Inmate Search
The Sheriff's Office maintains a listing of all current inmates. Begin your search here.
General Orders
Looking for a public facing document or the Sheriff's Office's General Orders? Check here.
FOIA Request
Need to view a public record? Submit a FOIA request here.
Traffic & Security Detail
If you have an event in need of traffic control or security, check here.

On August 16, 2022, at 03:34 a.m., the McHenry County Sheriff’s Office and Marengo Fire and Rescue Department responded to a traffic crash on Rt.



The McHenry County Sheriff’s Office is currently accepting applications for the position of Correctional Officer. The physical agility test (P.O.W.E.R. Test) and written exam will


Subject’s Name Age Resident City Date of Arrest TOWNSEND, RYAN E 29 WONDER LAKE 07/19/2022 @ 6:46AM Aggravated Battery – Peace
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