O'Halloran Hill, South Australia — interactive Google street map, satellite and terrain views, Street View, live local weather conditions and 7-day forecasts, real-time local and world news, and an editorial description of O'Halloran Hill, in the City Of Marion local government area.
| Locality | O'Halloran Hill |
| State | South Australia (SA) |
| Local Government Area | City Of Marion |
| Country | Australia |
| Timezone | Australian Central Time (ACST/ACDT) |
| Remoteness | Major Cities of Australia |
| Latitude | -35.05747 |
| Longitude | 138.55256 |
| Population | 2,613 |
| Density | 371.2 /km² |
| Area | 7.0 km² |
| Elevation | 145 m |
| Postcode | 5158 |
| Area Code | 08 |
| Distance to Adelaide | 15 km south-southwest |
O'Halloran Hill is a locality in the City Of Marion local government area of South Australia, Australia. It has a population of approximately 2,613. The locality covers an area of 7.0 km², giving a population density of about 371.2 people per km². It sits at an elevation of around 145 m above sea level. It lies approximately 15 km south-southwest of Adelaide. O'Halloran Hill is located at 35.0575°S, 138.5526°E. It observes Australian Central Time (ACST/ACDT). Postcode: 5158.
O'Halloran Hill rises gently from the Adelaide Plains, a verdant undulation of land crowned with mature gums and scattered stands of native scrub. It lies 7.4 km north-north-east of Morphett Vale, SA (from Morphett Vale, SA: bearing 18°T), and is situated 4.4 km east-north-east of Hallett Cove. The air here carries a certain stillness, a quiet hum of cicadas in the warmer months and the crisp breath of the coast on cooler days. From its higher points, the landscape unfolds in a patchwork of suburban rooftops, the distant shimmer of the St Vincent Gulf, and the darker, more substantial forms of the Adelaide Hills to the east. This is a place where the urban edge softens, where manicured lawns give way to the wilder, untamed beauty of the South Australian topography, and the light at dusk often paints the sky in hues of apricot and lavender.
Historically, this elevated terrain offered strategic vantage points and a welcome respite from the coastal humidity, its origins intertwined with the early agricultural aspirations of the region. The land around O'Halloran Hill was once part of a broader agricultural hinterland, its fertile soils supporting a modest but vital farming economy that fed the growing colony. While the direct echoes of those farming days have largely receded, replaced by the steady expansion of residential development and neighbourhood shopping centres, a sense of continuity persists. The local economy now leans heavily on services and retail, catering to the surrounding suburbs, but the underlying character of the land, its gentle slopes and the enduring presence of native flora, continues to shape the daily life and visual identity of O'Halloran Hill.
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This page provides an interactive Google map of O'Halloran Hill, South Australia with street, satellite and terrain views and integrated Street View imagery. Live weather conditions with current observations and a 7-day forecast are powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while an editorially written description provides background on O'Halloran Hill, in the City Of Marion local government area.
Detailed location data for O'Halloran Hill includes the postcode (5158), telephone area code (08), and local government area (City Of Marion), with an ABS remoteness classification of Major Cities of Australia. These are among the most commonly searched location details for any Australian city, town or locality.
Location data is drawn from Geoscape Administrative Boundaries (GDA2020) and enriched with GeoNames and Australian Bureau of Statistics data, matched by coordinate proximity — ensuring the correct O'Halloran Hill is identified even where the name is shared across multiple localities.
| Page generated | June 2026 |
| Location data | Geoscape Administrative Boundaries (GDA2020); enriched with GeoNames and ABS 2021 Census data, matched by coordinate proximity |
| Description | Editorial description generated with AI assistance from verified Geoscape, ABS and GeoNames location data. |