Sheriff - Marshall County, Iowa

Welcome to the Marshall County Sheriff's Office website.

The men and women of the Marshall County Sheriff's Office are dedicated to providing our citizens with the best law enforcement service possible. This website allows our agency to have closer contact and better interaction with the community, and visitors find our most wanted persons, information on programs like Senior Check, an up-to-date inmate list, and more.

Quick Links

Most Wanted

Inmate Roster

Submit a Crime Tip

Weapon Permits

Prescription Drop Off

Receive Alerts

News

Join MCSO for Donuts with a Deputy

December 15, 2025 at 9:18 am

Thanksgiving Day Family Disturbance Ends in Tragedy

November 28, 2025 at 8:52 am

Two Marshalltown Brothers Sentenced to Federal Prison for Conspiracy to Distribute Heroin

November 24, 2025

MIDTF Serves Narcotic Search Warrant

November 5, 2025 at 6:33 pm

All News

FAQ

How do I leave a message for an inmate?

Sheriff staff will not pass on messages to inmates. It is recommended that you write the inmate a letter.

What do I do with unwanted or unused prescription and over-the-counter drugs and medications?

The Marshall County Sheriff’s Office and Marshalltown Police Dept. have a Prescription and Over-the-Counter Drug and Medication drop boxes. See our drop box page for additional information.

All Frequently Asked Questions

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Marshall County Iowa Sheriff's Office

Submit anonymous tips.

Call Marshall County Crime Stoppers at (641) 753-1234.