Šlogar families are Croats and they are mostly from Pregrada. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pregrada. In Velika Gora in Pregrada every sixth inhabitant had the family name Šlogar.
Prevalence
About 340 people with faimily name Šlogar live in Croatia today, in 150 households. There were 350 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 18 cities and 39 other places, mostly in Zagreb (155), Dubravica Desinicka in Pregrada area (30), Velika Gora (15), and in Ivanska (10) and Samarica (<10) in Bjelovar area.
Outside Croatia
Family name Šlogar is present in two countries on two continents. The family name "Slogar " is used by some 400 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.