Oklahoma has a graduated state individual income tax with three brackets and rates ranging from 0.50 percent to 4.50 percent. Oklahoma has a flat 4.00 percent corporate income tax rate, a 4.50 percent state sales tax rate, and an average combined state and local sales tax rate of 8.99 percent. Oklahoma has a 0.79 percent effective property tax rate on owner-occupied housing value. Oklahoma does not have an estate tax or inheritance tax. Oklahoma’s gas tax is 20 cents per gallon, and its cigarette excise tax is $2.03 per pack of 20 cigarettes.
Oklahoma raises tax revenue primarily through general sales taxes (31.3 percent of total state and local tax revenue), other taxes (24.2 percent), and individual income taxes (20.4 percent). Oklahoma collects $5,312 in state and local tax collections per capita, carries $5,340 in state and local debt per capita, and has a 90 percent funded ratio of public pension plans. Oklahoma’s tax system ranks 15th overall on the 2027 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Oklahoma is no exception. Use the tabs below to compare Oklahoma taxes with other states and to see how Oklahoma raises tax revenue. You can also browse our tax maps, which are compiled from our annual publication, Facts & Figures 2026: How Does Your State Compare?
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The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
122 min read
Facts & Figures serves as a one-stop state tax data resource that compares all 50 states on over 40 measures of tax rates, collections, burdens, and more.
2 min read
Individual income taxes are a major source of state government revenue, accounting for more than a third of state tax collections. How do income taxes compare in your state?
9 min read
Retail sales taxes are an essential part of most states’ revenue toolkits, responsible for nearly a quarter of combined state and local tax collections.
18 min read
Forty-four states levy a corporate income tax, with top rates ranging from a 2 percent flat rate in North Carolina to an 11.5 percent top marginal rate in New Jersey. Four states—Georgia, Nebraska, North Carolina, and Pennsylvania—reduced their corporate income tax rates effective January 1, 2026.
5 min read
Property taxes are the primary tool for financing local governments. While no taxpayers in high-tax jurisdictions will be celebrating their yearly payments, property taxes are largely rooted in the benefit principle of taxation: the people paying the property tax bills are most often the ones benefiting from the services.
9 min read
Tobacco is the most highly taxed consumer product in the United States. The tools on this page allow you to explore state tax rates and the effects tax policy and tobacco regulations can have on state revenues, smuggling, and effective tax rates for different income groups.
2 min read
In the spirit of change and improvement, it’s worth looking back to see which states have truly embraced tax competitiveness since 2020, and which ones have lagged behind.
6 min read
The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
122 min read
The past four years have brought significant focus on state income tax reform and relief, and with that, something of a flat tax revolution.
11 min read
Backfilling forgone local property tax revenue through new state taxes is difficult because it dramatically shifts overall tax burdens, undermines local accountability, and cannot easily adjust for changing population mixes.
20 min read
Wireless consumers continue to be burdened with high taxes, fees, and government surcharges in many states and localities throughout the country.
11 min read
Legal sports betting has grown rapidly since the Supreme Court granted states the ability to establish online sports betting markets in Murphy vs. NCAA in 2018.
6 min read
Growing cigarette tax levels and differentials have made cigarette smuggling both a national problem and a lucrative criminal enterprise.
6 min read
For Congress, work on the One Big Beautiful Bill Act is done. But in state capitols, the work has not yet begun. Many of the tax changes in the federal reconciliation act flow through to state tax codes—automatically in some states, and subject to an update in states’ Internal Revenue Code conformity date in others.
39 min read
However states choose to respond to other tax provisions of the One Big Beautiful Bill Act, they should conform to the pro-growth provisions, which represent a marked improvement in the corporate tax code.
12 min read
