Poldan families are Croats and they are mostly from the Island of Rab. In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Rab and in Rijeka.
Prevalence
About 100 people with faimily name Poldan live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number doubled. They are only located in threee Croatian cities and 6 other places, mostly in Supetarska Draga (45) and Palit (15) on the Island of Rab, Rijeka (15), and in Lopar (<10) and Kampor (<10) on the Island of Rab.
Outside Croatia
Family name Poldan is present in 6 countries on three continents. The family name "Poldan " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.