I searched. Haven't been able to find out if it's legal to carry into a polling place, assuming that it is a place that isn't otherwise illegal to carry into. I don't see that as a building owned or leased by the government for doing business with the public, in fact I wouldn't think of voting as the "government doing business with the public" at all. Many polling places are in churches or in my case, an Elks lodge.
It's understood that carrying at a government building or a school is clearly off-limits.
It's understood that carrying at a government building or a school is clearly off-limits.