Topanga is a distinctive girls' name in United States, ranking #4609 in 2002 with 27 recorded births. The name reached its all-time peak in 1998 with 48 births ranking #2796. Since 1996, the popularity has increased by 145.5%. In 2002, approximately 1 in every 66,549 girls born was named Topanga. FALLING Recent data shows the name is currently falling.