It's DelCo, Delaware County, which is actually pretty nice, pretty upscale. Media, Wayne, Swarthmore, Chadds Ford...all near the Dupont/Brandywine Valley area. But yeah, to the east is more working class: Lansdowne, Upper Darby, Yeadon, Sharon Hill.
Okay, I grew up in the Philadelphia suburbs myself (Bucks) and I actually thought at very first that it was Western Pennsylvania, rust belt, lol. They apparently filmed in Coatesville PA and Mare's split level is in Wallingford PA. Very, very typical suburban Philadelphia house. The house Evan Peter's character lives in with his mom is classi