Pia is a distinctive girls' name in United States, ranking #5301 in 1998 with 20 recorded births. The name reached its all-time peak in 2024 with 158 births ranking #1411. Since 1996, the popularity has increased by 11.1%. In 1998, approximately 1 in every 88,344 girls born was named Pia. STABLE Recent data shows the name is currently stable.