Bronx County

About Bronx County

The Bronx is the northernmost of the five boroughs of New York City, coextensive with Bronx County, in the U.S. state of New York. The borough shares a land border with Westchester County, New York to its north; to its south and west, the New York City borough of Manhattan lies across the Harlem River; and to its south and east is the borough of Queens, across the East River. The Bronx, the only New York City borough located primarily on the U.S. mainland, has a land area of 42 square miles (109 km2) and a population of 1,472,654 at the 2020 census. It has the fourth-largest area, fourth-highest population, and third-highest population density of the boroughs.