In Croatia, Mikulica families are predominantly Serbs, rarely Croats (also from Slunj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Slunj area and in Osijek.
Prevalence
About 20 people with faimily name Mikulica live in Croatia today, in 7 households. There were 40 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, four cities and another small place , mostly in Plaski in Slunj area (<10), Rijeka (<5), Osijek (<5), Vukovar (<5), and in Ogulin (<5).
Outside Croatia
Family name Mikulica is present in 9 countries on three continents. "Mikuliza " 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 over five times, the first time 1923 in source Emigration Commission Zagreb.