About 400 people with faimily name Pap live in Croatia today, in 170 households. There were 520 of them in the middle of the past century, and their number decreased by 20 percent. They are located in almost all Croatian counties, in 34 cities and 49 other places, mostly in Zagreb (50), Rijeka (25), Trnava in Djakovo area (20), Nustar in Vinkovci area (20), and in Vinkovci (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1749 in source 18th Century Census.