Siheung ( ) is a city in Gyeonggi Province, South Korea. The city has a population of 481,430 residents with 199,896 households as of May 2020. Siheung acquired its current administrative identity on January 1, 1989, the former Siheung County was divided into the cities of Siheung, Gunpo, and Uiwang. At the time, Siheung had a population of only 93,000. This number more than tripled in the following decade as massive suburban apartment complexes were developed. Today's Siheung city area formerly belonged to Incheon and Ansan before 1914.