Beaverton
Nearest city: Portland
Population: 87,676
Median family income: $78,946
Runners-up: Corvallis, Eugene
Beaverton, seven miles west of Portland, has a park located within a half-mile of every resident, a 25-mile network of bike paths, nearby ski slopes, beaches, and shopping areas. The highly-regarded public and private schools send students to top-ranked universities.