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Ohio State Tax Information

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

Ohio Department of Taxation

Department of Job and Family Services

Withholding Requirements:

  • Register as employer by filing Form UCO-1
  • Employee's Withholding Exemption Certificate: Form IT-4
  • Withholding Method = formula
  • Supplemental Rate = Withhold at 3.5%

Local Taxes

Ohio City Taxes can be found by clicking here

Ohio School District Taxes can be found by clicking here

State Unemployment Insurance (SUI):

Wage base is $9,000 for 2017 and $9,500 for 2018

Rates range from 0.30% to9.0% for 2018
New employers use 2.7% for 2018
New construction employers use 6.0% for 2018
click here to check rates

State Disability Insurance (SDI):

Industrial Commission
30 W. Spring St.
Columbus, OH 43215-2233

State Labor Laws:

Minimum Wage - $8.30 per hour for 1/1/2018.
Termination Pay - Quit - first of the month for wages earned in the first half of previous month. 15th of the month for wages earned in the last half of the previous month.

New Hire Reporting:

Employers must report hiring, rehiring, and return
to work within 20 days on Form W-4 (or equivalent) to:
Ohio New Hire Reporting Center
PO Box 15309
Columbus, OH 43215-0309
Phone: 888-872-1490
Fax line: 888-872-1611
To report online
click here

Remit Withholding for Child Support to:

PO Box 182394
Columbus, OH 43218-2394
Phone: 888-965-2676

To report online click here

Reciprocal States

Indiana, Kentucky, Michigan, Pennsylvania, West Virginia

For paycheck calculation visit the Ohio 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 Ohio 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.