Koen is a distinctive boys' name in United States, ranking #1756 in 2003 with 69 recorded births. The name reached its all-time peak in 2023 with 468 births ranking #604. Since 1996, the popularity has increased by 1,280.0%. In 2003, approximately 1 in every 28,627 boys born was named Koen. STABLE Recent data shows the name is currently stable.