0.8% of the population in Magelang Regency is Protestant.

The Protestant population in Magelang Regency, as of December 31, 2023, was recorded at 10,428 individuals. This represents a decrease of 2,235 individuals compared to the previous year's reported figure of 12,663.

According to data from the Directorate General of Population and Civil Registration (Ditjen Dukcapil) of the Ministry of Home Affairs, the proportion of Protestants in this regency/city reached 0.8 percent of the total population in 2023, which numbered 1.33 million.

When viewed in terms of its distribution across the population of each region in Central Java, the proportion of Protestants in Magelang Regency ranks 18th.

The following is a list of the population of Central Java by religion in 2023:

• Islam 1,298,638 (97.5%)
• Catholic 21,908 (1.64%)
• Protestant 10,428 (0.78%)
• Indigenous Beliefs 480 (0.04%)
• Buddhist 303 (0.02%)
• Hindu 158 (0.01%)
• Confucian 6 (0.0%)

Other regencies/cities in Central Java with the largest Protestant populations, in descending order, are: Semarang City (115,684), Surakarta City (79,259), Semarang Regency (34,009), Salatiga City (30,984), Klaten Regency (30,132), Pati Regency (27,093), Sukoharjo Regency (26,851), Jepara Regency (22,727), Karanganyar Regency (21,630), and Banyumas Regency (15,687).