Koston is a distinctive boys' name in United States, ranking #6522 in 2017 with 13 recorded births. This places Koston in the top 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 25 births ranking #4060. In 2017, approximately 1 in every 142,332 boys born was named Koston. FALLING Recent data shows the name is currently falling.