Main jail

Dekalb County Jail

County jail 150 North Main Street, Sycamore, IL, 60178

Facilities in DeKalb County

Addresses, phone numbers and capacity come from a public facility directory and can be out of date. Call before you travel or send anything.

Find someone in DeKalb County

Read the full guide to finding someone in jail.

  1. Call(815) 895-4177. Have the person's full name and date of birth ready; booking can take several hours.

Questions about DeKalb County jail and inmate search

Where do people arrested in DeKalb County go?

Most people arrested in DeKalb County, Illinois are booked into Dekalb County Jail at 150 North Main Street, Sycamore. Its phone number is (815) 895-4177.

What phone numbers do we list for DeKalb County jails and facilities?

Dekalb County Jail: (815) 895-4177. These come from a public facility directory and can change, so confirm a number before you rely on it.

How do I find out if someone is in jail in DeKalb County?

Call (815) 895-4177 with the person's full name and date of birth.

What county jails are near DeKalb County?

The closest county jails we list outside DeKalb County are Kane County Jail in St Charles (Kane County, about 18 miles), Boone County Jail in Belvidere (Boone County, about 21 miles) and Aurora Detention Center in Aurora (Kane County, about 25 miles). Distances are straight-line miles between listed facilities, not driving distances.

How many people can the Dekalb County Jail hold?

The facility directory lists a capacity of 140 beds for Dekalb County Jail.