Undullah, QLD
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 24
- Median age
- 37
- Household income
- $3,999/wk
- Owner-occupied
- 27%
- Renting
- 0%
- Socio-economic advantage
- Decile 8/10 in QLD
- Nearest train station
- Springfield Central Station · 20.9 km
- Nearest emergency dept
- Ipswich Hospital · 27.1 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
School catchments (suburb centre)
Junior secondary
Flagstone State Community College
Primary
Flagstone SS
Senior secondary
Flagstone State Community College
Zones at the suburb's address centroid — individual addresses can differ; check any address on PropertyCheck for its exact zones. Source: state education departments (CC BY).
Growth & supply · Flagstone (West) - New Beith
District population (2025)
13,360
+99% over 10 years
New homes approved (12 mths to May 2026)
510
houses 506 · other 4
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Check any address in Undullah
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All figures from official open data with attribution; estimates and medians are statistical outputs, not valuations. Suburb boundaries follow ABS Suburbs and Localities (SAL) 2021.