Rukav families are Croats and they are mostly from Krapina area. In the past century, relatively most of Croatian residents bearing this family name were born in Krapina area and in Slovenia. In Gorjani Sutinski in Krapina area every tenth inhabitant had the family name Rukav.
Prevalence
About 70 people with faimily name Rukav live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number increased by 50 percent. They are located in 6 Croatian counties, in 7 cities and 8 other places, mostly in Gorjani Sutinski in Krapina area (25), Krapina (15), Polje Krapinsko (<10), Bestovje in Samobor area (<10), and in Pozega (<10).
Outside Croatia
Family name Rukav is present in four countries on three continents. "Ruckav " is used by few 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.