The U.S. Census Bureau announced today that the population of the United States reached 300 million! Want to know more? Check out their Facts for Features page, which shows the difference between today and 1915and 1967 when the 100 and 200 million marks were met. If you want to watch the population grown by 1 person every 7 seconds, check out the Census's population clock.
Want more demographic information? Check out the library's subject guide on Demographics and Statistics.