Arlen is a distinctive boys' name in United States, ranking #2945 in 1999 with 28 recorded births. This places Arlen in the top 25% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 107 births ranking #1587. Since 1996, the popularity has decreased by 22.2%. In 1999, approximately 1 in every 68,575 boys born was named Arlen. STABLE Recent data shows the name is currently stable.