The demographics of the United States reflect a diverse population of over 331 million people. The country is made up of various racial and ethnic groups, including White, Black or African American, Asian, and Hispanic or Latino. The population is also characterized by a mix of ages, with a significant portion being under 18 and a growing number of seniors aged 65 and older. In terms of geography, the U.S. is divided into 50 states, each with its own unique demographic profile. Major urban areas like New York City, Los Angeles, and Chicago are home to large populations, while rural areas tend to have lower densities. The country continues to experience changes in demographics due to immigration and shifting birth rates.