Winnebago County

Winnebago County company information, Employees & Contact Information

Updated June 2026

Quick answer

Winnebago County is a Government Administration company and founded in 1836. It has approximately 523 employees on record. Contact data was last refreshed in June 2026. Find Winnebago County's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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Winnebago County is a county located in the U.S. state of Illinois. With a population of 295,300, it is the seventh most populous county in Illinois behind Cook County and its five surrounding collar counties.

Company Details

Employees
523
Founded
1836
Address
404 Elm Street, Rockford,illinois 61101,united States
Industry
Government Administration
NAICS
Public Administration
Justice, Public Order, and Safety Activities
Space Research and Technology
Legal Counsel and Prosecution
Correctional Institutions
Parole Offices and Probation Offices
Fire Protection
HQ
Rockford, Illinois
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Winnebago County Questions

News

Sept. 5 is the deadline for Winnebago County property tax payments. Here's how to pay - Rockford Register Star

Sept. 5 is the deadline for Winnebago County property tax payments. Here's how to pay Rockford Register Star

Voting Tuesday? Here's what you need to know about Rockford's primary election - Rockford Register Star

Voting Tuesday? Here's what you need to know about Rockford's primary election Rockford Register Star

Winnebago County Community Mental Health Board searches for new board member - WIFR

Winnebago County Community Mental Health Board searches for new board member WIFR

Voter ID cards to be mailed - Beloit Daily News

Voter ID cards to be mailed Beloit Daily News

New off-site early voting location for Winnebago County residents - WREX

New off-site early voting location for Winnebago County residents WREX

Poll workers needed in the stateline - WIFR

Poll workers needed in the stateline WIFR

Revealing The Trust Issues Oklahomans Have With Tap Water - KLAW 101

Revealing The Trust Issues Oklahomans Have With Tap Water KLAW 101

Retirees, nurses, neighbors: Meet the Winnebago County Medical Reserve Corps volunteers - Rockford Register Star

Retirees, nurses, neighbors: Meet the Winnebago County Medical Reserve Corps volunteers Rockford Register Star

River Bluff Nursing Home to get board of directors - WIFR

River Bluff Nursing Home to get board of directors WIFR

Ready for Election Day? Here's what you need to know about voting across the Rockford area - Rockford Register Star

Ready for Election Day? Here's what you need to know about voting across the Rockford area Rockford Register Star

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