[3] It is located 245 kilometres (152 mi) northeast of Kampala, Uganda's capital and largest city.

[5] Sironko sits at an average elevation of 1,184 metres (3,885 ft) above mean sea level.

[7] Sironko town lies at the foothills of Mount Elgon.

[8][9][10] The 1991 national census put the population of the town at 3,180 people.

In 2019, the Uganda Bureau of Statistics (UBOS), estimated the mid-year population of the town at approximately 18,900 inhabitants.