Other states siphon growth California's population increase slows, despite immigration, births.By Clea Benson - Bee Capitol Bureau Published 12:00 am PST Thursday, December 21, 2006 California continues to lose residents to other states, one factor driving a slowing population growth rate, the state Department of Finance reported Wednesday. Overall, the state gained a net 462,000 residents in the fiscal year that ended June 30, bringing the total population to 37.4 million. California lost a net of about 67,000 people to other states, the report said, but gained about 213,000 foreign immigrants. Those people, combined with hundreds of thousands of babies...