Map: When every state adopted its income tax

June 11, 2014

When each state adopted its income tax. (Tax Foundation)

In mid-August, Hawaii will celebrate the end of its 55th year as a state, but its income tax is more than twice as old.

Adopted in 1901, Hawaii’s income tax predates the modern federal tax by a dozen years, a distinction shared only with two other states, Wisconsin and Mississippi, according to the map above posted by the Tax Foundation on Tuesday.

The map shows that the adoption of income taxes was largely a trend of the early 1900′s. The century started off with no state income taxes, but by 1940 more than 30 states had implemented one. Over the next 20 years, just one state would join that list before another wave of states adopted them in the 1960s and 1970s.

Alaska is the only state to adopt and later repeal its income tax, while six states — Florida, Nevada, South Dakota, Texas, Washington and Wyoming — never imposed a tax on income.

Niraj Chokshi reports for GovBeat, The Post's state and local policy blog.
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