It's not Seattle, Tacoma or Pullman. It's not Vancouver, Everett or Olympia...

It's Vashon Island! And it's the "Most Liberal" community by a long shot beating No. 1 by a full point (on a scale of 1-10). Seattle only got a 5 on the scale, making it more right-wing than such places as Queens, NY.

So what was their criteria?

Political donations.

In the 2015-2016 election cycle Bernie Sanders is considered the most liberal candidate, and the number of people (percentage) donating to Bernie far outweighs everywhere else. This is according to a political junkie website.

So now you know.