Businesses in Knox County, Illinois

As of October 20, 2026, ListRiver's records show 1,629 active registered businesses in Knox County, Illinois, the 39th most among Illinois counties. 62% are LLCs. 15 were formed in September 2026.

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

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Businesses on record

1,629

Formed in the last 12 months

246

Formed in September

With a phone number

18%

294 records

New Knox County businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 15 new businesses formed in September 2026

Entity types

LLCs1,005 · 62%
Corporations350 · 21%
Nonprofits272 · 17%
Other2 · 0%

Top cities

Galesburg1,047 · 64%
Knoxville108 · 7%
Abingdon102 · 6%
Altona62 · 4%
Dahinda57 · 3%
Yates City38 · 2%
Oneida38 · 2%
Maquon34 · 2%
Williamsfield31 · 2%
Gilson28 · 2%
Victoria25 · 2%
Rio18 · 1%
Wataga18 · 1%
East Galesburg12 · 1%
Saint Augustine7 · 0%

Top ZIP codes

ZIP 614011,034 · 63%
ZIP 61448110 · 7%
ZIP 61410102 · 6%
ZIP 6141462 · 4%
ZIP 6142856 · 3%
ZIP 6146738 · 2%
ZIP 6157238 · 2%
ZIP 6145834 · 2%
ZIP 6148931 · 2%
ZIP 6143627 · 2%
ZIP 6148525 · 2%
ZIP 6148818 · 1%
ZIP 6147218 · 1%
ZIP 6143016 · 1%
ZIP 6140210 · 1%

Newest business names registered in Knox County

Get all 1,629 Knox County businesses · see price Just the 43 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	Galesburg	LLC	Oct 2026
Name hidden	Galesburg	LLC	Oct 2026
Name hidden	Abingdon	LLC	Oct 2026
Name hidden	Knoxville	LLC	Oct 2026
Name hidden	Galesburg	LLC	Oct 2026
Name hidden	Galesburg	LLC	Oct 2026
Name hidden	East Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Victoria	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Knoxville	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Galesburg	LLC	Sep 2026
Name hidden	Rio	LLC	Sep 2026
Name hidden	Galesburg	Nonprofit	Sep 2026
Name hidden	Galesburg	LLC	Aug 2026
Name hidden	Galesburg	LLC	Aug 2026
Name hidden	Galesburg	LLC	Aug 2026
Name hidden	Abingdon	LLC	Aug 2026

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Common questions about Knox County businesses

How many businesses are registered in Knox County, Illinois?

ListRiver has 1,629 active registered businesses in Knox County, Illinois on record as of October 20, 2026, from official Illinois business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Knox County, Illinois in September 2026?

15 businesses on record in Knox County, Illinois were formed in September 2026.

How many new businesses opened in Knox County, Illinois in the last 12 months?

246 businesses on record in Knox County, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Knox County, Illinois?

LLCs are the most common: 1,005 of 1,629 businesses on record (62%), followed by Corporations with 350 (21%).

Where does this data come from?

From Illinois'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 Knox County, Illinois?

Use ListRiver's list builder to filter Knox County, Illinois 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/illinois/knox-county" title="New businesses in Knox County, Illinois 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/illinois/knox-county">Businesses in Knox County, Illinois</a>, ListRiver</p></div>

About this data

Counts come from official Illinois business registry records on file with ListRiver, current as of October 20, 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.