While the country's Latino population grew by an estimated 5.7 million between 2000 and 2004, the number of eligible Latino voters increased during the same years by only 2.1 million. By contrast, the increase of 3.4 million in the white population during that time was paired with a 4 million jump in the number of eligible white voters.
He may be counting the same people twice because nearly half of all Hispanics call themselves "White".