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The numbers in these stories come from the first release of California data from the 2000 census. The release, which will be used to redraw legislative district lines, covers population down to the block level, voting-age population and information on race and Latino origin. Later this year and into 2002, the Census Bureau will release additional information analyzing population by age, gender, and economic and social statistics.

The census, for the first time, allowed people to report themselves as members of more than one racial or ethnic group. Because of that, The Times reports figures for population groups as ranges--the low number being those who said they were members solely of the group in question, the high number being all those who said they were at least partly members of the group.

As in the past, the Census Bureau says some people were missed, and others were counted twice. The bureau estimates a net undercount of 1.6% nationwide.