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Missouri State Tax Information

Looking for Missouri state tax information? We provide the latest resources on state tax, unemployment, income tax and more.


Missouri Department of Revenue

Missouri Department of Labor


Withholding Requirements:

  • Register as an employer by clicking here.
  • Employee's Withholding Allowance Certificate - Form MO W-4
  • Withholding Method = formula
  • Supplemental Rate = Withhold at 5.4% or add to regular wages for current or preceding payroll period and withhold on total.

Local Taxes:

For a list of city taxes please click here

State Unemployment Insurance (SUI):

Reserve ratio formula

Wage Base $12,000 for 2019 
Rates range from 0.00% to 6% for 2019
New employers use 2.7% 2019
New construction employers use 2.7% fpr 2019
New mining employers use 2.7% for 2019  
Non-profit contribution rate is 1.0% for 2019

State Disability Insurance (SDI):


State Labor Laws:

Minimum wage - $8.60 effective 1/1/10
Termination Pay - Fired - at once.

New Hire Reporting:

Employers must report hiring, rehiring, and return
to work within 20 days on Form MO W-4 (or equivalent) to:
Department of Revenue
Child Support Services
PO Box 3340
Jefferson City, MO 65105-3340

Remit Withholding for Child Support to:

Division of Child Support Enforcement
Department of Social Services
227 Metro Drive
PO Box 1527
Jefferson City, MO 65102-1527

Reciprocal States



For paycheck calculation visit the Missouri Paycheck Calculator of PaycheckCity. is a free online resource featuring a compilation of research, collaboration and web tools for use by payroll professionals and more including information about Missouri state tax, articles, federal tax information and state tax information.

TAX TIDBIT... To correctly calculate withholding near wage base limits, enter your Gross Salary Year-to-date. It's important for an accurate calculation and is usually found on your last pay stub.