I'm not sure if there is a better place in Boulder City to get donuts but Winchell's always has tasty donuts.
This location is conveniently located no matter if you coming/going or just passing through. Although Yelp has the location as 1629 and on the building it says 1620.
I don't know the gentleman's name but its the same guy I usually see amd he is great. Very friendly and always in a great mood. This is one of the main reasons I am a repeat customer to this location.