About 70 people with faimily name Šilec live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 10 percent. They are located in 7 Croatian counties, in 7 cities and 10 other places, mostly in Trnovec (20) and Bartolovec (10) in Varazdin area, Varazdin (<10), Zagreb (<10), and in Brezovec in Mursko Sredisce area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.