Arlen is a distinctive girls' name in United States, ranking #5324 in 2019 with 24 recorded births. The name reached its all-time peak in 2007 with 31 births ranking #4696. Since 1996, the popularity has increased by 60.0%. In 2019, approximately 1 in every 69,899 girls born was named Arlen. STABLE Recent data shows the name is currently stable.