Topanga is a distinctive girls' name in United States, ranking #7089 in 2011 with 18 recorded births. This places Topanga in the top 36% 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. Since 1996, the popularity has increased by 63.6%. In 2011, approximately 1 in every 97,711 girls born was named Topanga. FALLING Recent data shows the name is currently falling.