Annual increase: 5.9%
Average monthly rent: $1,959
Vacancy rate: 4.0% (4.8% in 2009)
Average concession: -1%
With a growing population and significant presence in the technology, environment, health, education, and agriculture industries, the San Francisco market will continue to see strong demand in the years to come, Ria Bitong, director of investment analysis for Apartment Realty Advisors Pacific, wrote on multifamilyexecutive.com. The average annual unemployment in the San Francisco area last year was up to nearly 9.3 percent, according to calculations using BLS preliminary data, from 8.7 percent in 2009.