New Port vs Semaphore Park
New Port is the younger of the two, with a median age of 41 against 46 in Semaphore Park. In New Port, most households rent, most homes are flats or apartments, and most households are people living alone. In Semaphore Park, most households own their home and about half of households are people living alone. Houses cost more in Semaphore Park: a median of $1 million, against $917,000 in New Port, though rent is higher in New Port. On these figures, New Port tends to suit renters, young adults, and people living alone, while Semaphore Park suits older residents.
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
Semaphore Park
ahead on 4 of the 6 things we measure here
- has more separate houses rather than flats (54% vs 0%)
- has more parks and reserves (6 vs 0)
- is already more of a family suburb (47% vs 22%)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
New Port
ahead on 2 of the 3 things we measure here
- leaves households under less mortgage stress (21% vs 33%)
- has cheaper units ($507,500 vs $722,500)
Weighs house prices, unit prices, and mortgage stress.
Renters
They split
one each way, out of the 3 things we measure here
- New Port has a bigger rental market to choose from (61% vs 39%)
- Semaphore Park has cheaper rent ($250/wk vs $350/wk)
Weighs rent, rental stress, and how much is for rent.
Commuting to the city
New Port
ahead on the one thing that separates them
- is more walkable (90/100 vs 80/100)
Weighs distance, drive time, rail access, and walkability.
Downsizers and retirees
New Port
ahead on 2 of the 5 things we measure here
- has more units and townhouses to downsize into (100% vs 46%)
- is more walkable (90/100 vs 80/100)
- But Semaphore Park has more residents already 65 and over (26% vs 13%)
Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.
Investors
Semaphore Park
ahead on the one thing that separates them
- is growing faster (5.7% vs -4.4%)
Weighs house yield and population growth.
Where they sit
New Port and Semaphore Park drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.
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.
Demographics
Semaphore Park has more residents (4,541 vs 647); New Port rents higher ($350/wk vs $250/wk).
| New Port | Semaphore Park | |
|---|---|---|
| Population | 647 | 4,541 +602% vs other |
| Population trend (2016 → 2021) | -4.4% | +5.7% |
| Median age | 41 | 46 |
| Median household income | $77,220/yr +15% vs other | $65,624/yr |
| Median weekly rent | $350/wk +29% vs other | $250/wk |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (20.6%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (18.9%).
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.
Bars are drawn against the largest share shown (9.4%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Property market
| New Port | Semaphore Park | |
|---|---|---|
| Median house price | $917,250 | $1,000,000 |
| Median unit price | $507,500 | $722,500 |
| Median land price | — | $900,000 |
| Typical days to sell (houses) | 16 days from 12 sales | 19 days from 36 sales |
Zoning mix
New Port has more commercially zoned land (80% vs 0%).
| New Port | Semaphore Park | |
|---|---|---|
| Residential | 0% | 86% |
| Commercial | 80% | 0% |
| Parks and recreation | 20% | 11% |
| Environmental | 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
| New Port | Semaphore Park | |
|---|---|---|
| New dwellings approved | 1,176 across Port Adelaide Enfield | 1,636 across Charles Sturt |
| Approvals change year on year | +23% | +109% |
Gross rental yield
| New Port | Semaphore Park | |
|---|---|---|
| Houses | 3.7% $690/wk on $958K | 3.4% $620/wk on $950K |
| Units | 5.9% $600/wk on $525K | — |
Ranking within SA
| New Port | Semaphore Park | |
|---|---|---|
| House price | Higher than 19% of SA | Higher than 51% of SA |
| Income | Higher than 52% of SA | Higher than 33% of SA |
| Schools | — same for both | |
| Walkability | Higher than 99% of SA | Higher than 92% of SA |
| Affordability | Higher than 79% of SA | Higher than 22% of SA |
| EV adoption | Higher than 79% of SA | Higher than 81% of SA |
| NBN connectivity | Higher than 75% of SA | Higher than 81% of SA |
| Rental yield (houses) | Higher than 40% of SA | Higher than 27% of SA |
| Rental yield (units) | Higher than 96% of SA | — |
Liveability
New Port scores higher overall (50 vs 44); New Port is more walkable (90 vs 80).
| New Port | Semaphore Park | |
|---|---|---|
| Grade | C same for both | |
| Score | 50/100 | 44/100 |
| Socio-economic band | mid-range socio-economic decile 6/10 | below-average income decile 3/10 |
Risk profile
New Port carries more flood risk (84 vs 62).
| New Port | Semaphore Park | |
|---|---|---|
| Bushfire | None 0/100 same for both | |
| Crime | High 89/100 | High 87/100 |
| Flood | High 84/100 | Moderate 62/100 |
| Coastal erosion | None 0/100 | Moderate 47/100 |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 18 within 5 km | 14 within 5 km |
Schools
| New Port | Semaphore Park | |
|---|---|---|
| Inside the suburb | 1 same for both | |
| Rated above peers | 0 | 1 |
| Rated at peers | 1 | 0 |
| Rated below peers | 0 same for both | |
Schools in New Port
- Portside Christian College Independent · Combined at peers
Schools in Semaphore Park
- Westport Primary School Government · Primary above peers
Amenities in the suburb
| New Port | Semaphore Park | |
|---|---|---|
| Cafes & restaurants | 1 same for both | |
| Parks & reserves | 0 | 6 |
| Childcare | 1 | 3 |
| Pharmacies | 0 | 1 |
Mobility
| New Port | Semaphore Park | |
|---|---|---|
| Walkability score | 90/100 | 80/100 |
| Distance to Adelaide | 15.3 km | 15.6 km +2% vs other |
| Drive time (normal traffic) | 25 min same for both | |
| Public transport score | 77/100 Rail · Bus | 78/100 Bus |
| Peak arrivals per hour | 17.2 7-9am + 5-7pm | 35.0 7-9am + 5-7pm |
| Median peak wait | 2 min scheduled, not actual | 1 min scheduled, not actual |
| Electric vehicle share | 1.0% postcode 5015 | 1.2% postcode 5019 |
| Rooftop solar per 100 dwellings | 50 postcode 5015 | 52 postcode 5019 |
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.
Bars are drawn against the largest share shown (76.7%).
Setting
| New Port | Semaphore Park | |
|---|---|---|
| Elevation | 4 m above sea level, at the suburb centre | 8 m above sea level, at the suburb centre |
| Distance to the ocean | 1.7 km 2.2 km to a named beach | 848 m 868 m to a named beach |
NBN connectivity
| New Port | Semaphore Park | |
|---|---|---|
| Connectivity score | 51/100 | 69/100 |
| Most common technology | Fibre to the node same for both | |
| Full-fibre (FTTP) share | 11% 437 premises | 44% 2,251 premises |
Climate
| New Port | Semaphore Park | |
|---|---|---|
| Annual rainfall | 457 mm | 394 mm |
| Summer max (Jan) | 29.1°C | 28.1°C |
| Winter min (Jul) | 8.5°C | 7.8°C |
Air quality (annual mean)
| New Port | Semaphore Park | |
|---|---|---|
| PM2.5 | 4.5 µg/m³ same for both | |
| PM10 | 20.3 µg/m³ same for both | |
| NO₂ | — same for both | |
Council rates
| New Port | Semaphore Park | |
|---|---|---|
| Average residential rate | $1,311/yr | $1,726/yr |
| Council | Port Adelaide Enfield | Charles Sturt |
Federal electorate
| New Port | Semaphore Park | |
|---|---|---|
| Division | Hindmarsh same for both | |
| Member | Mark Butler same for both | |
| Party | Australian Labor Party same for both | |
First Home Owner Grant
| New Port | Semaphore Park | |
|---|---|---|
| Grant amount | $15,000 same for both | |
| Property price cap | — same for both | |
| Eligibility | New same for both | |
Tags
Semaphore Park
More comparisons
Other comparisons with New Port
Other comparisons with Semaphore Park
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.