Mount Barker Junction Postcode

South Australia

Inner Regional Top 10% SEIFA Above SA income
5251
Postcode for Mount Barker Junction, SA
Phone area code: 08 · 27 km from Adelaide · Pop. 8
8
Population
39
Median Age
$3,999
Household Income/wk
$N/A
Median Rent/wk
9/10
SEIFA Advantage
1.0
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Mount Barker Junction ranks: household income is in the top 10% of SA suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Mount Barker Junction Compares

Mount Barker Junction vs the SA average and the national average (2021 Census, population-weighted).

MetricMount Barker JunctionSA avgAU avgGreater Adelaide
Household income/wk $3,999 +SA $1,545 $1,836 $1,620
Mortgage/month $1,200 -SA $1,558 $1,958 $1,666
Median age 39 45.0 45.0 42.0
SEIFA decile 9/10 +SA 5.0/10 6.0/10 7.0/10
Unemployment 0.0% -SA 6.0% 5.0% 6.0%

Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

Mount Barker Junction is a locality 27 km from Adelaide in South Australia, classified as inner regional by the ABS. The postcode is 5251. It falls within the Adelaide - Central and Hills region. The local government area is Mount Barker.

According to the 2021 Census, Mount Barker Junction has a population of 8 with a median age of 39. The median weekly household income is $3,999, above the SA average.

Housing in Mount Barker Junction includes a median monthly mortgage repayment of $1,200, 4 total dwellings. Housing costs in the area sit below the SA average.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Barker Junction scores in decile 9 out of 10, which is well above the national average.

Mount Barker Junction is part of the Adelaide Hills statistical area in South Australia.

Mount Barker Junction Details

Postcode5251
StateSouth Australia (SA)
Phone Area Code08
Population (2021)8
Median Age39 years
Median Household Income (Census 2021)$3,999/week
Median Personal Income (Census 2021)$1,499/week
Median Monthly Mortgage (Census 2021)$1,200
Average Household Size3.3 persons
Area1.0 km²
Population Density8/km²
Total Dwellings4
Australian Citizens100.0%
Unemployment Rate0.0%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-35.0248033
Longitude138.868672
Distance from Adelaide27 km
Region (SA4)Adelaide - Central and Hills
Area (SA3)Adelaide Hills
Local GovernmentMount Barker
Federal ElectorateMayo

Age Profile

0–14 (0.0%) 15–24 (0.0%) 25–44 (0.0%) 45–64 (75.0%) 65+ (0.0%)
Show counts
0–14 years0 (0.0%)
15–24 years0 (0.0%)
25–44 years0 (0.0%)
45–64 years6 (75.0%)
65+ years0 (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle0 (0.0%)
2 vehicles0 (0.0%)
3+ vehicles3 (100.0%)

Suburbs Near Mount Barker Junction

Same Postcode (5251)

More Mount Barker Junction Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.