What is the most populous US state?
California is the most populous US state, with about 39 million people.
Reference: Texas State Library and Archives Commission
California is the most populous US state, with about 39 million people.
Texas is the second-largest US state by both area and population, behind Alaska in area and California in population.
In 1803 the US bought the Louisiana Territory from France for about $15 million. The deal roughly doubled the size of the country.