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Oklahoma State Tax Information

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



Oklahoma Tax Commission

Employment Security Commission


Withholding Requirements:

  • Register as an employer by filing Form OES-1 or by clicking here
  • Employee's Withholding Allowance Certificate: Federal W-4
  • Withholding Method = formula
  • Supplemental Rate = If tax not withheld from regular wages, add to regular wages and withhold on total; if tax withheld from regular wages, withhold at 5%(2019) or add to regular wages, compute tax on total, and subtract tax withheld on regular wages.

Local Taxes:


State Unemployment Insurance (SUI):

Wage Base is $18,100 for 2019
Contribution Rates range from 0.1% to 5.5% for 2019 and 2018
New employers use 1.5% for 2019 and 2018

State Disability Insurance (SDI):


State Labor Laws:

Minimum Wage: The Federal minimum wage rate applies
Termination Pay: Fired/Quit - next regular payday.

New Hire Reporting:

Employers must report hiring, rehiring, and return to work within 20 days on Form W-4 (or equivalent) to:

Oklahoma New Hire Reporting Center
P.O. Box 52004
Oklahoma City, OK 73152-2004
Phone: 866-553-2368
Fax: 405-557-5350

To report online click here

Remit Withholding for Child Support to:

Oklahoma Child Support Centralized Registry
PO Box 268849
Oklahoma City, OK 73126-8849
Phone OKC: 405-522-2273
Tulsa: 918-295-3500


To report online click here

Reciprocal States:



For paycheck calculation visit the Oklahoma 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 Oklahoma 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.