Hillier, South Australia
| Hillier Adelaide, South Australia | |||||||||||||||
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| Coordinates | 34°37′30″S 138°41′46″E / 34.625°S 138.696°E | ||||||||||||||
| Population | 814 (SAL 2021) | ||||||||||||||
| Postcode(s) | 5116 | ||||||||||||||
| Location | 35 km (22 mi) N of Adelaide city centre | ||||||||||||||
| LGA(s) | |||||||||||||||
| State electorate(s) | Light (2011) | ||||||||||||||
| Federal division(s) | Spence | ||||||||||||||
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Hillier is a northern suburb of Adelaide, South Australia. It is located in the Town of Gawler.