In Croatia, Strepački families are almost entirely Croats (from Zupanja area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zupanja area and in Zagreb.
Prevalence
About 40 people with faimily name Strepački live in Croatia today, in 17 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, four cities and two other places, mostly in Rajevo Selo in Zupanja area (15), Zagreb (10), Zupanja (<10), Osijek (<5), and in Veliko Trojstvo in Bjelovar area (<5).
Outside Croatia
Family name Strepački is present in two countries on two continents. The family name "Strepacki " 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 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.