Topanga is a distinctive girls' name in United States, ranking #5273 in 2016 with 26 recorded births. The name reached its all-time peak in 1998 with 48 births ranking #2796. Since 1996, the popularity has increased by 136.4%. In 2016, approximately 1 in every 68,134 girls born was named Topanga. FALLING Recent data shows the name is currently falling.