LegalCostCalculator
Updated May 2026 Side-by-Side

Illinois vs South Dakota: Legal Cost Comparison (2026)

Full side-by-side breakdown of legal fees in Illinois and South Dakota — LLC formation, divorce filing, small claims limits, and notary fees.

Illinois
Cheaper LLC
South Dakota
Cheaper Divorce
South Dakota
Higher SC Limit

LLC Formation Costs: Illinois vs South Dakota

Illinois
South Dakota

Filing Fee

$150
$150

It's a tie

Annual Report

$75
$50 WIN

✓ South Dakota is cheaper here

Publication Cost

$0
$0

It's a tie

Franchise Tax

$0
$0

It's a tie

Est. Year-1 Total

$150
$150

It's a tie

Illinois: Illinois processing time can be slow — up to 10 business days for standard filing.

South Dakota: South Dakota's foreign qualification fee ($750) is one of the highest in the US — 5× the domestic fee.

Illinois: Chicago access — major market for B2B and professional services.

South Dakota: No state income tax and no personal income tax.

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Small Claims Court: Illinois vs South Dakota

Illinois
South Dakota

Max Claim Limit

$10,000
$12,000 WIN

✓ South Dakota is cheaper here

Min Filing Fee

$56
$40 WIN

✓ South Dakota is cheaper here

Contract SOL

5 yrs
6 yrs WIN

✓ South Dakota is cheaper here

Divorce Filing Costs: Illinois vs South Dakota

Illinois
South Dakota

Filing Fee

$289
$95 WIN

✓ South Dakota is cheaper here

Sheriff Service

$60
$30 WIN

✓ South Dakota is cheaper here

Children Surcharge

$0
$0

It's a tie

Notary Fees: Illinois vs South Dakota

Illinois
South Dakota

Acknowledgment

$5
$10

Jurat

$5
$10

RON Fee

$25
$10
All Legal Costs in Illinois →
Full breakdown: LLC, divorce, small claims & notary
All Legal Costs in South Dakota →
Full breakdown: LLC, divorce, small claims & notary

Frequently Asked Questions

Is Illinois or South Dakota cheaper to form an LLC?
Illinois vs South Dakota legal costs rules vary by state. See our complete state-by-state breakdown above for the most current information, sourced directly from official court and government websites.
What is the LLC filing fee in Illinois vs South Dakota?
Illinois vs South Dakota legal costs costs vary by state. Use our calculator above to find the exact amount for your state. Fees are updated regularly from official state and court sources.
Which state is better for a small business — Illinois or South Dakota?
Illinois vs South Dakota legal costs rules vary by state. See our complete state-by-state breakdown above for the most current information, sourced directly from official court and government websites.
How do divorce filing fees compare between Illinois and South Dakota?
Illinois vs South Dakota legal costs costs vary by state. Use our calculator above to find the exact amount for your state. Fees are updated regularly from official state and court sources.
What is the small claims limit in Illinois vs South Dakota?
What is the small claims limit in Illinois vs South Dakota is an important aspect of Illinois vs South Dakota legal costs. Requirements and limits vary by state. Our state-by-state data above covers the key figures you need, sourced from official government websites.