It is located 499 kilometres (310 mi) north of the state capital, Perth and 22 kilometres (14 mi) west of Northampton, the closest major town.

In the 2016 census Horrocks had a population of 138 people in 184 dwellings (63 occupied).

The population of Horrocks fluctuates depending on tourism, with the town at full capacity during school holidays and throughout the summer.

During the census (Tuesday 9 August) 62% of dwellings were unoccupied (national average 11%).

[2][3] The town was named after Joseph Lucas Horrocks, a convict who was transported to Western Australia in 1851 for forging and uttering.