Elmont is an unincorporated hamlet and census-designated place (CDP) located in northwestern Hempstead in Nassau County, New York, United States, along its border with the borough of Queens in New York City. The population was 35,265 as of the 2020 census.

New York State Route 24 (NY 24) is a 30.84-mile-long (49.63 km) east–west state highway on Long Island in the U.S. state of New York. The highway is split into two segments, with the longer and westernmost of the two extending 18.68 miles (30.06 km) from an interchange with Interstate 295 and NY 25 in the Queens Village section of the New York City borough of Queens to an intersection with NY 110 in East Farmingdale in the Suffolk County town of Babylon. The shorter eastern section, located in eastern Suffolk County, extends 12.16 miles (19.57 km) from an interchange with I-495 in Calverton to an intersection with County Route 80 (CR 80) in Hampton Bays.