Topanga is a distinctive girls' name in United States, ranking #10037 in 2008 with 12 recorded births. This places Topanga in the top 49% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 48 births ranking #2796. In 2008, approximately 1 in every 157,560 girls born was named Topanga. FALLING Recent data shows the name is currently falling.