Bong is a county in the north-central portion of the West African nation of Liberia. One of 15 counties that comprise the first-level of administrative division in the nation, it has twelve districts. Gbarnga serves as the capital. The area of the county measures 8,772 square kilometres (3,387 sq mi).[2] As of the 2022 Census, it had a population of 467,502, making it the third-most populous county in Liberia.[3][2] The county was organized in 1964 and is important for its mining industry.

Named after Mount Bong in the southern portion of the county, it is bordered by Lofa and Gbarpolu counties to the north, Margibi and Montserrado counties to the west, Grand Bassa County to the south, and Nimba County to the east. The northeast part of Bong borders the nation of Guinea. In 2008, the County Superintendent was Ranney Jackson.[4] Bong County’s flag is purple, signifying the dawn, and orange, signifying the County’s newness.[5] The two geological instruments in the white field portion of the flag symbolize Bong County’s mining industry. It’s in the center of Liberia.