Smithfield Postcode

South Australia

Inner Regional Bottom 20% SEIFA
5114
Postcode for Smithfield, SA
Phone area code: 08 · 28 km from Adelaide · Pop. 2,482
2,482
Population
35
Median Age
$1,049
Household Income/wk
$260
Median Rent/wk
1/10
SEIFA Advantage
2.1
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 Smithfield ranks: household income sits in the bottom 25% of SA suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Smithfield Compares

Smithfield vs the SA average and the national average (2021 Census, population-weighted).

MetricSmithfieldSA avgAU avgGreater Adelaide
Household income/wk $1,049 -SA $1,545 $1,836 $1,620
Rent/wk $260 -SA $308 $390 $329
Mortgage/month $1,100 -SA $1,558 $1,958 $1,666
Median age 35 45.0 45.0 42.0
SEIFA decile 1/10 -SA 5.0/10 6.0/10 7.0/10
Unemployment 11.9% +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.

Smithfield is a locality 28 km from Adelaide in South Australia, classified as inner regional by the ABS. The postcode is 5114. It falls within the Adelaide - North region. The local government area is Playford.

According to the 2021 Census, Smithfield has a population of 2,482 with a median age of 35. The median weekly household income is $1,049, below the SA average. The unemployment rate is 11.9%, higher than the SA average. The Indigenous population is 113 (4.6% of residents).

Housing in Smithfield includes a median weekly rent of $260, median monthly mortgage repayment of $1,100, with 906 total dwellings. Housing costs in the area sit below the SA average. Rental properties account for 50.9% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Smithfield scores in decile 1 out of 10, which is well below the national average.

Smithfield is part of the Tea Tree Gully statistical area in South Australia.

Smithfield Details

Postcode5114
StateSouth Australia (SA)
Phone Area Code08
Population (2021)2,482
Median Age35 years
Median Household Income (Census 2021)$1,049/week
Median Personal Income (Census 2021)$526/week
Median Weekly Rent (Census 2021)$260
Median Monthly Mortgage (Census 2021)$1,100
Average Household Size2.5 persons
Area2.1 km²
Population Density1182/km²
Total Dwellings906
Australian Citizens81.1%
Indigenous Population113 (4.6%)
Unemployment Rate11.9%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-34.685833
Longitude138.686944
Distance from Adelaide28 km
Region (SA4)Adelaide - North
Area (SA3)Tea Tree Gully
Local GovernmentPlayford
Federal ElectorateSpence

Age Profile

0–14 (21.4%) 15–24 (13.5%) 25–44 (25.6%) 45–64 (23.1%) 65+ (16.3%)
Show counts
0–14 years532 (21.4%)
15–24 years335 (13.5%)
25–44 years636 (25.6%)
45–64 years574 (23.1%)
65+ years404 (16.3%)

Housing Tenure

Owned outright (16.3%) Mortgaged (32.8%) Rented (50.9%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis293 (11.8%)
Asthma291 (11.7%)
Diabetes194 (7.8%)
Heart Disease122 (4.9%)
Lung Condition82 (3.3%)
Cancer73 (2.9%)
Dementia7 (0.3%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle124 (14.0%)
1 vehicle380 (42.9%)
2 vehicles265 (29.9%)
3+ vehicles117 (13.2%)

Suburbs Near Smithfield

Same Postcode (5114)

More Smithfield 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.