Mount Saint Thomas

NSW

Mount Saint Thomas is a growing suburb in NSW with 1,449 residents.

SAL code: 12802
SA2: 107041549
Population: 1,449
LGA: Wollongong

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Mount Saint Thomas suburb boundary

Mount Saint Thomas, NSW had 1,449 residents at the 2021 Census, with the broader statistical area showing a 3.1% growth over the last five years. The predominant age group is 35-44 years, and the median age sits at 37. Households are most often couples with children, and those with a mortgage repay a median of $2,167 a month. Around 72.5% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 43.5%. Most dwellings are separate houses, making up 92.9% of the suburb's housing stock. The suburb has 1 park or reserve mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.

Population

1,449

Suburb · Census 2021

5-Year Growth

+3.1%

3yr: +4.8% · 10yr: +3.2%

SA2 · 5yr

Household Income

$1,835/wk

Suburb · Census 2021 median

Median Age

Suburb · Census 2021

Socio-Economic Index

4/10

SA2 · middle-range

Unemployment

8.1%

SA4 · Q4 2025

Hospitals

Not available

No data for this suburb

Childcare services

1 long day

Parks & green space

Parks, reserves

Transport stops

GTFS stops

Dwelling approvals

Wollongong · Feb 2026

Median Weekly Rent

$650/wk+1.6% YoY2026 Q1

Postcode-level

Based on NSW rental bond lodgements, aggregated at postcode level. All SALs sharing this postcode show the same median.

Median House Sale Price

$945,000+8.6% YoY2025 Q3

House only

Source: state Valuer-General (suburb-level quarterly medians).

→ Calculate stamp duty on this suburb's median price → Estimate mortgage repayments → Calculate rental yield (price + median rent)

Safety & Crime

2025 Q4

per 1,000 residents

↑ 25%

vs prior year

Other

9 offences

Reported incidents from NSW police. Offence rates may not reflect all crime.

Population over time — Wollongong - West (SA2)

ABS publishes annual estimates only at SA2; Mount Saint Thomas suburb alone is ~1,449 (Census 2021).

Growth at a Glance

3yr: +4.8%5yr: +3.1%10yr: +3.2%Total: +18.7%

Population grew from 14,827 to 17,595 over 24 years, averaging 0.7% per year.

Government school catchment

Intake zone

Primary

Mt St Thomas PS89.5%

Coniston PS 10.5%
Figtree PS 0.1%

Secondary

Figtree HS89.5%

Keira HS 10.5%

Source: NSW Department of Education — School Intake Zones. Boundaries can be amended without notice; confirm with the school before relying on enrolment.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 12.4%

Almost entirely detached houses (92.9%), owner-occupied (73%), built for families (51% are 3 bed).

Dwelling mix

Houses 93%

507 houses36 townhouses3 apartments

Tenure

Owned 29%

Mortgage 44%

Renting 28%

Number of bedrooms

1 bed

3 (0.6%)

2 bed

141 (26.2%)

3 bed

276 (51.2%)

4 bed

95 (17.6%)

5 bed

24 (4.5%)

6+ bed

0 (0.0%)

Bushfire & flood risk

Hazard data is not yet available for NSW.

Source when available: NSW Rural Fire Service (BFPL) and NSW DPHI EPI Flood.

Planning zones

5 zones in suburb

Code	Zone	% covered	Area
R2	ZoneResidential	83.8%	0.45 km²
SP2	ZoneSpecial use	13.6%	0.07 km²
RE1	ZoneRecreation	2.1%	0.01 km²
C3	ZoneEnvironmental	0.4%	2,157 m²
R3	ZoneResidential	0.2%	912 m²

Source: NSW DPHI EPI Land Zoning (ZONE_NSW/2026-04-29/1eccf1a530fa1be5) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.