Hillary Clinton Is Running for President

"Everyday Americans need a champion, and I want to be that champion. [...] So I'm hitting the road to earn your vote, because it's your time, and I hope you'll join me on this journey."

On Sunday, April 12, 2015 via her campaign website.
Sources: C-SpanWashington Post 

The Context: Hillary Clinton's campaign announcement video begins with first-person accounts from a range of Americans, describing their hopes and plans for 2015 and beyond. These include working-class individuals and couples from suburban, rural, and urban population centers. Clinton states that despite their strength in recovering from the recent economic struggles, the deck is still stacked against average people. She concludes by saying that her plan for the future is to help strengthen working-class families so that the economy can thrive once again.

"Everyday Americans" can be interpreted in several ways. We imagine that through the course of the campaign, we will consider many possible translations of that phrase. To lay a foundation for those interpretations, we are starting with the most fundamental description of "everyday Americans," and asked

Where are everyday Americans? And how many are there?