Businesses in Sioux County, Iowa

As of October 12, 2026, ListRiver's records show 3,961 active registered businesses in Sioux County, Iowa, the 12th most among Iowa counties. 62% are LLCs. 24 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

3,961

Formed in the last 12 months

321

Formed in September

With a phone number

13%

500 records

New Sioux County businesses per month

Businesses on record by formation month, through September 2026. Monthly Iowa new-business reports · Get the list of 24 new businesses formed in September 2026

Entity types

LLCs2,464 · 62%
Corporations1,059 · 27%
Nonprofits360 · 9%
LLPs40 · 1%
Other24 · 1%
Limited partnerships14 · 0%

Top cities

Sioux Center1,133 · 29%
Orange City784 · 20%
Rock Valley708 · 18%
Hull410 · 10%
Hawarden207 · 5%
Alton170 · 4%
Ireton139 · 4%
Boyden125 · 3%
Hospers106 · 3%
Maurice88 · 2%
Granville75 · 2%
Hornick3 · 0%
Chatsworth3 · 0%
Matlock3 · 0%
Bronson1 · 0%

Top ZIP codes

ZIP 512501,134 · 29%
ZIP 51041783 · 20%
ZIP 51247709 · 18%
ZIP 51239410 · 10%
ZIP 51023210 · 5%
ZIP 51003174 · 4%
ZIP 51027139 · 4%
ZIP 51234124 · 3%
ZIP 51238107 · 3%
ZIP 5103688 · 2%
ZIP 5102277 · 2%
ZIP 510113 · 0%
ZIP 512443 · 0%

Newest business names registered in Sioux County

Get all 3,961 Sioux County businesses · see price Just the 44 formed in the last 90 days · see price

Opens the list builder with Sioux County already selected, so you see the exact count and price before you buy. Your list includes addresses, counties, registered agents and more.

See the business names

Enter your email and we'll send you a 6-digit code. Confirm it to see the newest businesses registered in Sioux County, and on every ListRiver business-list page for 30 days. Free, no account needed.

We may send you occasional emails about ListRiver business data; unsubscribe any time. Privacy · Members: sign in

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	Orange City	LLC	Oct 2026
Name hidden	Rock Valley	LLC	Sep 2026
Name hidden	Rock Valley	LLC	Sep 2026
Name hidden	Hawarden	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Rock Valley	LLC	Sep 2026
Name hidden	Orange City	LLC	Sep 2026
Name hidden	Alton	LLC	Sep 2026
Name hidden	Rock Valley	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Rock Valley	LLC	Sep 2026
Name hidden	Hull	LLC	Sep 2026
Name hidden	Boyden	Corporation	Sep 2026
Name hidden	Orange City	LLC	Sep 2026
Name hidden	Hull	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Orange City	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Sioux Center	LLC	Sep 2026
Name hidden	Orange City	Corporation	Sep 2026
Name hidden	Orange City	Corporation	Sep 2026
Name hidden	Orange City	Corporation	Sep 2026
Name hidden	Sioux Center	Corporation	Sep 2026

Build your Sioux County business list

See the exact count and price as you filter by county, city, ZIP, entity type and formation date. Download a CSV right away and get monthly refreshes. Verified businesses can pay 20% today and the rest over 6 months with Pay-in-6™, building business credit as they pay.

Build this list

Own a business in Sioux County?

Before a lender reads your application, its verification system checks your state filing, your exact legal name and your domain against each other. When they don't agree, you're declined and never told why.

Run the same checks free with our affiliated company, Peak Discounters. No account, no card, under a minute.

Run the free lender check

Common questions about Sioux County businesses

How many businesses are registered in Sioux County, Iowa?

ListRiver has 3,961 active registered businesses in Sioux 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 Sioux County, Iowa in September 2026?

24 businesses on record in Sioux County, Iowa were formed in September 2026.

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

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

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

LLCs are the most common: 2,464 of 3,961 businesses on record (62%), followed by Corporations with 1,059 (27%).

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 Sioux County, Iowa?

Use ListRiver's list builder to filter Sioux 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.

More Iowa business lists

Polk County Linn County Scott County Johnson County Black Hawk County Story County Dubuque County Dallas County Woodbury County Pottawattamie County Warren County Cerro Gordo County Clinton County Marion County Muscatine County Des Moines County Plymouth County Washington County Webster County Jasper County Dickinson County Carroll County Marshall County Jefferson County Bremer County Buchanan County Lee County Boone County Hardin County Poweshiek County Winneshiek County Wapello County Benton County Madison County Jones County Clayton County Jackson County Henry County Kossuth County Cedar County Delaware County Clay County Buena Vista County Mahaska County Fayette County Harrison County Iowa County Cass County Mills County Lyon County O'brien County Allamakee County Hamilton County Tama County Chickasaw County Wright County Shelby County Butler County Crawford County Guthrie County Floyd County Cherokee County Howard County Grundy County Humboldt County Mitchell County Winnebago County Keokuk County Hancock County Page County Sac County Greene County Appanoose County Union County Palo Alto County Louisa County Montgomery County Franklin County Calhoun County Des Moines Cedar Rapids West Des Moines Davenport Ankeny Waterloo Iowa City Johnston Urbandale Dubuque Ames Sioux City Council Bluffs Cedar Falls Bettendorf Waukee Clive Marion Coralville Muscatine North Liberty Fairfield Fort Dodge Burlington Mason City Le Mars Pella Indianola Grimes Marshalltown Altoona Carroll Norwalk Ottumwa Clinton Boone Adel Decorah Spirit Lake Spencer

Put this chart on your website

Free to use on any site, and it updates itself every month. Copy this code and paste it into your page. Preview the chart.

<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/iowa/sioux-county" title="New businesses in Sioux 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/sioux-county">Businesses in Sioux 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.