Passage: Since the district has a drum tower (gulou) that was constructed during the Tang Dynasty, it is alternatively called "Haishu Lou". The district's total area is 29 square kilometers, and its population is 280,000 people. The district's postal code is 315000.  The district people's government is located at 229 Lingqiao Road.

Question: What is the population of the district?
280,000