Using 538's urbanization index from the linked article - which appears to have been calculated in 2019, as well as the preliminary results at time of writing according to Dave Leip's Election Atlas, we can investigate this. As in 2016, we find a fairly strong positive correlation between FiveThirtyEight's urbanization index and the two-party vote share in the state. The correlation coefficient ...
The 538 model says "Very large swings have occurred, if you look back to (for example) Truman v. Dewey. And sometimes something might happen that will completely change the course of the election (War was declared or a major scandal) and comes up with about 88% for Biden.
7 Mostly the (Decennial) Census Generally, the electoral formula is Electoral Votes = Representatives + Senators. Each state has two Senators, so that's 100 of the 538 total Electoral Votes. Washington DC gets three electors; while they technically have shadow congresspeople, those don't get to vote in the House or Senate.
The ABC 538 source provided in the answer does not seem to be available anymore. If one is interested in polling for the NYC mayoral race, where could one turn other than the wiki page for the election?
I just read this Wikipedia article. It says Trump won with a 304 to 227 for electoral votes. That's 304 + 227 = 531 votes. But the total number should be 538. Where did the 7 votes go?