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

National Peace Officers Memorial Day – May 15

May 15, 2022

We want to remember and honor all federal, state, county and local officers who were killed or disabled in the line of duty. In 1962, President Kennedy proclaimed May 15 as National Peace Officers Memorial Day and the calendar week in which May 15 falls as National Police Week. Established by a joint resolution of … Read more

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Information about Letters from the Iowa State Sheriffs’ and Deputies Association (ISSDA)

May 3, 2022

We have received several questions asking if a recent mailing from the Iowa State Sheriffs’ and Deputies Association and signed by Sheriff Dan Altena is legitimate. They are legitimate and the association sends these mailings every few years to raise money for training of local sheriffs, deputies, jailers and dispatchers. While it is a good … Read more

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Sioux County Sheriff’s Office K9 Team Excels at Narcotic Trials

April 16, 2022

Recently, Sergeant Justin De Bruin and his K9 partner, Sonny, attended the annual United States Police Canine Association (USPCA) narcotics trials.  This year, the trials were hosted by the Clay County Sheriff’s Office in Spencer, IA. 55 canine teams competed in the trials to maintain or receive certifications. The certification involved searching five cars and … Read more

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Domestic Violence Awareness Simulation at Boyden-Hull JR/SR High School

April 2, 2022

This past week, the Boyden-Hull JR/SR High School faculty and staff participated in a Domestic Violence Awareness Simulation, ‘In Her Shoes®’, which is developed and owned by the Washington State Coalition Against Domestic Violence, Seattle, WA; The following day, the senior class at the school participated in the simulation. ‘In Her Shoes®’ is a great community education … Read more

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Fatal motor vehicle accident north of Hull – March 29 *UPDATED*

March 29, 2022

*UPDATED RELEASE* On Tuesday, March 29, at 6:33 p.m., the Sioux County Sheriff’s Office investigated a motor vehicle accident that occurred on 290th Street, two miles north of Hull, IA. Noah Salentiny, age 22, of Sioux Falls, SD, was driving a 2006 Chevrolet Equinox eastbound on 290th Street. Jillian Meyer, age 31, of Boyden, IA, … Read more

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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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