Šimatović families are Croats and they are mostly from Otocac. In the past century, relatively most of Croatian residents bearing this family name were born in Otocac and Zagreb. In Tolić in Obrovac area every sixth inhabitant had the family name Šimatović.
About 260 people with faimily name Šimatović live in Croatia today, in 110 households. There were 250 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 21 cities and 24 other places, mostly in Zagreb (75), Otocac (45), Musaluk (25), Cacinci in Orahovica area (20), and in Sesvete (10).