Koen is a distinctive boys' name in United States, ranking #1126 in 2007 with 160 recorded births. The name reached its all-time peak in 2023 with 468 births ranking #604. Since 1996, the popularity has increased by 3,100.0%. In 2007, approximately 1 in every 12,970 boys born was named Koen. STABLE Recent data shows the name is currently stable.