The New York City Police Department (NYPD) was founded in 1845 with 900 men on the force to protect the city’s 400,000 residents. Since its inception, the NYPD has grown to nearly 35,000 members strong, and continues to grow with each batch of Academy graduates. The officers are part of 76 precincts in the five boroughs. Here are the top ten secrets of the NYPD, ranging from the origins of its nickname “New York’s Finest,” to the color of the day system used for undercover police officers and the role of women in the history of the police department.

10.The NYPD is the Biggest Police Force in the Country

With approximately 34,500 members, the NYPD is the largest police force in the country. Per capita however, New York is behind Washington D.C., Baltimore, Chicago, and Philadelphia. New York City had an estimated population of 8,550,405 in July 2015, making there .004 cops per person. In April 2016, 634 rookie cops graduated from the NYPD Academy and over 1100 joined the department in December 2015. According to, the second largest police department in the United States is the Chicago Police Department, with about 12,500 officers on its force.