Koroman families are Croats and they are mostly from Labin area (iz mjesta Koromani). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Labin area. In Koromani in Labin area every second inhabitant had the family name Koroman.
Prevalence
About 120 people with faimily name Koroman live in Croatia today, in 50 households. There were 80 of them in the middle of the past century, and their number increased by 60 percent. They are located in 9 Croatian counties, in 12 cities and 13 other places, mostly in Pula (35), in Koromani (20), Prhati (20) and Melnica (<10) in Labin area, and in Zagreb (<10).
Outside Croatia
Family name Koroman (including: Coroman , Khoerohman ) is present in 15 countries worldwide. The family name "Koroman " 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.