Tatachilla, SA 5171

City of OnkaparingaAll suburbs in postcode 5171

Updated

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.

Selling in Tatachilla?

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Rent in Tatachilla

Rental data as of October 2026

Free appraisal in Tatachilla

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What to know about Tatachilla

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.

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 27°C (warm), winter mornings around 8°C (cool). Annual rainfall lands at about 516 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).

Schooling within or near the suburb covers 10 government primary, 2 government secondary, 1 Catholic, 2 independent.

Schools in Tatachilla

Schools serving Tatachilla: government first, then Catholic and independent.

Government schools

McLaren Vale Primary School

R-6Co-edGovernment
Catchment

Seaford Rise Primary School

U, R-6Co-edGovernment
Catchment

Aldinga Payinthi College

U, R-12Co-edGovernment
Catchment

© ACARA, licensed under CC BY 4.0.

Location

Walkability

Walk
0/100
Transit
0/100
Bike
25/100

Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).

Walkability data as of May 2026· OpenStreetMap

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%
Owner occupied
89%
Renter occupied
5%

Demographics data as of May 2026· ABS 2021 Census

Crime and safety

12 offences recorded in 2025-26

Top offence categories
OFFENCES AGAINST PROPERTY9 (75.0%)
OFFENCES AGAINST THE PERSON3 (25.0%)

Source: State Police Open Data

Crime data as of June 2026

Weather year-round

Annual rainfall
516 mm
Hottest month, avg max
27.1°C
Coldest month, avg min
7.9°C
Rainfall by month
J
F
M
A
M
J
J
A
S
O
N
D

Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.

Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations

Questions 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 in the City of Onkaparinga area, SA 5171.
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.

Selling in Tatachilla? Get the free selling guide

What selling costs, how agents price homes, what to ask them and a 12-week plan to settlement, personalised to Tatachilla. A free PDF, in about a minute.

Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data

How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.