Businesses in Winnebago County, Iowa

As of October 12, 2026, ListRiver's records show 966 active registered businesses in Winnebago County, Iowa. 64% are LLCs. 6 were formed in September 2026.

From official Iowa registry records, updated weekly. Look up a Iowa business by name.

Businesses on record

966

Formed in the last 12 months

Formed in September

With a phone number

14%

137 records

New Winnebago County businesses per month

Businesses on record by formation month, through September 2026. Monthly Iowa new-business reports · Get the list of 6 new businesses formed in September 2026

Entity types

LLCs614 · 64%
Corporations211 · 22%
Nonprofits123 · 13%
LLPs11 · 1%
Other5 · 1%
Limited partnerships2 · 0%

Top cities

Forest City426 · 44%
Lake Mills268 · 28%
Buffalo Center142 · 15%
Thompson52 · 5%
Leland41 · 4%
Scarville20 · 2%
Rake14 · 1%
Kensett1 · 0%
Thornton1 · 0%
Titonka1 · 0%

Top ZIP codes

ZIP 50436426 · 44%
ZIP 50450269 · 28%
ZIP 50424143 · 15%
ZIP 5047853 · 5%
ZIP 5045341 · 4%
ZIP 5047320 · 2%
ZIP 5046514 · 1%

Newest business names registered in Winnebago County

Get all 966 Winnebago County businesses · see price Just the 10 formed in the last 90 days · see price

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Forest City	Nonprofit	Sep 2026
Name hidden	Lake Mills	LLC	Sep 2026
Name hidden	Forest City	LLC	Sep 2026
Name hidden	Forest City	LLC	Sep 2026
Name hidden	Lake Mills	LLC	Sep 2026
Name hidden	Forest City	LLC	Sep 2026
Name hidden	Lake Mills	LLC	Aug 2026
Name hidden	Forest City	LLC	Aug 2026
Name hidden	Buffalo Center	LLC	Aug 2026
Name hidden	Lake Mills	LLC	Aug 2026
Name hidden	Forest City	LLC	Jul 2026
Name hidden	Forest City	LLC	Jul 2026
Name hidden	Lake Mills	LLC	Jul 2026
Name hidden	Buffalo Center	LLC	Jul 2026
Name hidden	Buffalo Center	LLC	Jul 2026
Name hidden	Forest City	LLC	Jun 2026
Name hidden	Lake Mills	Nonprofit	Jun 2026
Name hidden	Buffalo Center	LLC	Jun 2026
Name hidden	Forest City	LLC	Jun 2026
Name hidden	Lake Mills	LLC	Jun 2026
Name hidden	Rake	LLC	Jun 2026
Name hidden	Forest City	LLC	Jun 2026
Name hidden	Forest City	LLC	May 2026
Name hidden	Lake Mills	LLC	May 2026
Name hidden	Lake Mills	LLC	May 2026

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Common questions about Winnebago County businesses

How many businesses are registered in Winnebago County, Iowa?

ListRiver has 966 active registered businesses in Winnebago County, Iowa on record as of October 12, 2026, from official Iowa business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Winnebago County, Iowa in September 2026?

6 businesses on record in Winnebago County, Iowa were formed in September 2026.

How many new businesses opened in Winnebago County, Iowa in the last 12 months?

82 businesses on record in Winnebago County, Iowa were formed in the 12 months through September 2026.

What is the most common type of business in Winnebago County, Iowa?

LLCs are the most common: 614 of 966 businesses on record (64%), followed by Corporations with 211 (22%).

Where does this data come from?

From Iowa's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Winnebago County, Iowa?

Use ListRiver's list builder to filter Winnebago County, Iowa businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/iowa/winnebago-county" title="New businesses in Winnebago County, Iowa by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/iowa/winnebago-county">Businesses in Winnebago County, Iowa</a>, ListRiver</p></div>

About this data

Counts come from official Iowa business registry records on file with ListRiver, current as of October 12, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.