On Tuesday Oct. 17, the US reached a milestone: Its population grew to 300 million.
Today, the US population has a median age of 36.2 and a life expectancy of 77.8, according to the US Census Bureau. Well over half (59%) of women are in the workforce and 85.2% of people ages 25 and older have at least a high school diploma.
To commemorate this milestone, eMarketer reviews its estimates of the current demographic makeup of the US Internet population.

























