Today’s Chart of the Day with data from the US Census Bureau compiled by Michael Arouet shows that 52% of the US population lives in seven “Mega Regions” which are made up of only 15% of the total land in the US. The largest is the Northeast region with 17% of the total US population, the smallest is the Northern California region with 4%. Florida is in the middle with 6% of the total US population totaling 20 million.