Poldrugač families are Croats and they are mostly from Sveti Ivan Zelina. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina. In Gornja Drenova in Sveti Ivan Zelina every sixth inhabitant had the family name Poldrugač.
Prevalence
About 350 people with faimily name Poldrugač live in Croatia today, in 150 households. There were 520 of them in the middle of the past century, and their number decreased by 30 percent. They are located in the most of Croatian counties, in 13 cities and 50 other places, mostly in Zagreb (100), Sveti Ivan Zelina (35), Gornja Drenova (20), Luzan (15), and in Hrastje (15).
Outside Croatia
Family name Poldrugač (including: Poldrugac , Poldrugach ) is present in 7 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.