The borough of Manhattan is home to 43 Engine Companies, 32 Truck Companies, 1 Squad Company and 1 Rescue Company quartered in 49 Firehouses. They protect a population of approximately 1.5 million residents over an area of 23 square miles. In 2017, Manhattan companies responded to 159,432 calls, of which 384 were All-Hands or greater. The busiest company in 2017 was Engine Co. 1 with 6279 runs.