Federal holiday status
Yes: Columbus Day is one of the eleven legal public holidays named in 5 U.S.C. §6103(a), observed on the second Monday in October. That is why USPS closes Post Offices and why the Federal Reserve Banks treat the day as a holiday.
Federal status does not automatically close every bank lobby, school district, or store. For mail, banks, stocks, and bonds on the 2026 date, use Columbus Day what's open. Autumn retail survey context sits in holiday spending statistics.
2026 and 2027 dates
Columbus Day 2026 is Monday, October 12. Columbus Day 2027 is Monday, October 11. Both follow the second-Monday rule in the statute, not a fixed October 12 calendar date.