I live in a suburb and have no clue how anyone builds community, but I'm trying to learn. For half a year, I had a monthly part that included movie nights, dinners, and trivia, one of which was French Salon-themed. We all dressed in 19th-century garb, spoke about philosophy, and played the game Dirty Laundry (Thx Dropout). I shut off all the lights in my house and only used candles for the evening. I spent fifteen hours straight cooking and custom menus. Similar night themes included: Tumblr Party, Coming of Age Film, Lesbian Movie Night, Scooby Doo, Summer's End, etc. Overall, good community-building effort, will do it again.
Side Note: Despite its career effects on graphic designers, no one has a stranglehold on me more than Canva when making party invitations.