How many email patterns does Winnebago County use?

Winnebago County uses 10 known email patterns.

What domain does Winnebago County use for work emails?

Winnebago County uses wincoil.us, co.winnebago.wi.us for work email addresses.

Most Common Email Formats at Winnebago County

Winnebago County's most common email format is FLast@wincoil.us (ex. JDoe@wincoil.us), used for 97% of wincoil.us addresses. Winnebago County uses 6 email patterns across 3 domains: wincoil.us, co.winnebago.wi.us and wincoil.gov. Percentages are the share of addresses within each domain.

@wincoil.us

3 patterns

Format	Example	Share of wincoil.us
FLast@wincoil.usMost common	JDoe@wincoil.us	97%
Last@wincoil.us	Doe@wincoil.us	2%
First@wincoil.us	John@wincoil.us	1%

@co.winnebago.wi.us

2 patterns

Format	Example	Share of co.winnebago.wi.us
FLast@co.winnebago.wi.usMost common	JDoe@co.winnebago.wi.us	99%
F.Last@co.winnebago.wi.us	J.Doe@co.winnebago.wi.us	1%

@wincoil.gov

1 pattern

Format	Example	Share of wincoil.gov
FLast@wincoil.govMost common	JDoe@wincoil.gov	100%

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Frequently Asked Questions

What does Winnebago County do?

Winnebago County was founded in 1836 and operates in the Government Administration industry, alongside similar companies like Portage County. You can visit wincoil.gov. Explore Winnebago County's company overview page for more information.

What is Winnebago County's email address format?

Winnebago County's email format typically follows the pattern of FLast@wincoil.us; this email format is used 97% of the time. Other contacts within LeadIQ's database had email formats such as Last@wincoil.us and First@wincoil.us. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Winnebago County have currently?

Winnebago County has approximately 548 employees as of October 2026. Key team members to contact include Chief Deputy: S. B., Chief Deputy Recorder: J. P. and Chief Deputy: M. K. For more team information and contact data, explore Winnebago County's employee directory with LeadIQ.

Winnebago County Email Format

Government AdministrationIllinois, United States501-1000 Employees

Winnebago County is a mid-sized county government located in Rockford, Illinois. It serves a population of about 295,300 residents, making it one of the more populous counties in the state. Operating within the government administration sector, the county provides local governance and public services to residents in the Rockford region.

In October 2025, the county launched an online alert system designed to protect notaries from document fraud. Earlier efforts include the development of Pretrial Data Dashboards and partnerships with community organizations to expand public information and services.

Most common format

FLast@wincoil.us

Example: JDoe@wincoil.us

6 patterns across 3 domains. See all formats

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Most Common Email Formats at Winnebago County

@wincoil.us

@co.winnebago.wi.us

@wincoil.gov

Need a specific person's email?

Frequently Asked Questions

What does Winnebago County do?

What is Winnebago County's email address format?

How many employees does Winnebago County have currently?

Winnebago County Email Format

Ready to create more pipeline?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.