Besides the two other comments. As I am aware it should be pretty widely accepted in Alaska and maybe in some places in South and Latin America. Monero also struggles with adoption to the general public as all crypto's do.
BUT, the minute any government attempts to remove cash from the market. You will see fast adoption and a demand that you pay in Monero at your local pusher, food truck, hairdresser, carpenter etc.
Cash and CC is currently too convenient for the average Joe to run any risk in crypto. We are just waiting for their introduction of CBDC.
You can also find a little over 1500 webshops here.. https://cryptwerk.com/pay-with/xmr/