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 Vision Statement:

"The Sioux County Sheriff’s Office will be dedicated to preserving a high quality of life and the enhancement of public safety. We will be committed to serve with professionalism, diligence, respect, integrity and concern for all people. We will foster an environment in which the sheriff’s office and the community work together as catalysts for positive community development."

Our men and women enter this profession with a sincere desire to preserve and respect the sanctity of life.

We pledge that we will continue to offer our hand to build community partnerships and maintain an environment of openness and respect for all whom we serve.

  • Sheriff Dan Altena



Latest news & Announcements

Sioux County Telecommunications Operator recipient of prestigious award

November 23, 2021

Recently, Sioux County Telecommunications Operator (Dispatcher), Kevin Harskamp, was a recipient of the Iowa Emergency Medical Services (EMS) Association’s Dispatcher of the Year Award. The award was a result of the nomination by members of the Sioux County EMS Association; the EMS association consists of members of 10 emergency response agencies in Sioux County. The … Read more

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Crime Scene Investigation Class a success

October 27, 2021

Recently, our School Resource Officer, Deputy Waylon Pollema, helped lead a crime scene investigation (CSI) activity with Mr. John Holwerda with his law class at Unity Christian High School in Orange City, IA. Over the course of two weeks, students investigated a mock crime that occurred using evidence, interviews, and collaboration with classmates. The students … Read more

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October is National Domestic Violence Awareness Month

October 8, 2021

National Domestic Violence Awareness Month is an annual designation observed in October.  For many people, a home is a safe place. It’s somewhere that you know you will be surrounded by care and support, and a nice little break from the busyness of the real world. But, for millions of others, home is not a safe … Read more

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Students use the Fire Safety House to learn during Fire Safety Week

October 6, 2021

The week of October 3 – 9 is Fire Prevention Week. Recently, our School Resource Officer (SRO), Deputy Waylon Pollema, assisted the Hull Fire Department and Boyden Fire Department in bringing a valuable fire prevention education tool to the students at the Hull Christian School and the Boyden-Hull Elementary School. The Mobile Fire Safety house … Read more

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Video: Seasons Center for Behavioral Health Mobile Response Program partners with sheriff’s office

September 29, 2021

We are very grateful for a new partnership with the Seasons Center for Behavioral Health Mobile Crisis Program that has become available to the sheriff’s office and area law enforcement in Sioux County. This response team is available 24/7 and has already been assisting our deputies and area law enforcement on calls to better assess … Read more

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Successful Training Day held at Sioux County Regional Airport

September 27, 2021

On Saturday, September 25, several emergency response agencies from Sioux County and O’Brien County participated in an emergency exercise conducted in a joint effort between Sioux County Emergency Management, the Sioux County Reginal Airport, Northwest Iowa Community College and the Orange City Fire Department. The training day took place at the Sioux County Regional Airport. … Read more

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