Ridgehaven vs St Agnes

Comparing Ridgehaven and St Agnes, SA: St Agnes carries more crime risk (67 vs 50); Ridgehaven scores higher overall (52 vs 42); and St Agnes has higher household incomes ($80,964 vs $67,964).

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

They split

one each way, out of the 6 things we measure here

  • Ridgehaven carries lower crime risk (50/100 vs 67/100)
  • St Agnes has more separate houses rather than flats (86% vs 73%)

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

First-home buyers

St Agnes

ahead on the one thing that separates them

  • has cheaper land ($320,000 vs $478,000)

Weighs house prices, unit prices, land prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

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

Commuting to the city

Ridgehaven

ahead on the one thing that separates them

  • is more walkable (73/100 vs 60/100)

Weighs distance, drive time, and walkability.

Downsizers and retirees

Ridgehaven

ahead on 3 of the 5 things we measure here

  • has more units and townhouses to downsize into (27% vs 14%)
  • carries lower crime risk (50/100 vs 67/100)
  • is more walkable (73/100 vs 60/100)

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

Investors

Ridgehaven

ahead on the one thing that separates them

  • is growing faster (7.4% vs 2.4%)

Weighs house yield and population growth.

Where they sit

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

Ridgehaven St Agnes
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.

Ridgehaven St Agnes
Walkability 73 / 60
Ridgehaven — Walkability: 73/100 St Agnes — Walkability: 60/100
Safety 50 / 33
Ridgehaven — Safety: 50/100 St Agnes — Safety: 33/100
Low fire risk 100 / 100
Ridgehaven — Low fire risk: 100/100 St Agnes — Low fire risk: 100/100
Low flood risk 26 / 14
Ridgehaven — Low flood risk: 26/100 St Agnes — Low flood risk: 14/100

Demographics

St Agnes has higher household incomes ($80,964 vs $67,964).

Ridgehaven St Agnes
Population 4,304
+2% vs other
 4,233
Population trend (2016 → 2021) +7.4% +2.4%
Median age 43 44
Median household income $67,964/yr $80,964/yr
+19% vs other
Median weekly rent $320/wk $340/wk
+6% vs other

Age profile

Share of residents in each band, 2021 Census.

Ridgehaven St Agnes
0-4 5.7% / 4.9%
Ridgehaven — 0-4: 5.7% St Agnes — 0-4: 4.9%
5-14 10.5% / 11.8%
Ridgehaven — 5-14: 10.5% St Agnes — 5-14: 11.8%
15-19 4.5% / 4.8%
Ridgehaven — 15-19: 4.5% St Agnes — 15-19: 4.8%
20-24 4.9% / 4.9%
Ridgehaven — 20-24: 4.9% St Agnes — 20-24: 4.9%
25-34 13.8% / 11.5%
Ridgehaven — 25-34: 13.8% St Agnes — 25-34: 11.5%
35-44 12.5% / 12.4%
Ridgehaven — 35-44: 12.5% St Agnes — 35-44: 12.4%
45-54 12.3% / 13.0%
Ridgehaven — 45-54: 12.3% St Agnes — 45-54: 13.0%
55-64 9.9% / 13.5%
Ridgehaven — 55-64: 9.9% St Agnes — 55-64: 13.5%
65-74 10.9% / 11.9%
Ridgehaven — 65-74: 10.9% St Agnes — 65-74: 11.9%
75-84 10.4% / 7.4%
Ridgehaven — 75-84: 10.4% St Agnes — 75-84: 7.4%
85+ 4.7% / 4.0%
Ridgehaven — 85+: 4.7% St Agnes — 85+: 4.0%

Bars are drawn against the largest share shown (13.8%).

Who lives together

Household composition, 2021 Census.

Ridgehaven 44.3% lone person
Ridgehaven — Lone Person: 44.3% Ridgehaven — Couple Families: 35.5% Ridgehaven — One Parent Families: 16.5% Ridgehaven — Group Household: 2.3% Ridgehaven — Other Families: 1.4%
St Agnes 37.5% lone person
St Agnes — Lone Person: 37.5% St Agnes — Couple Families: 41.6% St Agnes — One Parent Families: 17.0% St Agnes — Group Household: 2.9% St Agnes — Other Families: 1.1%
Lone Person Couple Families One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Ridgehaven 23.7% renting
Ridgehaven — Owned Outright: 33.6% Ridgehaven — Mortgage: 42.7% Ridgehaven — Renting: 23.7%
St Agnes 17.2% renting
St Agnes — Owned Outright: 40.1% St Agnes — Mortgage: 42.7% St Agnes — Renting: 17.2%
Owned outright Mortgage Renting

Qualifications

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

Ridgehaven St Agnes
Certificate III & IV 18.0% / 17.1%
Ridgehaven — Certificate III & IV: 18.0% St Agnes — Certificate III & IV: 17.1%
Bachelor Degree 11.1% / 11.9%
Ridgehaven — Bachelor Degree: 11.1% St Agnes — Bachelor Degree: 11.9%
Advanced Diploma / Diploma 7.4% / 8.7%
Ridgehaven — Advanced Diploma / Diploma: 7.4% St Agnes — Advanced Diploma / Diploma: 8.7%
Postgraduate Degree 2.9% / 3.0%
Ridgehaven — Postgraduate Degree: 2.9% St Agnes — Postgraduate Degree: 3.0%
Graduate Diploma / Certificate 1.4% / 1.9%
Ridgehaven — Graduate Diploma / Certificate: 1.4% St Agnes — Graduate Diploma / Certificate: 1.9%

Bars are drawn against the largest share shown (18.0%).

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.

Ridgehaven St Agnes
England 7.7% / 6.5%
Ridgehaven — England: 7.7% St Agnes — England: 6.5%
India 3.0% / 2.3%
Ridgehaven — India: 3.0% St Agnes — India: 2.3%
Italy 0.8% / 3.0%
Ridgehaven — Italy: 0.8% St Agnes — Italy: 3.0%
China 1.0% / 1.0%
Ridgehaven — China: 1.0% St Agnes — China: 1.0%
Philippines 0.9% / 0.8%
Ridgehaven — Philippines: 0.9% St Agnes — Philippines: 0.8%
Germany 0.8% / 0.9%
Ridgehaven — Germany: 0.8% St Agnes — Germany: 0.9%
Scotland 0.8% / 0.7%
Ridgehaven — Scotland: 0.8% St Agnes — Scotland: 0.7%

Bars are drawn against the largest share shown (7.7%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Ridgehaven 73.4% houses
Ridgehaven — Houses: 73.4% Ridgehaven — Flats / Apartments: 20.6% Ridgehaven — Townhouses: 6.0%
St Agnes 85.9% houses
St Agnes — Houses: 85.9% St Agnes — Flats / Apartments: 10.0% St Agnes — Townhouses: 4.1%
Houses Flats / Apartments Townhouses

Property market

Ridgehaven St Agnes
Median house price $860,000 $849,000
Median unit price $615,000 $585,500
Median land price $478,000 $320,000
Typical days to sell (houses) 30 days
from 46 sales
 20 days
from 34 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Ridgehaven St Agnes
3 bed $848K / $821K
Ridgehaven — 3 bed: $848K (56 sales) St Agnes — 3 bed: $821K (59 sales)

56 vs 59 sales

4 bed $988K / $890K
Ridgehaven — 4 bed: $988K (17 sales) St Agnes — 4 bed: $890K (28 sales)

17 vs 28 sales

Zoning mix

St Agnes has more industrially zoned land (16% vs 3%).

Ridgehaven St Agnes
Residential 81% 76%
Industrial 3% 16%
Parks and recreation 12% 0%
Infrastructure and transport 0% 6%
Commercial 4% 2%
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

Ridgehaven St Agnes
New dwellings approved 574
across Tea Tree Gully
same for both
Approvals change year on year +36%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Ridgehaven St Agnes
Houses 3.9%
$680/wk on $898K
 3.9%
$650/wk on $875K
Units —
same for both

Ranking within SA

Ridgehaven St Agnes
House price Higher than 31% of SA Higher than 21% of SA
Income Higher than 36% of SA Higher than 55% of SA
Schools —
same for both
Walkability Higher than 90% of SA Higher than 84% of SA
Affordability Higher than 52% of SA Higher than 81% of SA
EV adoption Higher than 53% of SA
same for both
NBN connectivity Higher than 98% of SA Higher than 90% of SA
Rental yield (houses) Higher than 52% of SA Higher than 46% of SA

Liveability

Ridgehaven scores higher overall (52 vs 42); Ridgehaven is more walkable (73 vs 60).

Ridgehaven St Agnes
Grade B C
Score 52/100 42/100
Socio-economic band mid-range socio-economic
decile 4/10
 mid-range socio-economic
decile 5/10

Risk profile

St Agnes carries more crime risk (67 vs 50); St Agnes carries more flood risk (86 vs 74).

Ridgehaven St Agnes
Bushfire None
0/100
same for both
Crime Moderate
50/100
 Moderate
67/100
Flood High
74/100
 High
86/100
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 6
within 5 km
 3
within 5 km

Schools

Ridgehaven St Agnes
Inside the suburb 1 2
Rated above peers 0
same for both
Rated at peers 0 2
Rated below peers 1 0
Universities within 10 km 1
Adelaide University, Mawson Lakes Campus, 8.6 km
 2
Adelaide University, Magill Campus, 9.3 km
Full-time students aged 15–24 1.6% 1.8%

Schools in Ridgehaven

  • Ridgehaven Primary School Government · Primary below peers

Schools in St Agnes

  • Ardtornish Primary School Government · Primary at peers
  • St Agnes School P - 6 Government · Primary at peers

Amenities in the suburb

Ridgehaven St Agnes
Supermarkets 0 2
Cafes & restaurants 4 1
Parks & reserves 6 5
Childcare 3 5
GPs 1 0
Pharmacies 1
same for both
Banks & Bank@Post 1
same for both
Fuel stations 0 1
Waterways 2 0

Mobility

Ridgehaven St Agnes
Walkability score 73/100 60/100
Distance to Adelaide 17 km
+2% vs other
 16.7 km
Drive time (normal traffic) 26 min
same for both
Public transport score 79/100
Bus
same for both
Peak arrivals per hour 90.0
7-9am + 5-7pm
 121.8
7-9am + 5-7pm
Median peak wait 0 min
scheduled, not actual
same for both
Electric vehicle share 0.5%
postcode 5097
same for both
Rooftop solar per 100 dwellings 63
postcode 5097
same for both

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.

Ridgehaven St Agnes
Car (driver) 73.1% / 74.5%
Ridgehaven — Car (driver): 73.1% St Agnes — Car (driver): 74.5%
Worked from Home 8.6% / 11.4%
Ridgehaven — Worked from Home: 8.6% St Agnes — Worked from Home: 11.4%
Bus 10.9% / 8.4%
Ridgehaven — Bus: 10.9% St Agnes — Bus: 8.4%
Car (passenger) 5.0% / 3.3%
Ridgehaven — Car (passenger): 5.0% St Agnes — Car (passenger): 3.3%
Walked Only 1.8% / 1.6%
Ridgehaven — Walked Only: 1.8% St Agnes — Walked Only: 1.6%

Bars are drawn against the largest share shown (74.5%).

Setting

Ridgehaven St Agnes
Elevation 159 m
above sea level, at the suburb centre
 156 m
above sea level, at the suburb centre
Distance to the ocean 13.6 km 14.4 km

NBN connectivity

Ridgehaven St Agnes
Connectivity score 97/100 76/100
Most common technology Fibre to the premises Hybrid fibre-coaxial
Full-fibre (FTTP) share 91%
2,333 premises
 5%
1,971 premises

Climate

Ridgehaven St Agnes
Annual rainfall 404 mm
same for both
Summer max (Jan) 30.4°C
same for both
Winter min (Jul) 6.5°C
same for both

Air quality (annual mean)

Ridgehaven St Agnes
PM2.5 —
same for both
PM10 —
same for both
NO₂ 0.51 pphm
same for both

Council rates

Ridgehaven St Agnes
Average residential rate $2,000/yr
same for both
Council Tea Tree Gully
same for both

Federal electorate

Ridgehaven St Agnes
Division Makin
same for both
Member Tony Zappia
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Ridgehaven St Agnes
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Ridgehaven

Middle-Ring Parks Quiet Retirees River

St Agnes

Large Blocks Middle-Ring Parks Quiet

More comparisons

Other comparisons with Ridgehaven

Ridgehaven vs Modbury Heights Ridgehaven vs Modbury North Ridgehaven vs Modbury Ridgehaven vs Redwood Park Ridgehaven vs Tea Tree Gully Ridgehaven vs Banksia Park

Other comparisons with St Agnes

St Agnes vs Hope Valley St Agnes vs Modbury St Agnes vs Tea Tree Gully St Agnes vs Vista
Full data on Ridgehaven Full data on St Agnes
Unlock full address-level data — $29/month

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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