| Source | WTTW |
|---|---|
| Original Load Date | April 8, 2026, 3:01 p.m. |
| Last Updated | April 8, 2026, 3:01 p.m. |
| Original URL | https://news.wttw.com/2026/04/08/millionaire-s-tax-could-raise-billions-annual-revenue-illinois-study |
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A [ new study from the Illinois Economic Policy Institute ][20] explores how a
3% surtax on Illinois residents earning $1 million or more per year could impact
the state.
The study said that surtax (an additional tax above the current state income
tax) would generate up to $5 billion in annual stat...