Task: Question Generation
Input (English): As of the census of 2000, there were 197,790 people, 84,549 households, and 43,627 families residing in the city. The population density was 3,292.6 people per square mile (1,271.3/km²). There were 92,282 housing units at an average density of 1,536.2 per square mile (593.1/km²). The racial makeup of the city was 38.3% White, 57.2% African American, 0.2% Native American, 1.3% Asian, 0.1% Pacific Islander, 1.5% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 2.6% of the population.
Output (English): As of 2000, how many people lived in Richmond per square kilometer?