7. Arlington, VA
Arlington, VA
Population: 224,274
Single: 42.1%
Median family income: $119,427

Beer pong? They're so far beyond that in this buzzing city of budding movers and shakers. Home to the Pentagon and several other government agencies, Arlington is filled with policy wonks, analysts and researchers. Bar hop in the Clarendon-Court House neighborhood, where happy hour, pub quizzes and karaoke nights make playing the field fun and easy. Once you've identified a special someone, catch a show at one of the many live music venues, or suggest brunch at Carlyle on Campbell Ave. if you want to keep it casual. 

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Last updated August 17 2011: 1:25 PM ET
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These terrific small towns -- even now -- boast great job opportunities, top-notch schools, safe streets, economic strength, and more.