1, New York
As the first largest city in the United States, New York is located in the northeastern part of the United States along the Atlantic coast, and is also the world's second-largest city, with a land area of 789 square kilometers, a total of 8.51 million people living in the population, and about 20 million people are active here all year round. New York's level of commercial and financial development is also world world-class, with a GDP of $900.7 billion in 2017, making it not only the financial center of the United States, but also one of the world's financial centers.
2, Los Angeles
Los Angeles, known as the "City of Angels" is located in the southwestern part of California, is the second largest city in the United States, with a population of close to 4 million people, but also the first city of commerce and industry in the western part of the United States, where Disney, Hollywood, Universal Studios is located, and it is the world's most important center of commerce and industry, international trade, science and education, and the world's most important city. One of the centers of industry and commerce, international trade, science and education, entertainment and sports, with a GDP of 753.1 billion U.S. dollars in 2016, Los Angeles is also known as the City of Celebrities because many business celebrities gather in this city.
3, Chicago
Chicago is located in the Midwest of the United States, with a population of 2.7 million in 2015, is a cosmopolitan city with a population second only to New York and Los Angeles, and one of the world's most important centers of culture, science and education, the world's most famous schools, the University of Chicago and Northwestern University are located here, and it also gave birth to the world-renowned Chicago School. Chicago is the third largest city in the United States and the largest manufacturing center in the United States, with a GDP of $340.82 billion.
4, Houston
Houston is the fourth largest city in the United States, but also the United States of America, the first city of Texas, the number of people in 2016 was 2.3 million, it also has a wealth of is by the resources, known as the emerging petrochemical city. Houston is also the U.S. Aerospace Center, a veritable Space City, where the National Aeronautics and Space Administration is located.
5, Philadelphia
Philadelphia is the historic city of the United States, once the capital of the United States, is located in the northeastern foothills of the Appalachian Mountains in northeastern North America on the plateau, with a population of 1,550,000 people, is the United States fifth largest city. Philadelphia is an important U.S. railroad hub, railroads and ports are developing rapidly, and the manufacturing industry is also rising rapidly, GDP reached $420.768 billion in 2013 alone, becoming one of the major economic, transportation, and cultural centers in the United States.