It is doable in our midwestwestern town. There wouldn't be much left at the end of the day. They would be looking at renting a dive and riding the bus. They would be much better off having a room mate, especially if they need a car.
Money left?
For that vacation? lol...
Try raising a family on 23k per year, regardless of where ya live.
After heating oil, rent, gasoline, insurance, food prices, utilities and everything else,...at $11 an hour or so, you'll be -300 per month.
Even mid-aged, middle class private sector folk are having issues just filling their stinking gas tanks.
Young people in today's America are screwed, hence all these articles depicting young adults living at home with the folks, or on the verge of doing so.