According to a Pew Research Center survey conducted June 4-10, 2020.
Overall, 65% of U.S. adults say that they have personally worn a mask in stores or other businesses all or most of the time in the past month, while 15% say they did this some of the time. Relatively small shares of adults say they hardly ever (9%) or never (7%) wore a mask in the past month, and 4% say they have not gone to these types of places.
We Wear Masks 