In Croatia, Slakoper families are generally Croats (from Zabok area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zabok area and in Samobor.
Prevalence
About 40 people with faimily name Slakoper live in Croatia today, in 18 households. There were 50 of them in the middle of the past century, and their number decreased by 10 percent. They are located and four other Croatian places, mostly in Bezavina in Zabok area (20), Klake (<10), Daruvar (<10), Donji Daruvar (<5), and in Zagreb (<5).
Outside Croatia
Family name Slakoper is present in three countries on two continents. The family name "Slakoper " is used by few 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.