census data

(Newser) - The US Hispanic population is booming, driven more by a high birth rate among those already in the country than immigration, the Census Bureau says. Since 2000, Latinos have jumped from 12.6% to more than 15% of the total population—swelling their numbers to 45.5 million from 35....

(Newser) - Americans slept more in 2005 than in 2000, according to a new study that counters claims of widespread sleep-deprivation. Yanks averaged 59 weekly hours of sleep in 2005, up from 56 hours in 2000, say University of Maryland researchers using Census data that account for every minute of the day....