Harlen is a distinctive boys' name in United States, ranking #6204 in 1999 with 10 recorded births. The name reached its all-time peak in 2023 with 64 births ranking #2229. Since 1996, the popularity has increased by 25.0%. In 1999, approximately 1 in every 192,009 boys born was named Harlen. STABLE Recent data shows the name is currently stable.