Milca is a distinctive girls' name in United States, ranking #3789 in 2003 with 37 recorded births. The name reached its all-time peak in 2003 with 37 births ranking #3789. Since 1996, the popularity has increased by 208.3%. In 2003, approximately 1 in every 49,380 girls born was named Milca. RISING Recent data shows the name is currently rising.