Missouri: what the state takes
Missouri charges its own income tax on top of federal tax. Here is the rate, the return, the date and where the official rules live.
Agency page last read 11 September 2026.
State rate
4.7%
Top rate 4.70% treated as flat, after the federal standard deduction
Resident return
Form MO-1040
Missouri Department of Revenue
Due
15 April, following the federal deadline
Weekends and holidays can push it on
Kansas City and St Louis charge their own earnings tax.
Try a figure
Yearly income
How you file
Missouri tax
$2,820
Top state rate you touch
4.7%
- Kept before federal tax$58,328
- Federal income tax$13,852
- Missouri tax$2,820
Flat rate of 4.7% on $60,000 after a $15,000 deduction.
Filing in Missouri
- Who collects it
- Missouri Department of Revenue
- Return
- Form MO-1040
- Deadline
- Usually 15 April, following the federal deadline
Federal comes on top
Whatever your state does, the IRS wants Form 1040 by 15 April, plus Social Security and Medicare through your wages or self employment tax. State tax paid can sometimes be deducted federally if you itemise, within a yearly cap.