Go to meetup.com. , and see what casual, local groups you might be interested in .

I'd suggest , start with your interests . Find organizations / social clubs built around your own interests . There you'll find people who are interested in the same things that interest you . A Are you interested in art - take art classes . Maybe at a local craft store , or at a local community college . Interested in airplanes , join the Civil Air patrol . B Are you interested in books , go to your local library and see what kinds of activities they have available . Join book clubs . C & D Interested in cats and/or dogs - volunteer your services at a local animal shelter . E Emergency training volunteer to become an EMT and take the training . F Volunteer fireman /woman . Etc.