Businesses in Clinton County, Iowa

As of October 12, 2026, ListRiver's records show 3,085 active registered businesses in Clinton County, Iowa, the 14th most among Iowa counties. 72% are LLCs. 30 were formed in September 2026. That is 1% of all Iowa businesses on record.

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

Businesses on record
3,085
Formed in the last 12 months
333
Formed in September
30
With a phone number
10%
323 records

New Clinton County businesses per month

075150Oct 2024: 24Oct 24Nov 2024: 11Dec 2024: 17Jan 2025: 372025Feb 2025: 23Mar 2025: 24Apr 2025: 37May 2025: 24Jun 2025: 115Jul 2025: 47Aug 2025: 27Sep 2025: 33Oct 2025: 19Nov 2025: 18Dec 2025: 37Jan 2026: 362026Feb 2026: 22Mar 2026: 30Apr 2026: 26May 2026: 26Jun 2026: 38Jul 2026: 21Aug 2026: 30Sep 2026: 30

Businesses on record by formation month, through September 2026. Monthly Iowa new-business reports · Get the list of 30 new businesses formed in September 2026

Entity types

  • LLCs2,225 · 72%
  • Corporations456 · 15%
  • Nonprofits367 · 12%
  • Other21 · 1%
  • LLPs13 · 0%
  • Limited partnerships3 · 0%

Top cities

Top ZIP codes

Newest business names registered in Clinton County

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BusinessCityTypeFormed
Name hiddenClintonLLCSep 2026
Name hiddenDe WittLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenCharlotteLLCSep 2026
Name hiddenDewittLLCSep 2026
Name hiddenDewittLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenDe WittLLCSep 2026
Name hiddenDewittLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenCalamusLLCSep 2026
Name hiddenGrand MoundLLCSep 2026
Name hiddenClintonCorporationSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenClintonNonprofitSep 2026
Name hiddenCamancheLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenCamancheLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenClintonLLCSep 2026
Name hiddenCharlotteLLCSep 2026
Name hiddenLost NationCorporationSep 2026

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Common questions about Clinton County businesses

How many businesses are registered in Clinton County, Iowa?

ListRiver has 3,085 active registered businesses in Clinton 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 Clinton County, Iowa in September 2026?

30 businesses on record in Clinton County, Iowa were formed in September 2026.

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

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

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

LLCs are the most common: 2,225 of 3,085 businesses on record (72%), followed by Corporations with 456 (15%).

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 Clinton County, Iowa?

Use ListRiver's list builder to filter Clinton 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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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.