The font you use matters.
If you have any doubt about that, just consider the case of Cleveland Cavaliers owner, Dan Gilbert.
When Lebron James announced he’d be leaving the team for Miami in 2010, Gilbert posted an online missive criticizing the player’s decision. His “manifesto” blew up on the Internet–not due to its content, but rather Gilbert’s use of Comic Sans, a font that looks a bit like a child’s handwriting.
The Venngage's Infographic help users all over the country, and offer a wide range of fonts for people to choose from. Using anonymized data from users, you see where in the US certain types of fonts are most commonly used.