Gornji Jalšovec is located in the municipality Desinić, in Krapina-Zagorje County at an elevation of 225 meters above sea level and it covers the area of 1.55 km² (0.60 sq. miles). According to the 2011 census report, there were 62 inhabitants. It is predominantly populated by Croats (98%), but also. Nearby places: Klanječko, Turnišće Desinićko, Gostenje, Šimunci, Gornji Zbilj, Ivanić Desinićki, Gaber, Nebojse, Jelenjak and Donji Jalšovec.