The growth of a nation

The United States has changed immensely since 1900. The population has grown by more than 200 million people, the cost of a gallon of milk has gone from 36 cents to $3 and life expectancy has jumped by 23 years to an average of 77.8 years, according to 2010 census data. Scroll through this census data interactive for a glance at the nation’s explosive growth the past 100 years.