This document provides demographic information about Chinatown in Manhattan. It includes the following key points: - 67% of people in the area speak Chinese, 30.5% speak English, and 2.5% speak another language. - Census tract 27 is located in Manhattan Community District 3 near the center of Chinatown. This area has been influenced by both the neighboring Chinatown and Lower East Side communities. - The document then provides a brief history of Chinese immigration to Lower Manhattan from the 1700s to the 2000s, noting population sizes and key events.