Willalo is a rural locality in the Mid North region of South Australia, situated in the Regional Council of Goyder.

[3] It was also known in its early days as North Booboorowie.

The Willalo School began operating in the hall in 1912 and closed in 1971.

[4][5][6][7] The Willalo Methodist Church was built in 1928; its date of closure is unknown.

[9] The locality is zoned for use in primary production, variously for either agriculture or grazing purposes.