In Croatia, Štromajer families are generally Croats (from the Island of Losinj ), very rarely Germans (from Daruvar area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Daruvar area. In Koreničani in Daruvar area every sixtieth inhabitant had the family name Štromajer.
Prevalence
About 20 people with faimily name Štromajer live in Croatia today, in 12 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties, threee cities and threee other places, mostly in Cunski on the Island of Losinj (<10), Daruvar (<10), Markovac (<5), Zagreb (<5), and in Marinici in Rijeka area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.
