As of the latest reporting I found, 17 states plus Washington, D.C. observe Indigenous Peoples Day. A recent report also noted that Montana began recognizing it in 2025, bringing the total to 17 states and D.C..

What that means

These places officially commemorate the day on the second Monday in October , though the exact legal status varies by state. Some treat it as a paid holiday, while others observe it without paid time off.

Examples

A few states specifically mentioned in recent coverage include Maine and Montana. News reports also note that the holiday has expanded over time as more states and localities move away from Columbus Day-only observance.

Quick note

If you want, I can next give you the full current state-by-state list in a clean table.