They almost certainly only had one or two outfits for going out. The ones strolling around might also be richer on average as the poorer would need to be workin

They almost certainly only had one or two outfits for going out. The ones strolling around might also be richer on average as the poorer would need to be working (either at a job or in the home). EDIT: I suppose the photographer might have preferred better dressed subjects, too.