Rents Expected To Rise By As Much As 6 Percent LOS ANGELES -- Rents for apartments in the Southland are expected to rise from 3.5 percent to nearly 6 percent this year, according to a forecast released Tuesday by USC's Lusk Center for Real Estate. "The new supply of apartments has not kept up with demand from newcomers attracted to jobs in our diverse economy and the Southern California lifestyle," said Delores Conway, director of the Casden Real Estate Economics Forecast. "Apartment occupancies are at all-time highs in Los Angeles, Orange, Riverside and San Bernardino Counties because of a steady stream of young professionals and Latin and Asian immigrants who cannot afford the average home, along with relocated executives who choose not to get locked into a mortgage." The average rental