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 Prescription Drug Take Back Day – April 24

March 3, 2021

The next National Prescription Drug Take Back Day is scheduled for Saturday, April 24, form 10:00 a.m. to 2:00 p.m. Too often, unused prescription drugs find their way into the wrong hands. That’s dangerous and often tragic. That’s why it was great to see thousands of folks from across the country clean out their medicine … Read more

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Recent ALICE training sessions conducted

February 16, 2021

Our School Resource Officer, Deputy Waylon Pollema, continues to train our area schools in the ALICE Training concepts. ALICE stands for Alert, Lockdown, Inform, Counter, Evaluate. ALICE Training offers a set of common-sense lifesaving options and proactive strategies that authorizes and empowers the use of existing building infrastructure, technology and human actions. Using those strategies … Read more

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Fatal motor vehicle accident near Alton – January 14 *UPDATED*

January 14, 2021

*UPDATED RELEASE* On Thursday, January 14, at 4:51 p.m., the Sioux County Sheriff’s Office investigated a fatal motor vehicle accident that occurred on Highway 10 (460th Street), three miles east of Alton, IA. Josiah Gonzalez, age 18, of Granville, IA was driving a 2007 Chevrolet Malibu westbound on Highway 10. Barry Galles, age 45, of … Read more

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Drug Take Back Day nets over 27 pounds of unused prescription drugs

October 26, 2020

On Saturday, October 24, the Sioux County Sheriff’s Office took part in the National Prescription Drug Take Back Day. The sheriff’s office has a green ‘MedReturn’ collection box located in its public lobby and is available 24/7/365. On this year’s Take Back Day, 27.4 pounds of drugs were collected for disposal by the United States … Read more

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Sgt. Justin De Bruin and canine Sonny attend USPCA certification

October 22, 2020

On October 18-29, 2020, the United States Police Canine Association (USPCA) held its annual narcotic detection certification. This year, the certification was hosted by the Lyon County Sheriff’s Office. Sergeant Justin De Bruin and canine Sonny attended this year’s certification. The certification consists of two parts: vehicles and rooms with a total of four drug … Read more

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Weapon Permits now issued online through new system

March 31, 2020

The Sioux County Sheriff’s Office hopes to improve the concealed weapon pistol permit process by allowing residents to now fill out an application online. You can now apply online for a concealed weapon permit and also a permit to acquire a pistol or revolver through the Sheriff’s Office website: Application for Iowa Permit to Carry … Read more

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