At Church on Sunday? No, that has collapsed.
At other social civic meetings... um, no not there.
Social gathering and civic interaction in the US has become highly commercialized and put into non-public places such as social media.
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.
Hospitality in general is struggling here. Pubs disappearing too.
Basically, find anything which interests you that places you in a context where you bump into the same group of people regularly. From that, connections with develop.
For many, the biggest challenge isn't finding a place to be but actually getting themselves out there in the first place.