Hosadurga is located in Karnataka, India, with an average elevation of 739 meters (2424 feet) above sea level.
As of the 2011 India census, Hosadurga has a population of 28,370. Males constitute 52% of the population and females 48%. Hosadurga has an average literacy rate of 72%, higher than the national average of 59.5%, with a male literacy rate of 76% and a female literacy rate of 70%. In Hosadurga, 12% of the population is under seven years of age.
Hosadurga had a strong cement industry in the 1990s, but many factories have closed over time due to shortages of limestone. Currently only one remains, the Ramco Cement Factory in Mathodu Village.