WELCOME TO THE
LYON COUNTY IOWA SHERIFF'S DEPARTMENT
The Lyon County Sheriff’s Department is composed of three entities: Law Enforcement, Dispatch/Communications, and Jail/Detention.
The Lyon County Sheriff’s Department is located in Rock Rapids, Iowa. The Sheriff’s Department is responsible for law enforcement in all towns located within Lyon County which include: Alvord, Doon, George, Inwood, Larchwood, Lester, Little Rock, Rock Rapids and the unincorporated towns of: Beloit, Edna, Granite, and Klondike.