Seventeen Mile Postcode

Queensland

Inner Regional

4344

Postcode for Seventeen Mile, QLD
Phone area code: 07 · 85 km from Brisbane · Pop. 22

Population

Median Age

$1,375

Household Income/wk

$N/A

Median Rent/wk

5/10

SEIFA Advantage

54.3

Area (km²)

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

How Seventeen Mile Compares

Seventeen Mile vs the QLD average and the national average (2021 Census, population-weighted).

Metric	Seventeen Mile	QLD avg	AU avg
Household income/wk	$1,375 -QLD	$1,770	$1,836
Mortgage/month	$1,084 -QLD	$1,774	$1,958
Median age	47	44.0	45.0
SEIFA decile	5/10 ≈QLD	4.0/10	6.0/10
Unemployment	0.0% -QLD	6.0%	5.0%

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

Seventeen Mile is a locality 85 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4344. It falls within the Toowoomba region. The local government area is Lockyer Valley.

According to the 2021 Census, Seventeen Mile has a population of 22 with a median age of 47. The median weekly household income is $1,375, below the QLD average.

Housing in Seventeen Mile includes a median monthly mortgage repayment of $1,084, 4 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Seventeen Mile scores in decile 5 out of 10, which is around the national average.

Seventeen Mile is part of the Toowoomba statistical area in Queensland.

Seventeen Mile Details

Postcode	4344
State	Queensland (QLD)
Phone Area Code	07
Population (2021)	22
Median Age	47 years
Median Household Income (Census 2021)	$1,375/week
Median Personal Income (Census 2021)	$949/week
Median Monthly Mortgage (Census 2021)	$1,084
Average Household Size	2.2 persons
Area	54.3 km²
Population Density	0/km²
Total Dwellings	4
Australian Citizens	22.7%
Unemployment Rate	0.0%
SEIFA IRSAD Decile	5/10 (average)
Latitude	-27.4916194
Longitude	152.1662939
Distance from Brisbane	85 km
Region (SA4)	Toowoomba
Area (SA3)	Toowoomba
Local Government	Lockyer Valley
Federal Electorate	Wright

Age Profile

18.2%

31.8%

13.6%

0–14 (18.2%) 15–24 (0.0%) 25–44 (31.8%) 45–64 (0.0%) 65+ (13.6%)

Show counts

0–14 years	4 (18.2%)
15–24 years	0 (0.0%)
25–44 years	7 (31.8%)
45–64 years	0 (0.0%)
65+ years	3 (13.6%)

Housing Tenure

100.0%

Owned outright (0.0%) Mortgaged (100.0%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 5 of 10. Higher deciles indicate more advantage.

Motor Vehicles per Dwelling

No vehicle	0 (0.0%)
1 vehicle	0 (0.0%)
2 vehicles	4 (100.0%)
3+ vehicles	0 (0.0%)

Suburbs Near Seventeen Mile

Ringwood 6.9 km Helidon 7.6 km Vinegar Hill 8.3 km Upper Lockyer 8.5 km White Mountain 9.1 km Lockyer 9.3 km Helidon Spa 9.9 km Placid Hills 10.1 km Carpendale 10.6 km Buaraba South 10.7 km Grantham 10.7 km Palmtree 11.2 km

Same Postcode (4344)

Carpendale Egypt Flagstone Creek Helidon Helidon Spa Iredale Lilydale Lockyer Rockmount Silver Pinch Silver Ridge Stockyard Upper Flagstone

More Seventeen Mile Data

Lockyer Valley LGA 80 suburbs, 13 postcodes, 41,530 people Climate & Weather Closest station: Toowoomba (22.6 km) NDIS Providers NDIS data for Lockyer Valley LGA

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.