According to HousingWire.com, the real estate website Trulia.com found;
The top areas where owning is less expensive than renting included Minneapolis, Miami, Fresno, Calif. and two cities in Texas “” Arlington and San Antonio. Phoenix, Ariz. and Las Vegas also made the top-10 list of the buyer-friendly areas.
On the other hand, you’re probably better off renting right now in New York, Seattle, Portland, San Francisco, Omaha, Oklahoma City and Kansas City.
ADDED: On a related note, “Cost of Owning Surprises Some Buyers.”