High Quality Content by WIKIPEDIA articles! Tokoroa is the third-largest town in the Waikato region of the North Island of New Zealand and largest settlement in the South Waikato district. Located 30 km southwest of Rotorua, close to the foot of the Mamaku Ranges, it is mid-way between Taupo and Hamilton on State Highway One. Its 2006 census population was 13,530, a significant decline of almost 13 percent from the 1996 figure of 15,527. Other notable South Waikato settlements are Putaruru, Tirau and Arapuni.