Topanga is a distinctive girls' name in United States, ranking #7117 in 2005 with 17 recorded births. The name reached its all-time peak in 1998 with 48 births ranking #2796. Since 1996, the popularity has increased by 54.5%. In 2005, approximately 1 in every 108,688 girls born was named Topanga. FALLING Recent data shows the name is currently falling.