Illinois LLC Tax Calculator
Illinois has a flat 4.95% state income tax, and charges a $75 annual LLC fee. Enter your expected Illinois LLC net profit to see your full 2026 tax and fee breakdown.
Take-home rate (after LLC fees) 76%
Take-home $56,777 Tax $18,223
Federal SE tax
Self-employment tax (15.3%) $10,597
Federal income tax $4,898
Illinois
Illinois income tax $2,653
LLC annual fee $75
Total cost of doing business
Total tax + LLC fees $18,223
Effective rate (tax only) 24.2%
Take-home after tax and LLC fees $56,777
Annual report due before your formation anniversary month.