In Croatia, Pačko families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Varazdin.
Prevalence
About 30 people with faimily name Pačko live in Croatia today, in 14 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in 7 Croatian counties, in 8 cities and 5 other places, mostly in Bjelovar (<10), Split (<5), Djurdjevac (<5), Semovci in Djurdjevac area (<5), and in Velika Pisanica in Grubisno Polje area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.