Wisconsin's % positive rate has been holding between 2-4% for some time now. I don't know how we've gotten lucky so far, what with the April primary fiasco and then the doors being thrown open by the Supreme Court in mid-May. Our mask-wearing compliance seems to be no better or worse (in other words, not great) than other parts of the region.
Thankfully my workplace has now mandated masks, although not everyone fully complies at all times (I see some people where theirs spends half the day down around their chin) at least they are when we have to be in close proximity for extended periods of time.