Graphs below provide the latest figure about the demographics of the US, including ethnical groups and the population, based on a census that was carried out and administered by US Census Bureau in 2006.

The table and bar chart provide an overview of statistics on US demographics, including ethnic groups and population. Overall, In 2006, the population of the United States reached 300 million, which was 100 million higher than 40 years before. Hispanics, Asians, and Pacific Islanders expanded significantly quicker than other races. According to the census, white Americans made up two-thirds of the population in the United States at the time. After that, in 1966, followed the number of black Americans, which dropped to third position with 38. 7 million people in 2006. Third and fourth place in 1996 were taken by Hispanic Americans and Asians and Pacific Islanders, respectively. However, the growth rates of these two races both increased rapidly. In 1966, the number of Hispanic Americans increased by more than fivefold, while the number of Asians increased by tenfold, to 14. 3 million. The remaining 1. 3 million belonged to other ethnic groups. Turning to the next graph, the population of the United States expanded at varied rates over the first half of the twentieth century, ranging from 7. 5 million to 20 million each decade. There was a huge surge in the 1950s, with at least 20 million people added to the total population every ten years, peaking at about 35 million in the 1990s.