Rika is a distinctive girls' name in United States, ranking #10018 in 2015 with 11 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6660. Since 1996, the popularity has decreased by 21.4%. In 2015, approximately 1 in every 162,241 girls born was named Rika. FALLING Recent data shows the name is currently falling.