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10. Kansas City, Missouri

Rental vacancy rate: 11%
Homeowner vacancy rate: 3.7%

Although the Kansas City, Mo., metropolitan area has seen rental vacancy rates drop significantly — from 17.2 percent in the second quarter of 2010 — homeowner vacancies have gone up by nearly 30 percent over the same time. Interestingly, homeowner vacancies were higher in Kansas City prior to the housing crisis, hitting 4.5 percent in the second quarter of 2007.

Photo: D. Falconer | PhotoLink | Getty Images