in narcotic, methamphetamine, cocaine and heroin detection. Deputy Agustin Martinez will be his handler and the duo spent the last 10 days in Atlantic training … Read more

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Eye Witness Activity for law class students

December 2, 2022

Our School Resource Officer, Deputy Waylon Pollema, along with the Unity Christian High School Law Class teacher, Ms. Kris Talsma, led an “Eye Witness” activity with the law classes. In the activity, an unknown person entered the classroom suspiciously, stole a computer and left some articles of evidence behind. The law students were then asked … Read more

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High school crime scene activity ends with office and Courthouse tour

October 31, 2022

The four freshman Physical Science classes from Western Christian High School participated in a crime scene activity October 24 – 28. The activity was facilitated by Physical Science teachers, Shawn DeStigter, Sarah Wilson and our School Resource Officer, Deputy Waylon Pollema. On the first day of the activity the students were given a scenario: acting as … Read more

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Public Safety Reminder: Move Over for emergency vehicles, safely *VIDEO*

May 31, 2022

Please take a moment to watch the below video for a good safety reminder to not only move over for emergency vehicles that are stopped with its flashing lights on, but to slow down and please do it safely.   Recently, Sioux County Deputy Sheriff Jessica Dorhout was engaged in a traffic stop when her … Read more

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