Postonjski families are Croats and they are mostly from Lepoglava area. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Zagreb.
Prevalence
About 90 people with faimily name Postonjski live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 50 percent. They are located in threee Croatian counties, four cities and 12 other places, mostly in Zagreb (25), in Brestovec Orehovicki (15), Orehovica (<10) and Pustodol Orehovicki (<10) in Lepoglava area, and in Hum Zabocki (<10).
Outside Croatia
Family name Postonjski is present in two countries.
