Koston is a distinctive boys' name in United States, ranking #7887 in 2014 with 10 recorded births. This places Koston in the bottom 44% 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 2014, approximately 1 in every 192,044 boys born was named Koston. FALLING Recent data shows the name is currently falling.