Oregon has a state income tax, and it applies to most residents and workers

Oregon taxes income at the state level. If you live in Oregon or earn money there, you will owe state income tax on wages, self-employment income, interest, dividends, and other sources. Oregon does not have a sales tax, but the income tax is how the state funds schools, services, and infrastructure.

The tax rate depends on your income level. Oregon uses a progressive tax system, meaning higher earners pay a higher percentage. Tax brackets change each year, and the state adjusts them for inflation. You will need to file a state return even if you do not owe federal tax, depending on your income and filing status.

Key Takeaways

  • Oregon taxes state income on wages, self-employment, interest, and dividends, but does not tax sales.
  • Tax rates are progressive and tied to income brackets that adjust yearly for inflation.
  • You must file an Oregon return if your income exceeds the threshold for your filing status, even if you owe no federal tax.
  • Residents and nonresidents who earn Oregon income both owe state tax on that income.
  • Deductions and credits available on your federal return may also lower your Oregon tax bill.

Oregon income tax brackets and rates for the current year

Oregon's tax brackets are indexed to inflation and reset each year on January 1. The brackets apply to federal taxable income after you subtract the standard deduction or itemize. As of 2024, Oregon has five tax brackets ranging from 4.75% to 9.9%, but you should confirm the current brackets with the Oregon Department of Revenue because they shift annually.

Your filing status — single, married filing jointly, married filing separately, or head of household — determines which bracket applies to your income. A married couple filing jointly reaches higher brackets at higher income levels than a single filer, so the same dollar amount is taxed differently depending on how you file.

Oregon also allows a dependent exemption credit and a personal exemption credit. These reduce your tax liability directly rather than reducing your taxable income. The amounts change yearly, so check the Oregon Department of Revenue website or your tax forms for the current year's amounts.

Who must file an Oregon state tax return

You must file if your income exceeds the threshold for your filing status. The threshold is based on the standard deduction plus the personal exemption amount, both of which change each year. A single person with income below the threshold may not be required to file, but filing can be worth it if you had taxes withheld — you may receive a refund.

Nonresidents who earned income in Oregon must also file, even if they live in another state. This includes people who worked in Oregon for part of the year or received Oregon-source income like rental payments or business profits. You report only the Oregon-source income on your Oregon return.

If you are claimed as a dependent on someone else's return, different rules apply. A dependent with unearned income (interest, dividends, capital gains) may have to file even with low total income. Check the Oregon Department of Revenue's filing requirements for your specific situation.

Deductions and credits that lower Oregon income tax

Oregon allows a standard deduction that reduces your taxable income before tax is calculated. The standard deduction amount depends on your age and filing status and increases each year. You can use the standard deduction or itemize deductions if itemizing results in a larger deduction.

Oregon also offers tax credits that directly reduce the tax you owe. The Working Family Household and Dependent Care Credit, the Oregon Earned Income Credit, and the Dependent Exemption Credit are examples. Some credits are refundable, meaning you can receive money back even if you owe no tax. Others are nonrefundable and can only reduce your tax to zero.

Retirement income, including Social Security and certain pension income, may be partially or fully exempt from Oregon tax under specific conditions. If you are over 62 or receiving a federal pension, you may may have access to for an exemption. The Oregon Department of Revenue publishes detailed rules about which retirement income qualifies.

How Oregon taxes self-employment and business income

If you are self-employed, you owe Oregon income tax on your net business income. You calculate net income by subtracting business expenses from gross revenue. Oregon allows the same business deductions the federal government does — rent, supplies, equipment depreciation, home office expenses, and others.

Self-employed people also owe self-employment tax to fund Social Security and Medicare, which is a federal obligation separate from state income tax. Oregon does not add a separate self-employment tax on top of the federal amount, but your state income tax is calculated on your net self-employment income after you subtract the self-employment tax deduction.

If you operate as an S-corporation or LLC, Oregon taxes the income that passes through to you on your personal return. You do not pay corporate tax twice. Sole proprietors report business income on Schedule C, and partners or S-corp shareholders report their share of income on their personal returns.

Nonresidents and part-year residents: what Oregon taxes

A nonresident who earned income in Oregon owes tax only on that Oregon-source income. If you worked in Oregon for three months and then moved to Washington, you file an Oregon return reporting only the income earned during those three months in Oregon. You do not report income earned in Washington or other states on your Oregon return.

A part-year resident — someone who moved to or from Oregon during the year — must report all income earned while a resident and only Oregon-source income earned while a nonresident. You will need to determine your residency status as of each day of the year to know which income to report on which return.

Oregon considers you a resident if you maintain a permanent home in the state and spend more than 200 days there during the year, or if you are domiciled there. Domicile is your true, fixed home — the place you intend to return to. If you have questions about your residency status, the Oregon Department of Revenue can provide guidance.

Filing your Oregon return and where to send it

You file your Oregon return using Form OR-40 (individual income tax return) or Form OR-40-N (nonresident return). The form is available on the Oregon Department of Revenue website. You can file by mail, electronically through approved tax software, or through the department's online filing system if you meet income requirements.

The deadline to file is the same as the federal deadline, usually April 15. If you file your federal return late, your Oregon return is also due on the same extended date. If you owe tax, you must pay by the original deadline (April 15) to avoid penalties and interest, even if you file late.

Mail paper returns to the Oregon Department of Revenue at the address listed on the form. Electronic filing is faster and reduces errors. If you use a tax preparer, they can file electronically on your behalf. Keep a copy of your return and all supporting documents for at least three years.

Frequently Asked Questions

Does Oregon tax Social Security income?

Oregon does not tax Social Security benefits. However, if you have other income that pushes your total above certain thresholds, a portion of your Social Security may become taxable under federal rules. You report this on your federal return, not your Oregon return. Oregon itself does not tax Social Security.

What if I moved to Oregon mid-year?

You are a part-year resident. Report all income earned while you lived in Oregon on your Oregon return, and report income earned before you moved on your previous state's return (or federal return if you were not a resident of any state). You will file both an Oregon return and a return for your former state for that year.

Do I owe Oregon tax if I work remotely for an out-of-state company?

If you live in Oregon and work remotely, you owe Oregon income tax on your wages. Your employer's location does not matter — Oregon taxes income earned by residents, regardless of where the employer is based. Your employer may not withhold Oregon tax, so you may owe when you file.

Can I deduct federal income tax paid from my Oregon return?

No. Oregon does not allow a deduction for federal income tax paid. You calculate Oregon taxable income starting from federal taxable income, then make Oregon-specific adjustments. Federal tax paid is not one of those adjustments.

What happens if I do not file an Oregon return when I owe tax?

The Oregon Department of Revenue can assess penalties and interest on unpaid tax. Penalties start at 5% of the unpaid tax and increase if the return remains unfiled. Interest accrues monthly. If you owe, filing late is better than not filing — you will still owe, but the penalty is smaller than if the department has to pursue collection.