Madison WI! I live abut 20 miles from downtown and have 1 acre surrounded by dairy farms and only a handful of neighbors. I can get into the city every day for work, and be out in the open country the rest of the time. There are plenty of small towns (anywhere from 1-5000 people)surrounding Madison without the urban sprawl, there seem to be very distinct boarders between city and country.
Everyone here is very nice, in fact, my friend came to visit from Milwaukee and couldn't understand why everyone smiled and said hi to him! There's low crime, high education level, lots of jobs due to the state capitol and university. There's a pretty big hippie population, so there are a lot of co-ops, organic food in regular grocery stores and restaurants. There are a lot of people from other countries due to the university, so you can find tons of ethnic restaurants and grocery stores.
Lots of agriculture, farmers markets, sweet corn stands, pumpkin patches, apple orchards, hiking trails, biking trails, dog parks, AND! If you live in the city of Madison you can have chickens!!!!!