Illinois Quarterly Tax Calculator for Gig Drivers

Illinois has its own state income tax on top of federal self-employment tax. Get your exact quarterly estimated tax payment, effective rate, and recommended set-aside — free, in seconds.

Illinois Estimated Tax Facts

State Income Tax

Yes

Estimated Tax Form

Form IL-1040-ES

File When You Owe

$500+ in state tax

Self-Employment Tax Rate

15.3% (federal)

Calculate Your Illinois Quarterly Payment

Annual Gig Income ($)

Miles Driven / Year

Quarterly Payment

Annual Tax

Effective Rate

Set Aside / Payout

Illinois Specific Tax Notes

Illinois has a flat 4.95% income tax rate
Illinois does NOT have a standard deduction — instead uses a $2,425 personal exemption credit
Estimated tax required if you expect to owe $500+ in state tax
Illinois follows federal quarterly payment deadlines
Last reviewed: April 2026 — verify current rates at tax.illinois.gov

Illinois Estimated Tax Facts

Calculate Your Illinois Quarterly Payment

Illinois Specific Tax Notes

Get Your Illinois Tax Kit — $1