Check out your local recreation center. It's how I joined a local fencing club.
Check out meet ups in your area. It's how I join a language exchange group that meets weekly.
Check out your local library. They often have book clubs, kid and adult events, and more.
There are tons of options that people used before social media which still exist today. It's trivial to find them. The biggest problem is that many people don't want to move out from behind the screen.