I think you will find it is different depending on the location. Our coastal towns tend to have a much wider class separation as there are large vacation homes for wealthy people and then more traditional homes of the locals. In smaller, more inland towns, I think the lines are a bit more blended. I live in a small town (under 1000 people) and the vast majority of the people live in trailers or smaller homes. There are of course larger homes too, but its quite common in Maine to see a beautiful large home and then a broken down trailer as a neighbor.

I think in most smaller Maine towns, you will have a mix of working class, poor, older retired individuals, and younger families. Most people here do not tend to flash their wealth, if they have any--there is simply no reason to as nobody really cares. So the neighbor has a new loaded Ford F150, good for them, I wouldn't want that payment. That's about all you'll get from someone and they move on with their lives.