I know the whole stereotype of suburban isolation is popular, but I have never found it to be true. I have lived in cities, small towns, and in suburbia. I found suburban folk knew their neighbors the most. In the city, people ignore each other. In small towns, you know everyone, but almost too much so. But in the suburbs, we knew everyone within about 5 homes, and the kids would go out and play together, we'd have dinners together, see each other at the parks... it was a community. It was the stereotype of talking across the fence to your neighbor as you both did yard work.

I'm not defending suburbia... I don't like it in general, and now have a small homestead in a small town, but my dislike of suburbia does NOT stem from social isolation.