Hosur taluka is a taluka of Krishnagiri district of the Indian state of Tamil Nadu. The headquarters is the town of Hosur. In this taluk 176 Revenue Villages are there.
According to the 2011 census, the taluk of Hosur had a population of 539,668 with 277,529 males and 262,139 females. There were 945 women for every 1000 men. The taluk had a literacy rate of 67.65. Child population in the age group below 6 was 31,619 Males and 30,142 Females.