Lookup Inmates in Winnebago County, Wisconsin. Results May Include: Inmate Roster, Mugshot, Current location, Current Housing Section, Current Housing Cell, Commitment Date, Current Housing Block, Current Housing Bed, Aliases, Detainer Information, Charge Information, Bond Information, Charge Information, Case #, Offense Date, Code, Description, Grade, Degree, Marital Status, Citizen, State ID, INS, COB, Physical Description.

Winnebago County Sheriff Overview

Winnebago County is located in the central region of Wisconsin, USA in which the total population is 169,541. Here, the county seat is Oshkosh and this county was created in 1840 and organized in 1848. Winnebago County has a total area of 579 square miles and the zip codes of this county are 54934, 54940, 54947, 54956, 54952, 54964, 54963, 54971, 54980, 54985, 54902, 54901, 54986, 54904, 54903, 54906, and 54927.

Sheriff John Matz and his team conduct patrols across the county to ensure the citizens remain safe from any criminal activity. He can be contacted through the following details:

Contact Information

Country: USA

Address 1: 4311 Jackson St

City: Oshkosh

State: WI

Zip Code: 54901-9760

County: Winnebago County

Phone #:

Fax #:

Additional Information

Type: Sheriff’s Departments

Population Served: 159161

Number of Officers: 39

Inmate Search in County Jail

Winnebago County Jail doesn’t maintain an online inmate roster list in which you can see the list of the detainees. Therefore, the fastest way to locate an inmate is to call at and make a direct inquiry to a jail staff. When you are communicating with a jail officer, you should provide the first and last name of the inmate or ID number or date of birth correctly.

Important Jail Policies and Procedures

Winnebago County Jail’s visitation policy requires inmates to submit the list of the people who will visit them in the future. This list may include up to eight people. The jail authority needs this information to schedule every visitation. Each inmate is allowed to have a maximum of three visitors per visits. The inmates are responsible for scheduling the time and day of the week when they want to meet with the prospective visitors. Additionally, inmates have to notify their visitors to make sure the visitation session is taking place accordingly.

For inmate mail, you should include the name of the sender along with the following mailing address:

Name of the Inmate

Winnebago County Jail

4311 Jackson St

Oshkosh, WI

All incoming mail must come via the U.S. Postal Service. The jail authority reserves the right to check all incoming and outgoing mail for contraband.

You can deposit money into an inmate’s commissary account if you send postal money orders or certified checks. You have to use the above mailing address for postal money orders. You can even drop off money at the lobby window at any time.

Sex Offender Search and Lookup

You will find relevant information regarding all registered sex offenders if you access national or state-based sex offender database. All these criminals have been convicted of a sexual offense against a minor or a victim. According to the law, a sex offender is a person who has pleaded guilty to a sex crime including rape, statutory rape, incest, child pornography, and sex trafficking. A sex crime refers to forced sexual conduct from one person against another. You can locate any sex offender by going through the following link:

Bear in mind the search result will show you the last known addresses or block of the sex offenders you are looking for. You have to accept a disclosure to use the database.

Bail and Bondsman

You can bail an inmate out of Winnebago County Jail by posting the bail money to the court. A bail is a form of property, which can be in cash or collateral. It is set according to the bail schedule of the court. The court will decide how much money one should pay as charges for the crime they have committed. If you cannot afford to pay the bail money to the court, you should obtain the services of a bail and bondsman. A verified bail and bondsman would post the bail money on your behalf and charge at least $100 as their service fee.

Winnebago County Jail Statistics
Number of Persons Confined 326
Avg Daily Population 374
Name of new facility not applicable
Full time payroll 90
Full time total employees 90
Total salaries and wages 6812863
Other operating expenditures 1248345
Total construction costs 0
Equipment, furnishings, etc 0
Year of original construction 2003
Year of major renovation not applicable
Name of new facility not applicable

Address: 4311 JACKSON ST. OSHKOSH WI 54901



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Opening weekend = northbound traffic!

Check traffic before you go, and have some patience...everyone wants to get to their destination safely.


Always a fun time at the Oshkosh Holiday Parade!

A little low key this year, but we’re here for the parade!

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