Dia is a distinctive girls' name in United States, ranking #3326 in 2022 with 48 recorded births. The name reached its all-time peak in 2015 with 62 births ranking #2819. Since 1996, the popularity has increased by 152.6%. In 2022, approximately 1 in every 34,141 girls born was named Dia. FALLING Recent data shows the name is currently falling.