Thornhill Park
VICThornhill Park is a growing suburb in VIC with 3,066 residents.
- SAL code
- 22509
- SA2
- 213041359
- Population
- 3,066
- LGA
- Melton
Thornhill Park, VIC had 3,066 residents at the 2021 Census, with the broader statistical area showing a 168.8% growth over the last five years. The predominant age group is 25-34 years, and the median age sits at 29. Households are most often couples with children, and those with a mortgage repay a median of $1,950 a month. Around 74.4% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 69.4%. Most dwellings are separate houses, making up 97.3% of the suburb's housing stock. The suburb has 22 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?3,066
Suburb · Census 2021
5-Year Growth
+168.8%
3yr: +56.8% · 10yr: +1077.9%
SA2 · 5yr
Household Income
$2,005/wk
Suburb · Census 2021 median
Median Age
29
Suburb · Census 2021
Socio-Economic Index
?7/10
SA2 · middle-range
Unemployment
?5.4%
SA4 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?7
5 long day, 2 OSHC
Parks & green space
?22
Parks, reserves
Transport stops
No data for this suburb
Dwelling approvals
?434
Melton · Feb 2026
Median House Sale Price
Source: Valuer-General Victoria (suburb-level quarterly medians).
→ Calculate stamp duty on this suburb's median price→ Estimate mortgage repayments
Safety & Crime
2025 Q4Reported incidents from VIC police. Offence rates may not reflect all crime.
Population over time — Rockbank - Mount Cottrell (SA2)
ABS publishes annual estimates only at SA2; Thornhill Park suburb alone is ~3,066 (Census 2021).
Growth at a Glance
Population grew from 1,760 to 35,856 over 24 years, averaging 13.4% per year.
Schools
1 in suburbGovernment school catchment
Catchment data is not yet available for VIC.
Source when available: Victorian Department of Education / Vicmap School Zones.
Profile
Census snapshot
Housing
Almost entirely detached houses (97.3%), owner-occupied (74%), built for families (66% are 4 bed).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Bushfire
Source: VIC DTP Designated Bushfire Prone Area
As of Apr 2026
Flood
Hazard data is not yet available for this state.
Overlap is the percentage of the suburb's land area inside the mapped hazard polygons. Always verify the exact property address with the relevant authority before making decisions.
Planning zones
6 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| UGZ3 | UGZ3Other | 33.0% | 3.15 km² |
| UGZ7 | UGZ7Other | 27.5% | 2.63 km² |
| UGZ8 | UGZ8Other | 20.6% | 1.97 km² |
| UGZ | UGZOther | 14.8% | 1.41 km² |
| TRZ2 | TRZ2Other | 2.3% | 0.22 km² |
| TRZ1 | TRZ1Other | 1.8% | 0.17 km² |
Source: VIC DTP Vicmap Planning Zones (ZONE_VIC/2026-04-29/08783d2926383881) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.