As of 1998 the wider Chinatown area had about 4,000 residents. Many of them worked in clothing assembly companies, restaurants, and related suppliers located in the area. As of that year, most residents were Chinese American. As of the 1990 U.S. Census the median income of Chinatown was under $15,000. The median income of the 47,000 residents of Center City Philadelphia as a whole was $60,000. As of 2000, of the 4,000 residents of the wider area, about 70% have no English fluency.