To What Extent Does Your State Rely on Individual Income Taxes?

May 29, 2019

State and localities rely heavily on the individual income tax, which comprised 23.5 percent of total U.S. state and local tax collections in fiscal year 2016, the latest year of data available. The individual income tax lands just below the general sales tax (23.6 percent), both behind property taxes (31.5%) as the largest category of state and local revenue sources (See Facts & Figures Table 8).

Today’s map shows the percentage of each state’s state and local tax collections attributable to the individual income tax.

individual income tax reliance income tax reliance state income tax reliance 2019

Of all the states, Oregon and Maryland rely most heavily on individual income taxes, which account for 41.7 percent and 37.8 percent of their total state and local tax collections, respectively. Both are among the 17 states where localities also levy income taxes. Oregon has chosen not to collect sales taxes, a decision which contributes to that state’s heavy reliance on the individual income tax.

While the individual income tax tends to be a major revenue source for state and local governments, some states rely on it very little, and some not at all. Seven states (Alaska, Florida, Nevada, South Dakota, Texas, Washington, and Wyoming) do not collect individual income taxes, while two states (New Hampshire and Tennessee) collect taxes on dividend and interest income but not wage income. Tennessee’s tax on investment income–known as the “Hall tax”–is in the process of being phased out and will be fully repealed by 2021, which will leave the state with no individual income tax.

It comes as no surprise that Tennessee and New Hampshire, which levy no taxes on wage income, raise the least amount of revenue from the individual income tax, respectively 1.5 and 1.4 percent, from the individual income tax. In North Dakota and Louisiana, the next lowest states, the individual income tax generates 7.0 percent and 15.7 percent of their total tax collections, respectively.

As we’ve previously pointed out, a state’s combination of tax sources has implications for its revenue stability and economic growth. Income taxes tend to be more harmful to economic growth than consumption taxes and property taxes. Income taxes fall on labor and savings, while consumption taxes, such as sales taxes, tax what people spend instead of what they earn. As a result, income taxes tend to be less neutral than sales taxes.

Furthermore, income taxes tend to be a less stable source of tax revenue than sales taxes. Households tend to see more volatility with their income than with consumption through the business cycle. In particular, the investment component of income contributes to the volatility of the income tax as  a whole. As a result, the income tax tends to generate a less stable source of revenue than other forms of taxation.

Note: This is part of a map series in which we examine the primary sources of state and local tax collections.

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