Tatachilla at a glance
Walk score
0
Very car dependent
Population
231
Median age 45
The brief
What to know about Tatachilla.
The postcode for Tatachilla is 5171 (SA), part of Greater Adelaide.
Tatachilla (5171) sits in the Onkaparinga region of South Australia.
Tatachilla has roughly 231 residents, with an established, older skew. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Tatachilla scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 10 government primary, 2 government secondary, 1 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Tatachilla's population at 231, with a median age of 45. That sits as an established, older skew. Households are predominantly owner-occupied (89% own, 5% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (88% family households, 6% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
231
Median age
45
Family households
88%
Lone person
6%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Rental and ownership
Weekly rent (house)
$330/wk
Weekly rent (unit)
$280/wk
Owner occupied
89%
Renter occupied
5%
At a deeper level
231
Median age: 45
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Safety
Crime and safety.
9
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Getting around
Walkability.
0
0
25
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Tatachilla.
Local schools for Tatachilla
View the catchment for each school to find out more.
Government School Catchment
McLaren Vale Primary School
Seaford Rise Primary School
Aldinga Payinthi College
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Tatachilla.
- What is the Tatachilla postcode?
- Tatachilla is in the 5171 postcode, in SA, in the City of Onkaparinga region.
- Where is Tatachilla?
- Tatachilla is a suburb of Adelaide, in SA 5171. It is part of the Greater Adelaide area, in the City of Onkaparinga region.
- What is the average rent in Tatachilla?
- The median weekly rent for houses is $330, for units it's $280.
- What schools are in Tatachilla?
- There are 16 schools serving Tatachilla on this page, including Tatachilla Lutheran College, McLaren Vale Primary School, Seaford Rise Primary School.
- How walkable is Tatachilla?
- Tatachilla has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 25.
- What suburbs are near Tatachilla?
- Tatachilla is close to Maslin Beach, Mclaren Vale, Aldinga, Seaford Rise, Seaford Heights.
- What is the population of Tatachilla?
- The population of Tatachilla is approximately 231 (2021 Census). The median age is 45.
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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