Do they still have the senior hour?

Yes

I think they do, but should inquire with the information for the hour.

I believe Tuesdays and Thursdays from 9am -10am is senior hour. Call a day before and verify. It constantly changes.

Although most grocery establishments ended their senior hours a few months ago, i think Costco kept them but reduced it from 5 times a week to twice a week. Of course there are some costco stores that doesn't have this. Better to check the Costco location you go to have those special days and hours for seniors and immunocompromised people.

They stopped senior hour a couple of months ago.