Topanga is a distinctive girls' name in United States, ranking #3943 in 2003 with 35 recorded births. The name reached its all-time peak in 1998 with 48 births ranking #2796. Since 1996, the popularity has increased by 218.2%. In 2003, approximately 1 in every 52,201 girls born was named Topanga. FALLING Recent data shows the name is currently falling.