ATO Taxation Statistics 2023–24 edition

How to read the figures

Postcode ATO 2023–24

Mount Colah 2079 income

The median taxable income for Mount Colah postcode 2079 was $69,607 in 2023–24, and the average taxable income was $86,007 (ATO Table 8).

5,380 individuals; ranked 82 of 589 in NSW; ranked 250 of 2,283 nationally by median taxable income.

5,380

individuals, ATO 2023–24

ATO Table 8

$69,607

median taxable income, ATO 2023–24

ATO Table 8

$86,007

average taxable income, ATO 2023–24

ATO Table 8

82

state rank by median taxable income, ATO 2023–24

of 589

ATO Table 8

250

national rank by median taxable income, ATO 2023–24

of 2,283

ATO Table 8

Where it sits in NSW

Where Mount Colah 2079 sits among 589 NSW postcodes by median taxable income, ATO 2023–24
Where Mount Colah 2079 sits among 589 NSW postcodes by median taxable income, ATO 2023–24 0 50 100 150 This postcode: $69,607 $20,000 $40,000 $60,000 $80,000 $100,000 Median taxable income ($), ATO 2023–24

Vertical axis: Number of NSW postcodes. Horizontal axis: Median taxable income ($), ATO 2023–24, in bands of $5,000. The highlighted band holds this one.

Show data
Where Mount Colah 2079 sits among 589 NSW postcodes by median taxable income, ATO 2023–24
Band Number of NSW postcodes
$15,000 to $19,999 1
$20,000 to $24,999 0
$25,000 to $29,999 0
$30,000 to $34,999 4
$35,000 to $39,999 16
$40,000 to $44,999 42
$45,000 to $49,999 95
$50,000 to $54,999 102
$55,000 to $59,999 104
$60,000 to $64,999 83
$65,000 to $69,999 (includes this one) 64
$70,000 to $74,999 29
$75,000 to $79,999 17
$80,000 to $84,999 14
$85,000 to $89,999 12
$90,000 to $94,999 5
$95,000 to $99,999 1

ATO Table 8

Taxable income by year

Median and average taxable income by year, Mount Colah 2079, ATO 2023–24
Median and average taxable income by year, Mount Colah 2079, ATO 2023–24 $0 $20,000 $40,000 $60,000 $80,000 $100,000 10-year gap 2003–04 2013–14 2018–19 2023–24 Tax year

Vertical axis: Taxable income ($), ATO 2023–24. Horizontal axis: Tax year.

No years are published between 2003–04 and 2013–14.

  • median taxable income
  • average taxable income
Show data
Median and average taxable income by year, Mount Colah 2079, ATO 2023–24
Year median taxable incomeaverage taxable income
2003–04 $32,784$40,619
2013–14 $47,273$60,324
2014–15 $48,375$61,231
2015–16 $49,362$63,424
2016–17 $50,844$64,082
2017–18 $54,031$66,717
2018–19 $55,364$68,780
2019–20 $57,922$70,661
2020–21 $59,408$73,476
2021–22 $61,756$78,291
2022–23 $65,151$80,981
2023–24 $69,607$86,007

ATO Table 8

Taxable income by year, postcode 2079, ATO 2023–24
Yearindividualsmedian taxable incomeaverage taxable income
2003–044,539$32,784$40,619
2013–144,505$47,273$60,324
2014–154,535$48,375$61,231
2015–164,583$49,362$63,424
2016–174,603$50,844$64,082
2017–184,903$54,031$66,717
2018–195,033$55,364$68,780
2019–205,086$57,922$70,661
2020–215,003$59,408$73,476
2021–225,075$61,756$78,291
2022–235,275$65,151$80,981
2023–245,380$69,607$86,007

ATO Table 8

47.24%

ten-year growth in median taxable income, ATO 2023–24

from 2013–14 to 2023–24

ATO Table 8

Neighbouring postcodes

Postcodes that share a boundary with 2079, from ABS postal area boundaries (2021).

Median taxable income in 2079 and neighbouring postcodes, ATO 2023–24
Postcodemedian taxable incomestate rank by median taxable income
Turramurra 2074$71,76065
Mount Colah 2079$69,60782
Hornsby 2077$64,356152
Mount Kuring-Gai 2080$62,801175

ATO Table 8; boundaries from the ABS

Where it sits in Hornsby

Mount Colah 2079 ranks 2 of 13 postcodes in the Hornsby local government area by median taxable income (ATO 2023–24, Table 8).

A postcode is listed under every LGA that holds at least 25% of it, so one that crosses a council boundary appears in more than one list.

Postcodes in the Hornsby local government area by median taxable income, ATO 2023–24
Postcoderank in the LGA by median taxable incomemedian taxable income
Pennant Hills 21201$70,179
Mount Colah 20792$69,607
Wahroonga 207640% of this postcode is in the LGA3$69,375
Beecroft 211979% of this postcode is in the LGA4$69,356
Cherrybrook 21265$69,034
Berowra Heights 20826$67,829
Berowra 20817$66,847
Dural 215863% of this postcode is in the LGA8$66,354
Hornsby 20779$64,356
Mount Kuring-Gai 208010$62,801
Glenorie 215741% of this postcode is in the LGA11$60,919
Galston 215912$60,478
Brooklyn 208366% of this postcode is in the LGA13$58,575

ATO Table 8; LGA from the ABS postcode to LGA correspondence (2025)

Ranked next to it in NSW

Five postcodes above and five below in the same state, or fewer at either end of the ranking.

Postcodes ranked immediately above and below 2079 in NSW by median taxable income, ATO 2023–24
Postcodestate rank by median taxable incomemedian taxable income
Pennant Hills 212077$70,179
Springrange 261878$70,088
Gregory Hills 255779$69,869
Collaroy 209780$69,774
Menai 223481$69,740
Allambie Heights 210083$69,533
Baulkham Hills 215384$69,461
Bulli 251685$69,433
Wahroonga 207686$69,375
Beecroft 211987$69,356

ATO Table 8