PHL is 6th according to the latest census data in 2020.

1. New York City, NY (Population: 8,622,357)
2. Los Angeles, CA (Population: 4,085,014)
3. Chicago, IL (Population: 2,670,406)
4. Houston, TX (Population: 2,378,146)
5. Phoenix, AZ (Population: 1,743,469)
6. Philadelphia, PA (Population: 1,590,402)
7. San Antonio, TX (Population: 1,579,504)
8. San Diego, CA (Population: 1,469,490)
9. Dallas, TX (Population: 1,400,337)
10. San Jose, CA (Population: 1,036,242)