Look at the graph below, which shows the population of the United States from 1790 to 1910. A graph titled U S Population Growth (in millions) shows years labeled 1790 to 1910 on the horizontal axis and population in millions on the vertical axis. A line increases from 0 in 1790 to 100 in 1910. During the Gilded Age the US population rose from 15 million in 1830 to nearly 30 million in 1850. from 15 million in 1830 to nearly 40 million in 1870. from nearly 40 million in 1870 to nearly 80 million in 1900. from nearly 40 million in 1870 to nearly 120 million in 1930.