Seaview Downs vs O'halloran Hill

In both, the large majority of households own their home and the large majority of homes are detached houses. In Seaview Downs, about half of households are couple families. Houses cost more in Seaview Downs: a median of $1 million, against $860,000 in O'Halloran Hill, and rent is higher there too.

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

  • Seaview Downs carries lower crime risk (23/100 vs 65/100)
  • O'halloran Hill has more schools rated above their peers (1 vs 0)

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

First-home buyers

O'Halloran Hill

ahead on the one thing that separates them

  • has cheaper houses ($860,150 vs $1,000,000)

Weighs house prices and mortgage stress.

Renters

O'Halloran Hill

ahead on the one thing that separates them

  • has cheaper rent ($350/wk vs $385/wk)

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

Commuting to the city

Too close to call

Nothing among the 4 things we measure here separates them by enough to be worth acting on.

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

They split

one each way, out of the 5 things we measure here

  • Seaview Downs carries lower crime risk (23/100 vs 65/100)
  • O'halloran Hill has more GPs (3 vs 0)

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

Seaview Downs and O'halloran Hill drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Seaview Downs O'halloran Hill
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.

Seaview Downs O'halloran Hill
Walkability 52 / 47
Seaview Downs — Walkability: 52/100 O'halloran Hill — Walkability: 47/100
Safety 77 / 35
Seaview Downs — Safety: 77/100 O'halloran Hill — Safety: 35/100
Low fire risk 52 / 60
Seaview Downs — Low fire risk: 52/100 O'halloran Hill — Low fire risk: 60/100
Low flood risk 46 / 89
Seaview Downs — Low flood risk: 46/100 O'halloran Hill — Low flood risk: 89/100

Demographics

Seaview Downs has higher household incomes ($90,532 vs $81,016); Seaview Downs rents higher ($385/wk vs $350/wk).

Seaview Downs O'halloran Hill
Population 2,718 2,722
Population trend (2016 → 2021) +1.7% +2.4%
Median age 42 40
Median household income $90,532/yr
+11% vs other
 $81,016/yr
Median weekly rent $385/wk
+9% vs other
 $350/wk

Age profile

Share of residents in each band, 2021 Census.

Seaview Downs O'halloran Hill
0-4 5.5% / 5.6%
Seaview Downs — 0-4: 5.5% O'halloran Hill — 0-4: 5.6%
5-14 13.2% / 12.5%
Seaview Downs — 5-14: 13.2% O'halloran Hill — 5-14: 12.5%
15-19 6.2% / 4.7%
Seaview Downs — 15-19: 6.2% O'halloran Hill — 15-19: 4.7%
20-24 5.1% / 5.2%
Seaview Downs — 20-24: 5.1% O'halloran Hill — 20-24: 5.2%
25-34 9.7% / 14.8%
Seaview Downs — 25-34: 9.7% O'halloran Hill — 25-34: 14.8%
35-44 12.9% / 14.6%
Seaview Downs — 35-44: 12.9% O'halloran Hill — 35-44: 14.6%
45-54 14.2% / 12.3%
Seaview Downs — 45-54: 14.2% O'halloran Hill — 45-54: 12.3%
55-64 11.7% / 11.6%
Seaview Downs — 55-64: 11.7% O'halloran Hill — 55-64: 11.6%
65-74 11.1% / 11.0%
Seaview Downs — 65-74: 11.1% O'halloran Hill — 65-74: 11.0%
75-84 8.3% / 7.0%
Seaview Downs — 75-84: 8.3% O'halloran Hill — 75-84: 7.0%
85+ 2.5% / 0.8%
Seaview Downs — 85+: 2.5% O'halloran Hill — 85+: 0.8%

Bars are drawn against the largest share shown (14.8%).

Who lives together

Household composition, 2021 Census.

Seaview Downs 49.7% couple families
Seaview Downs — Couple Families: 49.7% Seaview Downs — Lone Person: 29.0% Seaview Downs — One Parent Families: 16.0% Seaview Downs — Group Household: 4.3% Seaview Downs — Other Families: 0.9%
O'halloran Hill 44.1% couple families
O'halloran Hill — Couple Families: 44.1% O'halloran Hill — Lone Person: 32.3% O'halloran Hill — One Parent Families: 19.0% O'halloran Hill — Group Household: 3.4% O'halloran Hill — Other Families: 1.1%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Seaview Downs 11.8% renting
Seaview Downs — Owned Outright: 41.4% Seaview Downs — Mortgage: 46.8% Seaview Downs — Renting: 11.8%
O'halloran Hill 18.2% renting
O'halloran Hill — Owned Outright: 33.3% O'halloran Hill — Mortgage: 48.5% O'halloran Hill — Renting: 18.2%
Owned outright Mortgage Renting

Qualifications

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

Seaview Downs O'halloran Hill
Certificate III & IV 16.3% / 19.2%
Seaview Downs — Certificate III & IV: 16.3% O'halloran Hill — Certificate III & IV: 19.2%
Bachelor Degree 14.6% / 12.7%
Seaview Downs — Bachelor Degree: 14.6% O'halloran Hill — Bachelor Degree: 12.7%
Advanced Diploma / Diploma 8.8% / 8.7%
Seaview Downs — Advanced Diploma / Diploma: 8.8% O'halloran Hill — Advanced Diploma / Diploma: 8.7%
Postgraduate Degree 3.6% / 3.1%
Seaview Downs — Postgraduate Degree: 3.6% O'halloran Hill — Postgraduate Degree: 3.1%
Graduate Diploma / Certificate 2.0% / 1.9%
Seaview Downs — Graduate Diploma / Certificate: 2.0% O'halloran Hill — Graduate Diploma / Certificate: 1.9%

Bars are drawn against the largest share shown (19.2%).

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.

Seaview Downs O'halloran Hill
England 6.8% / 7.5%
Seaview Downs — England: 6.8% O'halloran Hill — England: 7.5%
New Zealand 0.9% / 1.0%
Seaview Downs — New Zealand: 0.9% O'halloran Hill — New Zealand: 1.0%
Scotland 0.8% / 1.0%
Seaview Downs — Scotland: 0.8% O'halloran Hill — Scotland: 1.0%
Germany 1.0% / 0.6%
Seaview Downs — Germany: 1.0% O'halloran Hill — Germany: 0.6%
India 0.8% / 0.8%
Seaview Downs — India: 0.8% O'halloran Hill — India: 0.8%
China 0.8% / 0.6%
Seaview Downs — China: 0.8% O'halloran Hill — China: 0.6%
Malaysia 0.9% / —
Seaview Downs — Malaysia: 0.9% O'halloran Hill — Malaysia: not among its largest
South Africa — / 0.7%
Seaview Downs — South Africa: not among its largest O'halloran Hill — South Africa: 0.7%

Bars are drawn against the largest share shown (7.5%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Seaview Downs 97.2% houses
Seaview Downs — Houses: 97.2% Seaview Downs — Townhouses: 3.1% Seaview Downs — Flats / Apartments: 0.0%
O'halloran Hill 91.5% houses
O'halloran Hill — Houses: 91.5% O'halloran Hill — Townhouses: 8.1% O'halloran Hill — Flats / Apartments: 0.4%
Houses Townhouses Flats / Apartments

Property market

Seaview Downs O'halloran Hill
Median house price $1,000,000 $860,150
Median unit price — $720,000
Median land price —
same for both
Typical days to sell (houses) 21 days
from 31 sales
 12 days
from 23 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.

Seaview Downs O'halloran Hill
3 bed $942K / $857K
Seaview Downs — 3 bed: $942K (31 sales) O'halloran Hill — 3 bed: $857K (31 sales)

31 vs 31 sales

4 bed $1.13M / $968K
Seaview Downs — 4 bed: $1.13M (27 sales) O'halloran Hill — 4 bed: $968K (9 sales)

27 vs 9 sales

Zoning mix

O'Halloran Hill has more land zoned for conservation (78% vs 45%).

Seaview Downs O'halloran Hill
Environmental 45% 78%
Residential 54% 18%
Rural and farming 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

Seaview Downs O'halloran Hill
New dwellings approved 809
across Marion
same for both
Approvals change year on year -31%
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.

Seaview Downs O'halloran Hill
Houses — 3.8%
$638/wk on $870K
Units —
same for both

Ranking within SA

Seaview Downs O'halloran Hill
House price Higher than 54% of SA Higher than 24% of SA
Income Higher than 69% of SA Higher than 55% of SA
Schools —
same for both
Walkability Higher than 81% of SA Higher than 80% of SA
Affordability Higher than 59% of SA Higher than 79% of SA
EV adoption Higher than 84% of SA Higher than 67% of SA
NBN connectivity Higher than 85% of SA Higher than 80% of SA
Rental yield (houses) — Higher than 43% of SA

Liveability

Seaview Downs scores higher overall (57 vs 52).

Seaview Downs O'halloran Hill
Grade B
same for both
Score 57/100 52/100
Socio-economic band advantaged area
decile 8/10
 mid-range socio-economic
decile 6/10

Risk profile

Seaview Downs carries more flood risk (54 vs 11); O'Halloran Hill carries more crime risk (65 vs 23).

Seaview Downs O'halloran Hill
Bushfire Moderate
48/100
 Moderate
40/100
Crime Low
23/100
 Moderate
65/100
Flood Moderate
54/100
 Low
11/100
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 4
within 5 km
 3
within 5 km

Schools

Seaview Downs O'halloran Hill
Inside the suburb 1
same for both
Rated above peers 0 1
Rated at peers 1 0
Rated below peers 0
same for both
Universities within 10 km 2
Bedford Park, 3.5 km
 2
Bedford Park, 4.0 km
Full-time students aged 15–24 2.2% 1.7%

Schools in Seaview Downs

  • Seaview Downs Primary School Government · Primary at peers

Schools in O'halloran Hill

  • IQRA College Independent · Combined above peers

Amenities in the suburb

Seaview Downs O'halloran Hill
Supermarkets 0 1
Cafes & restaurants 0 4
Parks & reserves 4 6
Childcare 3 2
GPs 0 3
Pharmacies 0 1
Banks & Bank@Post 0 1
Fuel stations 1 2

Mobility

Seaview Downs O'halloran Hill
Walkability score 52/100 47/100
Distance to Adelaide 16.6 km 17.9 km
+8% vs other
Drive time (normal traffic) 25 min 24 min
Public transport score 62/100
Bus
 79/100
Bus
Peak arrivals per hour 16.8
7-9am + 5-7pm
 129.5
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
 0 min
scheduled, not actual
Electric vehicle share 1.4%
postcode 5049
 0.7%
postcode 5158
Rooftop solar per 100 dwellings 67
postcode 5049
 74
postcode 5158

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.

Seaview Downs O'halloran Hill
Car (driver) 78.2% / 77.4%
Seaview Downs — Car (driver): 78.2% O'halloran Hill — Car (driver): 77.4%
Worked from Home 11.6% / 11.1%
Seaview Downs — Worked from Home: 11.6% O'halloran Hill — Worked from Home: 11.1%
Car (passenger) 3.9% / 4.6%
Seaview Downs — Car (passenger): 3.9% O'halloran Hill — Car (passenger): 4.6%
Train 3.3% / 2.2%
Seaview Downs — Train: 3.3% O'halloran Hill — Train: 2.2%
Bus 1.1% / 3.6%
Seaview Downs — Bus: 1.1% O'halloran Hill — Bus: 3.6%

Bars are drawn against the largest share shown (78.2%).

Setting

Seaview Downs O'halloran Hill
Elevation 142 m
above sea level, at the suburb centre
 189 m
above sea level, at the suburb centre
Distance to the ocean 2.1 km 4.1 km

NBN connectivity

Seaview Downs O'halloran Hill
Connectivity score 75/100 67/100
Most common technology Hybrid fibre-coaxial Fibre to the node
Full-fibre (FTTP) share 0%
1,117 premises
 40%
1,262 premises

Climate

Seaview Downs O'halloran Hill
Annual rainfall 394 mm
same for both
Summer max (Jan) 28.1°C
same for both
Winter min (Jul) 7.8°C
same for both

Air quality (annual mean)

Seaview Downs O'halloran Hill
PM2.5 —
same for both
PM10 19.5 µg/m³
same for both
NO₂ 0.34 pphm
same for both

Council rates

Seaview Downs O'halloran Hill
Average residential rate $1,782/yr
same for both
Council Marion
same for both

Federal electorate

Seaview Downs O'halloran Hill
Division Boothby Kingston
Member Louise Miller-Frost Amanda Rishworth
Party Australian Labor Party
same for both

First Home Owner Grant

Seaview Downs O'halloran Hill
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Seaview Downs

Coastal Large Blocks Middle-Ring Parks

O'halloran Hill

Acreage Middle-Ring Quiet

More comparisons

Other comparisons with Seaview Downs

Seaview Downs vs Hallett Cove Seaview Downs vs Seacombe Gardens Seaview Downs vs Trott Park Seaview Downs vs Dover Gardens Seaview Downs vs South Brighton Seaview Downs vs Seacliff Park

Other comparisons with O'halloran Hill

O'halloran Hill vs Happy Valley O'halloran Hill vs Flagstaff Hill O'halloran Hill vs Trott Park O'halloran Hill vs Seacombe Heights O'halloran Hill vs Darlington
Full data on Seaview Downs Full data on O'halloran Hill
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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