Karol is a distinctive boys' name in United States, ranking #3083 in 2011 with 37 recorded births. This places Karol in the top 21% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 132 births ranking #1206. Since 1996, the popularity has increased by 117.6%. In 2011, approximately 1 in every 51,324 boys born was named Karol. FALLING Recent data shows the name is currently falling.