Trading places: As the affluent go downtown, the working poor are tripling up to buy homes in the 'burbs.

By By William Fulton L.A. Times
July 29, 2007

What's going on here? For a century, people in Southern California moved to the suburbs as they got richer, leaving the more "urban" parts of town to poor people. Now that pattern has reversed itself.Affluent people are leaving the suburbs to live in the city, while the working poor -- people who have jobs but don't earn enough to exceed the poverty line -- are doubling and tripling up in the suburbs to buy houses.

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