San Jose, CA, Los Angeles and San Diego have the highest shares of renter households, while Cape Coral, FL, Charleston, SC and Columbia, SC have the lowest. The number of renter households rose 2.7%, in the third quarter year over year, to a record 45.6 million. That’s according to a new report from Redfin (redfin.com), the technology-powered real estate brokerage. That rate of growth is three times faster than the 0.9% increase in homeowner households, which now total a record 86.9 million.