Blackwater Postcode

Queensland

Outer Regional Bottom 20% SEIFA Above QLD income
4717
Postcode for Blackwater, QLD
Phone area code: 07 · 600 km from Brisbane · Pop. 4,702
4,702
Population
31
Median Age
$2,358
Household Income/wk
$220
Median Rent/wk
2/10
SEIFA Advantage
657.3
Area (km²)

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

Where Blackwater ranks: household income is in the top 10% of QLD suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How Blackwater Compares

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

MetricBlackwaterQLD avgAU avg
Household income/wk $2,358 +QLD $1,770 $1,836
Rent/wk $220 -QLD $380 $390
Mortgage/month $1,083 -QLD $1,774 $1,958
Median age 31 44.0 45.0
SEIFA decile 2/10 -QLD 4.0/10 6.0/10
Unemployment 5.0% -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.

Blackwater is a locality 600 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4717. It falls within the Central Queensland region. The local government area is Central Highlands (Qld).

According to the 2021 Census, Blackwater has a population of 4,702 with a median age of 31. The median weekly household income is $2,358, above the QLD average. The unemployment rate is 5.0%, lower than the QLD average. The Indigenous population is 456 (9.7% of residents).

Housing in Blackwater includes a median weekly rent of $220, median monthly mortgage repayment of $1,083, with 1,492 total dwellings. Housing costs in the area sit below the QLD average. Rental properties account for 64.7% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blackwater scores in decile 2 out of 10, which is well below the national average.

Schools in Blackwater include Blackwater North State School, Blackwater State High School and Blackwater State School.

Blackwater is part of the Central Highlands (Qld) statistical area in Queensland.

Blackwater Details

Postcode4717
StateQueensland (QLD)
Phone Area Code07
Population (2021)4,702
Median Age31 years
Median Household Income (Census 2021)$2,358/week
Median Personal Income (Census 2021)$1,268/week
Median Weekly Rent (Census 2021)$220
Median Monthly Mortgage (Census 2021)$1,083
Average Household Size2.6 persons
Area657.3 km²
Population Density7/km²
Total Dwellings1,492
Australian Citizens77.9%
Indigenous Population456 (9.7%)
Unemployment Rate5.0%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-23.5831866
Longitude148.8799357
Distance from Brisbane600 km
Region (SA4)Central Queensland
Area (SA3)Central Highlands (Qld)
Local GovernmentCentral Highlands (Qld)
Federal ElectorateFlynn

Age Profile

0–14 (23.3%) 15–24 (14.0%) 25–44 (35.2%) 45–64 (22.5%) 65+ (4.6%)
Show counts
0–14 years1,097 (23.3%)
15–24 years660 (14.0%)
25–44 years1,654 (35.2%)
45–64 years1,060 (22.5%)
65+ years218 (4.6%)

Housing Tenure

Owned outright (11.3%) Mortgaged (24.0%) Rented (64.7%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma384 (8.2%)
Arthritis188 (4.0%)
Diabetes145 (3.1%)
Heart Disease86 (1.8%)
Lung Condition65 (1.4%)
Cancer65 (1.4%)
Dementia8 (0.2%)

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

Motor Vehicles per Dwelling

No vehicle69 (4.8%)
1 vehicle466 (32.2%)
2 vehicles576 (39.8%)
3+ vehicles338 (23.3%)

Schools in Blackwater

Blackwater North State School
Primary · Gov · ICSEA 916 · 446 students
Blackwater State High School
Secondary · Gov · ICSEA 880 · 307 students
Blackwater State School
Primary · Gov · ICSEA 785 · 127 students

Suburbs Near Blackwater

More Blackwater 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.