2. 1900, Houston has a population of 45,000, ranking 85th in the United States. According to the American census in 20 14, the total urban population reached 2.2 million. The greater Houston metropolitan area is the fifth largest metropolitan area (9 counties) in the United States, with a population of 6,490 1 July 41day and180 people.
Houston is famous for its energy (especially oil), aviation industry and canals. Houston Port is the sixth largest port in the world and the busiest port in the United States, with the largest tonnage of foreign ships and the second regardless of nationality. The headquarters of Fortune 500 is second only to new york. Houston is home to the Texas Medical Center, the largest clinical research and treatment institution in the world. Houston also has the lowest living expenses and housing prices among the 27 major metropolitan areas in the United States with a population of over1700,000. Houston is called a "global city" by the Research Group and Network on Globalization and World Cities (GaWC).
4. The official nickname of Houston is "SpaceCity" because it is the seat of Johnson Aviation Center and the mission monitoring center is also located here (therefore, "Houston" is the first word said on the moon). Many locals like to call it "Niunuma City". Other nicknames are "H Town", "Paw City" or "Mongolia City".