Proposition 136, which would cap Colorado’s income tax rate at 4.4%, is too close to call

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The Colorado State Capitol dome rises above a Denver city street, with the Civic Center Station bus terminal visible in the foreground.
The measure, brought by conservative activists, asked voters to establish a maximum income tax rate of 4.4%, which would hinder a separate liberal effort to raise taxes on higher earners
Election 2026, News, Politics and Government, Election Day 2026, graduated income tax, Proposition 136, TABOR, taxes