There are a lot of states in the United States that may recognize Columbus Day, but they do not actually consider it as a holiday. Some examples of states that do not celebrate Columbus Day are Iowa and Nevada, but they try to make it a point to commemorate the event. They just do not celebrate it as a holiday in those states.
Other states that do not celebrate Columbus Day at all but celebrate other celebrations instead are Hawaii, Alaska, Florida, South Dakota, New Mexico, Maine, and Vermont. The reason why this is not as widely celebrated as expected is some people believe that this is not worth celebrating. There are also some who feel that other celebrations have more value than this.
Nevada and Lowa don't celebrate Columbus Day, though the government officials proclaim the day every year, the states do not recognize it as an official holiday. Utah also does not celebrate Columbus Day; they do not recognize the date at all. Vermont, most parts of Washington, and Florida now celebrate their second Mondays of October, which was supposed to be the Columbus Day, like the Indigenous Peoples' Day.
Other states which do not celebrate the Columbus Day are Wyoming, Wisconsin, Texas, Tennessee, South Carolina, Oregon, Oklahoma, North Dakota, North Carolina, Nevada, Mississippi, Minnesota, Michigan, Louisiana, Kentucky, Kansas, Hawaii, Delaware, California, Arkansas, and Alaska. These lists seem much. Most, if not all, of these states, used to celebrate Columbus Day, but the Indigenous Peoples' Day seems to have dominated. Well, there are still quite a number of states that still observe Columbus Day, but I see them also shifting soon.