Every detail on this page is checked by hand, not scraped. This unofficial directory helps friends and family of incarcerated individuals find critical information — inmate lists, locations, bail resources, visitation hours, rules, and text, phone, email, and mail services — for jails, detention centers, and prisons across the United States.
The 500-bed Cook County Jail - Division 8 RTU Annex offers inmate information over the phone 24 hours a day at 773-674-7100.
This facility is the first stop for people arrested in the county on misdemeanor and felony charges. Everyone goes through booking and processing, and those who are held stay until they are bonded out, released on their own recognizance, or until their trial is finished.
You can search for current inmates using the inmate search tool.
Inmates sentenced to less than one year serve out their time at this jail. Inmates sentenced to longer terms are transferred to the Illinois State Prison System or the Federal Bureau of Prisons.
This page tells you how to search the official jail roster, reach the facility, and use services like visitation, inmate account funding, mail, phone calls, voicemail, email and texting, tablet rentals, bail bonds, and commissary.
The inmate’s jail ID or booking number is required for many services, so save it. If it’s not online, call Cook County Jail - Division 8 RTU Annex at 773-674-7100.
Phone: 773-674-7100
Physical Address:
2700 S. California Avenue
Chicago, IL 60608
Mailing Address (personal mail):
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
Mailing Address (legal mail or subscriptions):
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
Other Jails and Prisons
To search for an inmate in the Cook County Jail - Division 8 RTU Annex, review their criminal charges, the amount of their bond, when they can get visits, or even view their mugshot, go to the Official Jail Inmate Roster, or call the jail at 773-674-7100 for the information you are looking for. You can also look up the Cook County Criminal Court or any court in Illinois, as well as criminal court case information regarding an offender.
The Cook County Court Clerk has a lot more specific information you can use to find more about an offender's criminal court case as well.
Cook County Jail - Division 8 RTU Annex Inmate Search
The Cook County Jail - Division 8 RTU Annex maintains an average of 500 offenders in custody on any given day. The Cook County Jail - Division 8 RTU Annex has a monthly turnover of 40% of their inmate population, another 30% turnover every 90 days, another 20% every six months, and approximately 10% stay incarcerated between six and twelve months. Every year Cook County law enforcement agencies arrest and detain approximately 169,460 offenders.
The following charts of Cook County inmate population demographics are updated daily. The information shown is for today. For research purposes we have broken down the inmates by sex, age, ethnicity, and criminal charges.
The information is compiled from the Cook County Corrections Department, the state of Illinois Department of Corrections, as well as the United States Department of Justice and Census Bureau records. It represents every person in custody in Cook County.
For complete information on how to get directions, bond, visit, mail, send and receive email and texts, receive phone calls, and send money or commissary to an inmate, find arrest information for Cook County and other counties surrounding this one, scroll down this page. We have a section for each.
We also provide photos of the jail that we have collected over the years.
⇓ Learn more ⇓ Show lessOnce arrested, the person is taken to Cook County Jail - Division 8 RTU Annex for booking, a process that confirms identity, assesses charges, and determines if they will be released on their own recognizance, posted for bail, or held until court.
Staying silent is key during this process, as anything spoken can be used as evidence in court. It’s best to wait for legal counsel before responding to questions.
Steps involved in booking at Cook County Jail - Division 8 RTU Annex include:
Booking can range from an hour to 48 hours depending on the circumstances. To check on an offender’s bond amount, contact Cook County Jail - Division 8 RTU Annex at 773-674-7100.
After an arrest, individuals are brought to Cook County Jail - Division 8 RTU Annex in Chicago for processing. Following this, three possible outcomes exist:
1. The individual may be released without posting bail, with a promise to appear in court.
2. The individual could be held in jail until their court date.
3. Bail or bond can be posted for release; for more information, contact 773-674-7100.
Bail payment can be handled through various means.
To learn more about the bail process in Cook County, Illinois, visit the Cook County Jail - Division 8 RTU Annex Bail Page.
Learn even more ⇓ Learn more ⇓ Show lessHow Do You Visit an Inmate in the Cook County Jail - Division 8 RTU Annex? What is the Schedule?
Review the following rules and procedures if you want to visit an inmate at any of the Cook County Jails.
Once regular in-person visitation returns in 2023, the following will link you to the actual visitation schedules for each Cook County Jail Division:
Video Visitation is done using Microsoft Teams Group Chat Software.
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Cook County Jail - Division 8 RTU Annex’s Inmate Visitation Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 773-674-7100 for further assistance.
Learn even more ⇓ Learn more ⇓ Show lessCan I Use My Computer or Phone to Have a Remote Video Visit with an Inmate in the Cook County Jail - Division 8 RTU Annex?
Video Visitation is done using Microsoft Teams Group Chat Software.
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Cook County Jail - Division 8 RTU Annex’s Video Remote Visitation Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 773-674-7100 for further assistance.
Learn even more ⇓ Learn more ⇓ Show lessHow Do You Deposit Money for an Inmate in the Cook County Jail - Division 8 RTU Annex?

There are five ways to deposit money in an inmate's account in the Cook County Jail Corrections System:
In order to do any of these you need to know the exact name the inmate was booked under, and the booking number.
If you can't find the inmate and booking number online, call the Records Office at 773-674-2390.
Each week, an individual in custody can purchase up to $100 worth of clothing & supplies, and also $100 worth of food items.
1. Online or Telephone Deposits - Note that it my take up to two business days for the funds to show up in the inmate's account.
JailATM - You need to first register with JailATM in order to look up your inmate's name and booking number and deposit money into their trust fund account. They charge a small fee every time you make a deposit. If you have questions or prefer to use their phone service in order to deposit money, call them at 870-627-5476.

Western Union - First, you need to know the exact spelling of the inmate's name and booking number.
You also need to know these codes: The City Code is: CCDOC or COOK COUNTY DEPT CORRECTION
State Code is: ILLINOIS
Money Gram - First, you need to know the exact spelling of the inmate's name, AND their booking number.
You will also have to know the Receive Code, which is 1750.
For questions, concerns or to add funds via Money Gram over the phone, call 800-225-5227
2. Currency Exchange Facilities -
Deposit funds in-person at Currency Exchanges that offer Western Union or Money Gram services.
Codes:
Western Union
City Code: CCDOC or COOK COUNTY DEPT CORRECTION
State: ILLINOIS
Money Gram
Receive Code: 1750
JailATM
Visit JailATM to register or call 870-627-5476
3. Mailing a Payment -
* Money orders - $100 maximum
* Cashiers Checks - $1,000 maximum
When sending an inmate money by mail, the Cook County Jail - Division 8 RTU Annex will only accept:
If you want to send more you can, but you need to send multiple checks that do not exceed the maximum amounts listed above.
**Important Notes**
Mailing Address:
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
4. Dropping off a payment at a Kiosk - $300 maximum
When dropping off an inmate's money in person, the Cook County Jail - Division 8 RTU Annex will only accept.
These Kiosks are ATM machines that are managed by JailATM.

JailATM Locations at the Cook County Jail to drop off inmate money:
The following is the procedure to pick-up money from an incarcerated male or female inmate’s money account, regardless of which Cook County Jail they were in:
Once an inmate is released, they can go to the following address, and as long as they can present a government issued picture ID, they can get the balance of their Trust Fund Account issued to them.
Division 5
2700 S. California Ave.
Chicago, IL 60608
Hours: 9 a.m. to 8:30 p.m.
If they don't have an ID, the balance will be mailed to the address that Cook County Corrections has on file.
If they are being released to another facility, upon request, the balance will be sent there.
Letters can be mailed to:
Cook County Department of Corrections
Trust/Finance Office – Individual in Custody Trust Fund
Division 5 Second Floor
2700 S California Avenue
Chicago, IL 60608
If you have any questions, call the Trust/Finance Office at 773-674-6864.
For more information, including fees, more detailed instructions, deposit limits, type of items available to purchase, and more, check out our Inmate Money page.
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Cook County Jail - Division 8 RTU Annex’s Inmate Money and Trust Fund Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 773-674-7100 for further assistance.
Learn even more ⇓ Learn more ⇓ Show lessHow Do I Receive Phone Calls from an Inmate in the Cook County Jail - Division 8 RTU Annex?
Follow these instructions on how to open an account with GTL Connect Network (aka Viapath Technologies)
For full instructions on the Cook County Jail - Division 8 RTU Annex Inmate Phone System, what the costs are, how it works, and tips and guidelines on rules, regulations and saving money on calls, check out our Inmate Phones Page.
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Cook County Jail - Division 8 RTU Annex’s Inmate Phone Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 773-674-7100 for further assistance.
Learn even more ⇓ Learn more ⇓ Show lessHow do I Mail an Inmate in the Cook County Jail - Division 8 RTU Annex, and what can I send them?
The purpose of these rules are not to make life difficult for you or to ‘punish’ incarcerated inmates further, but are here for the safety and security of all the inmates and staff who reside and work in what can be a very dangerous place.
For the time being, Cook County Jail - Division 8 RTU Annex is still allowing inmates to receive physical mail, however many jails and prisons around the country are starting to go full-on digital; only allowing electronic messages and digital images to be accessible by inmates through kiosks or jail provided handheld devices.
All Cook County Jail Inmates are made aware of the following Rules and Policies and for your benefit these are posted here.
Many items that are needed by inmates that you may want to mail but can’t, can be purchased directly from the Cook County Jail’s Commissary. Even indigent inmates, those without any funds, are provided basic hygiene items and other items necessary for their physical and mental health.
Cook County Jail - Division 8 RTU Annex Inmates are allowed mail in envelopes and on postcards.
They are also allowed to receive books and magazines, but only a maximum of three per mailing. Newspapers are not allowed.
Mailing Address:
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
The following is a list of PROHIBITED items:
If any of these items are mailed to an inmate in the Cook County Jail - Division 8 RTU Annex, they will be returned intact to the sender (provided there is a return address) and the inmate will NOT be notified.
Read and follow this list carefully. There are NO EXCEPTIONS to this policy.
If any of these items are found in the mail sent to an inmate, everything in the envelope or package will be returned to the sender and the inmate will NOT be notified.
Any mail that has any perfume, oil, sticky substance or anything other the the original paper or the original condition of the item, will be returned along with everything else in the envelope or parcel.
You the sender may obtain a review of returned items by writing to the Department of Corrections within 10 days of receipt of a Notice of Returned Mail and stating your objections, to the following address:
Mail Rejection
Cook County Department of Corrections
2700 S. California Ave.
Chicago, IL 60608
The staff of the Cook County Correcions reserves the right to add to this list of prohibited items at any time.
Cook County Jail - Division 8 RTU Annex Inmates are allowed mail in envelopes and on postcards. They are also allowed to receive photos.
They are also allowed to receive books and magazines, but not newspapers.
Mailing Address:
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
To learn all the rules, policies and guidelines, and they are extensive, for sending anything in the mail to an inmate at any of the Cook County Jails, check out our Inmate Mail Page.
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Cook County Jail - Division 8 RTU Annex’s Inmate Mail Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 773-674-7100 for further assistance.
Learn even more ⇓ Learn more ⇓ Show lessCan I purchase Commissary Online for an Inmate in the Cook County Jail - Division 8 RTU Annex, and what can I purchase?

There are five ways to deposit money in an inmate's account in the Cook County Jail Corrections System:
In order to do any of these you need to know the exact name the inmate was booked under, and the booking number.
If you can't find the inmate and booking number online, call the Records Office at 773-674-2390.
Each week, an individual in custody can purchase up to $100 worth of clothing & supplies, and also $100 worth of food items.
1. Online or Telephone Deposits - Note that it my take up to two business days for the funds to show up in the inmate's account.
JailATM - You need to first register with JailATM in order to look up your inmate's name and booking number and deposit money into their trust fund account. They charge a small fee every time you make a deposit. If you have questions or prefer to use their phone service in order to deposit money, call them at 870-627-5476.

Western Union - First, you need to know the exact spelling of the inmate's name and booking number.
You also need to know these codes: The City Code is: CCDOC or COOK COUNTY DEPT CORRECTION
State Code is: ILLINOIS
Money Gram - First, you need to know the exact spelling of the inmate's name, AND their booking number.
You will also have to know the Receive Code, which is 1750.
For questions, concerns or to add funds via Money Gram over the phone, call 800-225-5227
2. Currency Exchange Facilities -
Deposit funds in-person at Currency Exchanges that offer Western Union or Money Gram services.
Codes:
Western Union
City Code: CCDOC or COOK COUNTY DEPT CORRECTION
State: ILLINOIS
Money Gram
Receive Code: 1750
JailATM
Visit JailATM to register or call 870-627-5476
3. Mailing a Payment -
* Money orders - $100 maximum
* Cashiers Checks - $1,000 maximum
When sending an inmate money by mail, the Cook County Jail - Division 8 RTU Annex will only accept:
If you want to send more you can, but you need to send multiple checks that do not exceed the maximum amounts listed above.
**Important Notes**
Mailing Address:
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
4. Dropping off a payment at a Kiosk - $300 maximum
When dropping off an inmate's money in person, the Cook County Jail - Division 8 RTU Annex will only accept.
These Kiosks are ATM machines that are managed by JailATM.

JailATM Locations at the Cook County Jail to drop off inmate money:
The following is the procedure to pick-up money from an incarcerated male or female inmate’s money account, regardless of which Cook County Jail they were in:
Once an inmate is released, they can go to the following address, and as long as they can present a government issued picture ID, they can get the balance of their Trust Fund Account issued to them.
Division 5
2700 S. California Ave.
Chicago, IL 60608
Hours: 9 a.m. to 8:30 p.m.
If they don't have an ID, the balance will be mailed to the address that Cook County Corrections has on file.
If they are being released to another facility, upon request, the balance will be sent there.
Letters can be mailed to:
Cook County Department of Corrections
Trust/Finance Office – Individual in Custody Trust Fund
Division 5 Second Floor
2700 S California Avenue
Chicago, IL 60608
If you have any questions, call the Trust/Finance Office at 773-674-6864.

There are five ways to deposit money in an inmate's account in the Cook County Jail Corrections System:
In order to do any of these you need to know the exact name the inmate was booked under, and the booking number.
If you can't find the inmate and booking number online, call the Records Office at 773-674-2390.
Each week, an individual in custody can purchase up to $100 worth of clothing & supplies, and also $100 worth of food items.
1. Online or Telephone Deposits - Note that it my take up to two business days for the funds to show up in the inmate's account.
JailATM - You need to first register with JailATM in order to look up your inmate's name and booking number and deposit money into their trust fund account. They charge a small fee every time you make a deposit. If you have questions or prefer to use their phone service in order to deposit money, call them at 870-627-5476.

Western Union - First, you need to know the exact spelling of the inmate's name and booking number.
You also need to know these codes: The City Code is: CCDOC or COOK COUNTY DEPT CORRECTION
State Code is: ILLINOIS
Money Gram - First, you need to know the exact spelling of the inmate's name, AND their booking number.
You will also have to know the Receive Code, which is 1750.
For questions, concerns or to add funds via Money Gram over the phone, call 800-225-5227
2. Currency Exchange Facilities -
Deposit funds in-person at Currency Exchanges that offer Western Union or Money Gram services.
Codes:
Western Union
City Code: CCDOC or COOK COUNTY DEPT CORRECTION
State: ILLINOIS
Money Gram
Receive Code: 1750
JailATM
Visit JailATM to register or call 870-627-5476
3. Mailing a Payment -
* Money orders - $100 maximum
* Cashiers Checks - $1,000 maximum
When sending an inmate money by mail, the Cook County Jail - Division 8 RTU Annex will only accept:
If you want to send more you can, but you need to send multiple checks that do not exceed the maximum amounts listed above.
**Important Notes**
Mailing Address:
NAME:
BOOKING #:
2700 S. California Ave.
Chicago, IL 60608
4. Dropping off a payment at a Kiosk - $300 maximum
When dropping off an inmate's money in person, the Cook County Jail - Division 8 RTU Annex will only accept.
These Kiosks are ATM machines that are managed by JailATM.

JailATM Locations at the Cook County Jail to drop off inmate money:
The following is the procedure to pick-up money from an incarcerated male or female inmate’s money account, regardless of which Cook County Jail they were in:
Once an inmate is released, they can go to the following address, and as long as they can present a government issued picture ID, they can get the balance of their Trust Fund Account issued to them.
Division 5
2700 S. California Ave.
Chicago, IL 60608
Hours: 9 a.m. to 8:30 p.m.
If they don't have an ID, the balance will be mailed to the address that Cook County Corrections has on file.
If they are being released to another facility, upon request, the balance will be sent there.
Letters can be mailed to:
Cook County Department of Corrections
Trust/Finance Office – Individual in Custody Trust Fund
Division 5 Second Floor
2700 S California Avenue
Chicago, IL 60608
If you have any questions, call the Trust/Finance Office at 773-674-6864.
For more information, including fees, more detailed instructions, deposit limits, type of items available to purchase, and more, check out our Inmate Money page.
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Cook County Jail - Division 8 RTU Annex’s Commissary Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 773-674-7100 for further assistance.
Learn even more ⇓ Learn more ⇓ Show lessWhat are the other City and County Jails in Cook County?
What are the other Jails in the Neighboring Counties surrounding Cook County?
This facility, known as "Cook County Jail - Division 8 RTU Annex" is also known as Formerly Division 5.
The Cook County Jail - Division 8 RTU Annex serves the following cities and towns of Cook County: Alsip, Arlington Heights, Barrington, Bartlett, Bedford Park, Bellwood, Berkeley, Berwyn, Blue Island, Bridgeview, Broadview, Brookfield, Buffalo Grove, Burnham, Burr Ridge, Calumet City, Calumet Park, Chicago, Chicago Heights, Chicago Ridge, Cicero, Clarendon Hills, Country Club Hills, Countryside, Des Plaines, Dolton, Elk Grove Village, Elmhurst, Elmwood Park, Evanston, Evergreen Park, Flossmoor, Forest Park, Forest View, Franklin Park, Glencoe, Glenview, Glenwood, Golf, Harvey, Harwood Heights, Hazel Crest, Hickory Hills, Hillside, Hinsdale, Hodgkins, Hoffman Estates, Homewood, Inverness, Justice, La Grange, La Grange Park, Lansing, Lemont, Lincolnwood, Lynwood, Lyons, Markham, Matteson, Maywood, McCook, Melrose Park, Merrionette Park, Midlothian, Morton Grove, Mount Prospect, Niles, Norridge, North Chicago, Northbrook, Northfield, Northlake, Oak Forest, Oak Lawn, Oak Park, Olympia Fields, Orland Hills, Orland Park, Palatine, Palos Heights, Palos Hills, Palos Park, Park Forest, Park Ridge, Posen, Prospect Heights, Richton Park, River Forest, River Grove, Riverdale, Riverside, Robbins, Rolling Meadows, Rosemont, Schaumburg, Schiller Park, Skokie, South Holland, Steger, Streamwood, Summit, Thornton, Tinley Park, University Park, Westchester, Western Springs, Wheeling, Wilmette, Winnetka and Worth.