Broken River Postcode

Queensland

Outer Regional Bottom 20% SEIFA

4757

Postcode for Broken River, QLD
Phone area code: 07 · 837 km from Brisbane · Pop. 18

Population

Median Age

$1,437

Household Income/wk

$84

Median Rent/wk

1/10

SEIFA Advantage

5.6

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 Broken River ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Broken River Compares

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

Metric	Broken River	QLD avg	AU avg
Household income/wk	$1,437 -QLD	$1,770	$1,836
Rent/wk	$84 -QLD	$380	$390
Mortgage/month	$9,999 +QLD	$1,774	$1,958
Median age	47	44.0	45.0
SEIFA decile	1/10 -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.

Broken River is a locality 837 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4757. It falls within the Mackay - Isaac - Whitsunday region. The local government area is Mackay.

According to the 2021 Census, Broken River has a population of 18 with a median age of 47. The median weekly household income is $1,437, below the QLD average.

Housing in Broken River includes a median weekly rent of $84, median monthly mortgage repayment of $9,999, with 3 total dwellings. These housing costs sit above the QLD average. Rental properties account for 100.0% of dwellings.

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

Broken River is part of the Mackay statistical area in Queensland.

Broken River Details

Postcode	4757
State	Queensland (QLD)
Phone Area Code	07
Population (2021)	18
Median Age	47 years
Median Household Income (Census 2021)	$1,437/week
Median Personal Income (Census 2021)	$450/week
Median Weekly Rent (Census 2021)	$84
Median Monthly Mortgage (Census 2021)	$9,999
Average Household Size	2.3 persons
Area	5.6 km²
Population Density	3/km²
Total Dwellings	3
Australian Citizens	77.8%
Unemployment Rate	0.0%
SEIFA IRSAD Decile	1/10 (well below average)
Latitude	-21.1645705
Longitude	148.5058262
Distance from Brisbane	837 km
Region (SA4)	Mackay - Isaac - Whitsunday
Area (SA3)	Mackay
Local Government	Mackay
Federal Electorate	Capricornia

Age Profile

22.2%

33.3%

38.9%

0–14 (0.0%) 15–24 (22.2%) 25–44 (33.3%) 45–64 (38.9%) 65+ (0.0%)

Show counts

0–14 years	0 (0.0%)
15–24 years	4 (22.2%)
25–44 years	6 (33.3%)
45–64 years	7 (38.9%)
65+ years	0 (0.0%)

Housing Tenure

100.0%

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

SEIFA Socio-economic Index

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

Suburbs Near Broken River

Netherdale 3.7 km Eungella 4.4 km Crediton 5.4 km Eungella Dam 10.9 km Dalrymple Heights 13.2 km Finch Hatton 13.7 km Pinnacle 19.6 km Owens Creek 21.9 km Gargett 24.6 km Dows Creek 27.2 km Septimus 27.3 km Eungella Hinterland 28.2 km

Same Postcode (4757)

Crediton Dalrymple Heights Eungella Eungella Dam

More Broken River Data

Mackay LGA 123 suburbs, 17 postcodes, 115,681 people Climate & Weather Closest station: Mackay (71.0 km) NDIS Providers NDIS data for Mackay 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.