In Croatia, Rigler families are predominantly Croats (from Virovitica ), very rarely Slovenes (from Cabar ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 20 people with faimily name Rigler live in Croatia today, in 9 households. There were 40 of them in the middle of the past century, and their number halved. They are located in four Croatian counties and another small place , mostly in Virovitica (10), Zagreb (<10), Dugo Selo (<5), Jurdani in Opatija area (<5), and in Opatija (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.