Tatachilla vs Willunga

In both, the large majority of households own their home and the large majority of homes are detached houses. In Tatachilla, most households are couple families. In Willunga, about half of households are couple families. Tatachilla is closer to the city centre: 41.1 km, against 46.6 km. On these figures, Tatachilla tends to suit couples, while Willunga suits people living alone.

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

Willunga

ahead on 3 of the 6 things we measure here

  • has more parks and reserves (4 vs 0)
  • has more schools inside the suburb (3 vs 1)
  • carries lower crime risk (30/100 vs 71/100)
  • But Tatachilla is already more of a family suburb (86% vs 66%)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Too close to call

Nothing among the 1 things we measure here separates them by enough to be worth acting on.

Weighs mortgage stress.

Renters

Tatachilla

ahead on 2 of the 3 things we measure here

  • leaves renters under less rental stress (14% vs 20%)
  • has cheaper rent ($280/wk vs $330/wk)
  • But Willunga has a bigger rental market to choose from (15% vs 5%)

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

They split

one each way, out of the 3 things we measure here

  • Tatachilla sits closer to the CBD (41.1 km vs 46.6 km)
  • Willunga is more walkable (65/100 vs 0/100)

Weighs distance, drive time, and walkability.

Downsizers and retirees

Willunga

ahead on 3 of the 5 things we measure here

  • is more walkable (65/100 vs 0/100)
  • carries lower crime risk (30/100 vs 71/100)
  • has more residents already 65 and over (23% vs 16%)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Too close to call

Nothing among the 1 things we measure here separates them by enough to be worth acting on.

Weighs population growth.

Where they sit

Tatachilla and Willunga drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Tatachilla Willunga
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Tatachilla Willunga
Walkability 0 / 65
Tatachilla — Walkability: 0/100 Willunga — Walkability: 65/100
Safety 29 / 70
Tatachilla — Safety: 29/100 Willunga — Safety: 70/100
Low fire risk 100 / 65
Tatachilla — Low fire risk: 100/100 Willunga — Low fire risk: 65/100

Demographics

Willunga has more residents (2,445 vs 231); Tatachilla has higher household incomes ($107,900 vs $87,412).

Tatachilla Willunga
Population 231 2,445
+958% vs other
Population trend (2016 → 2021) +9.0% +5.9%
Median age 45 47
Median household income $107,900/yr
+19% vs other
 $87,412/yr
Median weekly rent $280/wk $330/wk
+18% vs other

Age profile

Share of residents in each band, 2021 Census.

Tatachilla Willunga
0-4 4.8% / 4.0%
Tatachilla — 0-4: 4.8% Willunga — 0-4: 4.0%
5-14 16.0% / 14.0%
Tatachilla — 5-14: 16.0% Willunga — 5-14: 14.0%
15-19 7.8% / 5.6%
Tatachilla — 15-19: 7.8% Willunga — 15-19: 5.6%
20-24 5.2% / 4.3%
Tatachilla — 20-24: 5.2% Willunga — 20-24: 4.3%
25-34 4.8% / 6.7%
Tatachilla — 25-34: 4.8% Willunga — 25-34: 6.7%
35-44 11.7% / 11.9%
Tatachilla — 35-44: 11.7% Willunga — 35-44: 11.9%
45-54 19.9% / 15.3%
Tatachilla — 45-54: 19.9% Willunga — 45-54: 15.3%
55-64 15.2% / 14.9%
Tatachilla — 55-64: 15.2% Willunga — 55-64: 14.9%
65-74 8.7% / 14.2%
Tatachilla — 65-74: 8.7% Willunga — 65-74: 14.2%
75-84 7.4% / 7.2%
Tatachilla — 75-84: 7.4% Willunga — 75-84: 7.2%
85+ — / 1.9%
Tatachilla — 85+: not among its largest Willunga — 85+: 1.9%

Bars are drawn against the largest share shown (19.9%).

Who lives together

Household composition, 2021 Census.

Tatachilla 65.5% couple families
Tatachilla — Couple Families: 65.5% Tatachilla — Lone Person: 9.1% Tatachilla — One Parent Families: 20.0% Tatachilla — Other Families: 5.5% Tatachilla — Group Household: 0.0%
Willunga 51.1% couple families
Willunga — Couple Families: 51.1% Willunga — Lone Person: 31.6% Willunga — One Parent Families: 14.8% Willunga — Other Families: 0.5% Willunga — Group Household: 2.0%
Couple Families Lone Person One Parent Families Other Families Group Household

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Tatachilla 5.2% renting
Tatachilla — Owned Outright: 44.2% Tatachilla — Mortgage: 50.6% Tatachilla — Renting: 5.2%
Willunga 15.2% renting
Willunga — Owned Outright: 43.7% Willunga — Mortgage: 41.1% Willunga — Renting: 15.2%
Owned outright Mortgage Renting

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Tatachilla Willunga
Certificate III & IV 19.9% / 14.7%
Tatachilla — Certificate III & IV: 19.9% Willunga — Certificate III & IV: 14.7%
Bachelor Degree 13.9% / 15.5%
Tatachilla — Bachelor Degree: 13.9% Willunga — Bachelor Degree: 15.5%
Advanced Diploma / Diploma 10.0% / 9.1%
Tatachilla — Advanced Diploma / Diploma: 10.0% Willunga — Advanced Diploma / Diploma: 9.1%
Postgraduate Degree 4.3% / 4.0%
Tatachilla — Postgraduate Degree: 4.3% Willunga — Postgraduate Degree: 4.0%
Graduate Diploma / Certificate 3.5% / 3.9%
Tatachilla — Graduate Diploma / Certificate: 3.5% Willunga — Graduate Diploma / Certificate: 3.9%

Bars are drawn against the largest share shown (19.9%).

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Tatachilla Willunga
England 8.7% / 12.1%
Tatachilla — England: 8.7% Willunga — England: 12.1%
Thailand 2.2% / —
Tatachilla — Thailand: 2.2% Willunga — Thailand: not among its largest
France 1.3% / —
Tatachilla — France: 1.3% Willunga — France: not among its largest
Scotland — / 1.3%
Tatachilla — Scotland: not among its largest Willunga — Scotland: 1.3%
New Zealand — / 1.1%
Tatachilla — New Zealand: not among its largest Willunga — New Zealand: 1.1%
South Africa — / 0.6%
Tatachilla — South Africa: not among its largest Willunga — South Africa: 0.6%
Germany — / 0.6%
Tatachilla — Germany: not among its largest Willunga — Germany: 0.6%

Bars are drawn against the largest share shown (12.1%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Tatachilla 98.8% houses
Tatachilla — Houses: 98.8% Tatachilla — Flats / Apartments: 1.2% Tatachilla — Townhouses: 0.0%
Willunga 96.5% houses
Willunga — Houses: 96.5% Willunga — Flats / Apartments: 1.7% Willunga — Townhouses: 1.7%
Houses Flats / Apartments Townhouses

Property market

Tatachilla Willunga
Median house price — $1,090,000
Median unit price — $630,000
Median land price — $885,000
Typical days to sell (houses) — 32 days
from 30 sales

Zoning mix

Tatachilla has more rural and farming land (91% vs 32%); Willunga has more land zoned for conservation (56% vs 0%).

Tatachilla Willunga
Rural and farming 91% 32%
Environmental 0% 56%
Industrial 9% 0%
Residential 0% 8%
Parks and recreation 0% 3%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Tatachilla Willunga
New dwellings approved 1,367
across Onkaparinga
same for both
Approvals change year on year +58%
same for both

Ranking within SA

Tatachilla Willunga
House price — Higher than 52% of SA
Income — Higher than 65% of SA
Schools — Higher than 66% of SA
Walkability Higher than 40% of SA Higher than 86% of SA
Affordability — Higher than 58% of SA
EV adoption Higher than 68% of SA Higher than 88% of SA
NBN connectivity Higher than 71% of SA Higher than 97% of SA

Liveability

Willunga is more walkable (65 vs 0).

Tatachilla Willunga
Grade — A
Score — 66/100
Socio-economic band very advantaged area
decile 9/10
 advantaged area
decile 8/10

Risk profile

Willunga carries more bushfire risk (35 vs 0); Tatachilla carries more crime risk (71 vs 30).

Tatachilla Willunga
Bushfire None
0/100
 Low
35/100
Crime High
71/100
 Low
30/100
Flood —
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 11
within 5 km
 2
within 5 km

Schools

Tatachilla Willunga
Inside the suburb 1 3
Rated above peers 0 1
Rated at peers 1 0
Rated below peers 0 2

Schools in Tatachilla

  • Tatachilla Lutheran College Independent · Combined at peers

Schools in Willunga

  • Willunga Waldorf School Independent · Combined above peers
  • Willunga High School Government · Secondary below peers
  • Willunga Primary School Government · Primary below peers

Amenities in the suburb

Tatachilla Willunga
Supermarkets 0 1
Cafes & restaurants 0 5
Parks & reserves 0 4
Childcare 1 3
Pharmacies 0 1
Banks & Bank@Post 0 1
Fuel stations 0 1
Waterways 1 0

Mobility

Willunga sits further from the CBD (46.6 km vs 41.1 km).

Tatachilla Willunga
Walkability score 0/100 65/100
Distance to Adelaide 41.1 km 46.6 km
+13% vs other
Drive time (normal traffic) 41 min 45 min
Electric vehicle share 0.7%
postcode 5171
 1.5%
postcode 5172
Rooftop solar per 100 dwellings 90
postcode 5171
 96
postcode 5172

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Tatachilla Willunga
Car (driver) 72.8% / 71.8%
Tatachilla — Car (driver): 72.8% Willunga — Car (driver): 71.8%
Worked from Home 20.2% / 18.2%
Tatachilla — Worked from Home: 20.2% Willunga — Worked from Home: 18.2%
Car (passenger) 4.4% / 3.1%
Tatachilla — Car (passenger): 4.4% Willunga — Car (passenger): 3.1%
Walked Only 2.6% / 3.4%
Tatachilla — Walked Only: 2.6% Willunga — Walked Only: 3.4%
Train — / 3.0%
Tatachilla — Train: not among its largest Willunga — Train: 3.0%

Bars are drawn against the largest share shown (72.8%).

Setting

Tatachilla Willunga
Elevation 71 m
above sea level, at the suburb centre
 122 m
above sea level, at the suburb centre
Distance to the ocean 3.6 km
4.4 km to a named beach
 8.5 km

NBN connectivity

Tatachilla Willunga
Connectivity score 39/100 93/100
Most common technology Fixed wireless Fibre to the premises
Full-fibre (FTTP) share 12%
97 premises
 90%
1,195 premises

Climate

Tatachilla Willunga
Annual rainfall 786 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Air quality (annual mean)

Tatachilla Willunga
PM2.5 —
same for both
PM10 19.5 µg/m³
same for both
NO₂ 0.34 pphm
same for both

Council rates

Tatachilla Willunga
Average residential rate $2,008/yr
same for both
Council Onkaparinga
same for both

Federal electorate

Tatachilla Willunga
Division Mayo
same for both
Member Rebekha Sharkie
same for both
Party Centre Alliance
same for both

First Home Owner Grant

Tatachilla Willunga
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Tatachilla

Outer

Willunga

Acreage Outer

More comparisons

Other comparisons with Tatachilla

Tatachilla vs McLaren Vale Tatachilla vs Maslin Beach Tatachilla vs Aldinga Tatachilla vs Whites Valley

Other comparisons with Willunga

Willunga vs McLaren Vale Willunga vs Willunga South Willunga vs Whites Valley Willunga vs The Range Willunga vs Willunga Hill Willunga vs Hope Forest
Full data on Tatachilla Full data on Willunga
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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