The rainy season is from late December to mid March, and Kondoa receives little to no precipitation the rest of the year.

In 2016 the Tanzania National Bureau of Statistics report there were 64,147 people in the town.

[3] The Warangi is the most populous ethnic group in Kondoa, and their native language is Kirangi.

As it was a stop on an ancient caravan road, Kondoa has a sizeable non-Irangi minority.

Other tribes include the Wasandewe, Waburunge, Wafyomi, Waalagwa, Wabarbaig, Wamasai, and Wagorowa.