Trott Park vs Happy Valley

Trott Park is the younger of the two, with a median age of 39 against 42 in Happy Valley. In both, the large majority of households own their home, the large majority of homes are detached houses, and about half of households are couple families. Trott Park is closer to the city centre: 19.7 km, against 23.1 km. On these figures, Happy Valley tends to suit 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

Happy Valley

ahead on 3 of the 6 things we measure here

  • has more childcare (6 vs 1)
  • has more schools inside the suburb (2 vs 0)
  • has more parks and reserves (10 vs 5)
  • But Trott Park is already more of a family suburb (71% vs 62%)

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

First-home buyers

Too close to call

Nothing among the 2 things we measure here separates them by enough to be worth acting on.

Weighs house 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

Trott Park

ahead on 3 of the 4 things we measure here

  • has a shorter drive in (27 min vs 56 min)
  • is more walkable (62/100 vs 41/100)
  • sits closer to the CBD (19.7 km vs 23.1 km)

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

Downsizers and retirees

They split

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

  • Trott Park is more walkable (62/100 vs 41/100)
  • Happy Valley has more GPs (2 vs 0)

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

Investors

Too close to call

Nothing among the 2 things we measure here separates them by enough to be worth acting on.

Weighs house yield and population growth.

Where they sit

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

Trott Park Happy Valley
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.

Trott Park Happy Valley
Walkability 62 / 41
Trott Park — Walkability: 62/100 Happy Valley — Walkability: 41/100
Safety 76 / 69
Trott Park — Safety: 76/100 Happy Valley — Safety: 69/100
Low fire risk 54 / 100
Trott Park — Low fire risk: 54/100 Happy Valley — Low fire risk: 100/100
Low flood risk 89 / 63
Trott Park — Low flood risk: 89/100 Happy Valley — Low flood risk: 63/100

Demographics

Happy Valley has more residents (11,420 vs 3,124); Trott Park has higher household incomes ($91,104 vs $81,796).

Trott Park Happy Valley
Population 3,124 11,420
+266% vs other
Population trend (2016 → 2021) +0.6% +1.8%
Median age 39 42
Median household income $91,104/yr
+10% vs other
 $81,796/yr
Median weekly rent $350/wk $360/wk
+3% vs other

Age profile

Share of residents in each band, 2021 Census.

Trott Park Happy Valley
0-4 6.1% / 5.6%
Trott Park — 0-4: 6.1% Happy Valley — 0-4: 5.6%
5-14 12.5% / 11.5%
Trott Park — 5-14: 12.5% Happy Valley — 5-14: 11.5%
15-19 4.7% / 5.9%
Trott Park — 15-19: 4.7% Happy Valley — 15-19: 5.9%
20-24 5.4% / 4.8%
Trott Park — 20-24: 5.4% Happy Valley — 20-24: 4.8%
25-34 13.9% / 11.9%
Trott Park — 25-34: 13.9% Happy Valley — 25-34: 11.9%
35-44 13.8% / 13.2%
Trott Park — 35-44: 13.8% Happy Valley — 35-44: 13.2%
45-54 11.4% / 12.2%
Trott Park — 45-54: 11.4% Happy Valley — 45-54: 12.2%
55-64 13.3% / 12.4%
Trott Park — 55-64: 13.3% Happy Valley — 55-64: 12.4%
65-74 11.0% / 13.5%
Trott Park — 65-74: 11.0% Happy Valley — 65-74: 13.5%
75-84 4.4% / 6.3%
Trott Park — 75-84: 4.4% Happy Valley — 75-84: 6.3%
85+ 3.3% / 2.8%
Trott Park — 85+: 3.3% Happy Valley — 85+: 2.8%

Bars are drawn against the largest share shown (13.9%).

Who lives together

Household composition, 2021 Census.

Trott Park 54.1% couple families
Trott Park — Couple Families: 54.1% Trott Park — Lone Person: 26.1% Trott Park — One Parent Families: 16.9% Trott Park — Group Household: 2.6% Trott Park — Other Families: 0.4%
Happy Valley 46.1% couple families
Happy Valley — Couple Families: 46.1% Happy Valley — Lone Person: 34.7% Happy Valley — One Parent Families: 16.4% Happy Valley — Group Household: 1.9% Happy Valley — Other Families: 1.0%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Trott Park 13.3% renting
Trott Park — Owned Outright: 32.8% Trott Park — Mortgage: 53.9% Trott Park — Renting: 13.3%
Happy Valley 11.6% renting
Happy Valley — Owned Outright: 37.1% Happy Valley — Mortgage: 51.3% Happy Valley — Renting: 11.6%
Owned outright Mortgage Renting

Qualifications

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

Trott Park Happy Valley
Certificate III & IV 18.1% / 18.6%
Trott Park — Certificate III & IV: 18.1% Happy Valley — Certificate III & IV: 18.6%
Bachelor Degree 11.8% / 11.2%
Trott Park — Bachelor Degree: 11.8% Happy Valley — Bachelor Degree: 11.2%
Advanced Diploma / Diploma 8.5% / 8.9%
Trott Park — Advanced Diploma / Diploma: 8.5% Happy Valley — Advanced Diploma / Diploma: 8.9%
Postgraduate Degree 2.5% / 2.5%
Trott Park — Postgraduate Degree: 2.5% Happy Valley — Postgraduate Degree: 2.5%
Graduate Diploma / Certificate 1.7% / 2.0%
Trott Park — Graduate Diploma / Certificate: 1.7% Happy Valley — Graduate Diploma / Certificate: 2.0%

Bars are drawn against the largest share shown (18.6%).

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.

Trott Park Happy Valley
England 7.6% / 8.3%
Trott Park — England: 7.6% Happy Valley — England: 8.3%
India 1.6% / 0.6%
Trott Park — India: 1.6% Happy Valley — India: 0.6%
Scotland 1.2% / 0.8%
Trott Park — Scotland: 1.2% Happy Valley — Scotland: 0.8%
Philippines 1.1% / 0.6%
Trott Park — Philippines: 1.1% Happy Valley — Philippines: 0.6%
South Africa 0.8% / 0.8%
Trott Park — South Africa: 0.8% Happy Valley — South Africa: 0.8%
New Zealand 0.7% / 0.7%
Trott Park — New Zealand: 0.7% Happy Valley — New Zealand: 0.7%

Bars are drawn against the largest share shown (8.3%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Trott Park 97.2% houses
Trott Park — Houses: 97.2% Trott Park — Townhouses: 2.5% Trott Park — Flats / Apartments: 0.3%
Happy Valley 89.9% houses
Happy Valley — Houses: 89.9% Happy Valley — Townhouses: 10.0% Happy Valley — Flats / Apartments: 0.1%
Houses Townhouses Flats / Apartments

Property market

Trott Park Happy Valley
Median house price $890,000 $870,000
Median unit price — $665,000
Median land price — $520,000
Typical days to sell (houses) 19 days
from 19 sales
 16 days
from 90 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.

Trott Park Happy Valley
3 bed $859K / $836K
Trott Park — 3 bed: $859K (24 sales) Happy Valley — 3 bed: $836K (122 sales)

24 vs 122 sales

4 bed $1M / $936K
Trott Park — 4 bed: $1M (8 sales) Happy Valley — 4 bed: $936K (60 sales)

8 vs 60 sales

Zoning mix

Trott Park has more land zoned for conservation (31% vs 1%).

Trott Park Happy Valley
Residential 61% 46%
Parks and recreation 0% 51%
Environmental 31% 1%
Industrial 7% 0%
Rural and farming 0% 1%
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

Trott Park Happy Valley
New dwellings approved 809
across Marion
 1,367
across Onkaparinga
Approvals change year on year -31% +58%

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.

Trott Park Happy Valley
Houses 3.9%
$625/wk on $824K
 4.0%
$675/wk on $885K
Units —
same for both

Ranking within SA

Trott Park Happy Valley
House price Higher than 43% of SA Higher than 32% of SA
Income Higher than 70% of SA Higher than 57% of SA
Schools —
same for both
Walkability Higher than 85% of SA Higher than 78% of SA
Affordability Higher than 71% of SA Higher than 76% of SA
EV adoption Higher than 67% of SA Higher than 77% of SA
NBN connectivity Higher than 88% of SA Higher than 85% of SA
Rental yield (houses) Higher than 53% of SA Higher than 54% of SA

Liveability

Trott Park is more walkable (62 vs 41).

Trott Park Happy Valley
Grade B
same for both
Score 63/100 61/100
Socio-economic band mid-range socio-economic
decile 6/10
same for both

Risk profile

Trott Park carries more bushfire risk (46 vs 0); Happy Valley carries more flood risk (37 vs 11).

Trott Park Happy Valley
Bushfire Moderate
46/100
 None
0/100
Crime Low
24/100
 Low
31/100
Flood Low
11/100
 Low
37/100
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

Trott Park Happy Valley
Inside the suburb 0 2
Rated above peers 0
same for both
Rated at peers 0 1
Rated below peers 0 1
Universities within 10 km 2
Bedford Park, 6.0 km
 2
Bedford Park, 5.9 km
Full-time students aged 15–24 1.7% 1.8%

Schools in Trott Park

No schools recorded inside this suburb's boundary. Children here will be zoned to schools nearby.

Schools in Happy Valley

  • Happy Valley Primary School Government · Primary at peers
  • Braeview School Government · Primary below peers

Amenities in the suburb

Trott Park Happy Valley
Supermarkets 1
same for both
Cafes & restaurants 2
same for both
Parks & reserves 5 10
Childcare 1 6
GPs 0 2
Pharmacies 0 1
Banks & Bank@Post 0 1
Waterways 1 5

Mobility

Happy Valley sits further from the CBD (23.1 km vs 19.7 km).

Trott Park Happy Valley
Walkability score 62/100 41/100
Distance to Adelaide 19.7 km 23.1 km
+17% vs other
Drive time (normal traffic) 27 min 56 min
Public transport score 78/100
Bus
 79/100
Bus
Peak arrivals per hour 57.5
7-9am + 5-7pm
 237.2
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
 0 min
scheduled, not actual
Electric vehicle share 0.7%
postcode 5158
 1.0%
postcode 5159
Rooftop solar per 100 dwellings 74
postcode 5158
 70
postcode 5159

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.

Trott Park Happy Valley
Car (driver) 82.4% / 80.1%
Trott Park — Car (driver): 82.4% Happy Valley — Car (driver): 80.1%
Worked from Home 9.2% / 10.4%
Trott Park — Worked from Home: 9.2% Happy Valley — Worked from Home: 10.4%
Car (passenger) 3.8% / 3.8%
Trott Park — Car (passenger): 3.8% Happy Valley — Car (passenger): 3.8%
Bus 1.5% / 3.1%
Trott Park — Bus: 1.5% Happy Valley — Bus: 3.1%
Train 2.1% / 1.4%
Trott Park — Train: 2.1% Happy Valley — Train: 1.4%

Bars are drawn against the largest share shown (82.4%).

Setting

Trott Park Happy Valley
Elevation 150 m
above sea level, at the suburb centre
 147 m
above sea level, at the suburb centre
Distance to the ocean 3.6 km 6.9 km

NBN connectivity

Trott Park Happy Valley
Connectivity score 75/100 74/100
Most common technology Hybrid fibre-coaxial Fibre to the premises
Full-fibre (FTTP) share 23%
1,197 premises
 45%
4,948 premises

Climate

Trott Park Happy Valley
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)

Trott Park Happy Valley
PM2.5 —
same for both
PM10 19.5 µg/m³
same for both
NO₂ 0.34 pphm
same for both

Council rates

Trott Park Happy Valley
Average residential rate $1,782/yr $2,008/yr
Council Marion Onkaparinga

Federal electorate

Trott Park Happy Valley
Division Kingston
same for both
Member Amanda Rishworth
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Trott Park Happy Valley
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Trott Park

Large Blocks Middle-Ring Parks Quiet

Happy Valley

Large Blocks Middle-Ring River

More comparisons

Other comparisons with Trott Park

Trott Park vs Hallett Cove Trott Park vs Sheidow Park Trott Park vs Reynella Trott Park vs Old Reynella Trott Park vs O'Halloran Hill Trott Park vs Seaview Downs

Other comparisons with Happy Valley

Happy Valley vs Woodcroft Happy Valley vs Aberfoyle Park Happy Valley vs Flagstaff Hill Happy Valley vs Old Reynella Happy Valley vs O'Halloran Hill Happy Valley vs Reynella East
Full data on Trott Park Full data on Happy Valley
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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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