Glen Allyn vs Topaz
Topaz is the younger of the two, with a median age of 47 against 52 in Glen Allyn. In both, most households own their home and the large majority of homes are detached houses. In Glen Allyn, about half of households are couple families.
Which one suits you?
There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.
Families with school-age kids
Topaz
ahead on the one thing that separates them
- has more parks and reserves (19 vs 0)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Too close to call
Nothing among the 1 things we measure here separates them by enough to be worth acting on.
Weighs mortgage stress.
Renters
They split
one each way, out of the 3 things we measure here
- Glen Allyn has a bigger rental market to choose from (32% vs 15%)
- Topaz has cheaper rent ($250/wk vs $298/wk)
Weighs rent, rental stress, and how much is for rent.
Commuting to the city
Glen Allyn
ahead on 2 of the 3 things we measure here
- has a shorter drive in (1169 min vs 1185 min)
- sits closer to the CBD (1694 km vs 1705.4 km)
Weighs distance, drive time, and walkability.
Downsizers and retirees
Too close to call
Nothing among the 4 things we measure here separates them by enough to be worth acting on.
Weighs who already lives there, GPs, walkability, and crime.
Investors
Topaz
ahead on the one thing that separates them
- is growing faster (7.3% vs -30.6%)
Weighs population growth.
Where they sit
Glen Allyn and Topaz drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.
Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.
Side by side, out of 100
Risks are inverted — shown as safety and low exposure — so a longer bar always means better.
Demographics
Topaz has more residents (177 vs 109); Glen Allyn has higher household incomes ($71,500 vs $55,224).
| Glen Allyn | Topaz | |
|---|---|---|
| Population | 109 | 177 +62% vs other |
| Population trend (2016 → 2021) | -30.6% | +7.3% |
| Median age | 52 | 47 |
| Median household income | $71,500/yr +23% vs other | $55,224/yr |
| Median weekly rent | $298/wk +16% vs other | $250/wk |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (21.1%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
Where residents were born
Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.
Bars are drawn against the largest share shown (4.5%).
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (17.5%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Development activity
| Glen Allyn | Topaz | |
|---|---|---|
| New dwellings approved | 167 across Tablelands same for both | |
| Approvals change year on year | -80% same for both | |
Ranking within QLD
| Glen Allyn | Topaz | |
|---|---|---|
| House price | — same for both | |
| Income | Higher than 40% of QLD | Higher than 17% of QLD |
| Schools | — same for both | |
| Walkability | Higher than 42% of QLD | Higher than 27% of QLD |
| Affordability | — same for both | |
| EV adoption | Higher than 51% of QLD same for both | |
| NBN connectivity | Higher than 59% of QLD | Higher than 28% of QLD |
Liveability
| Glen Allyn | Topaz | |
|---|---|---|
| Grade | — same for both | |
| Score | — same for both | |
| Socio-economic band | mid-range socio-economic decile 5/10 same for both | |
Risk profile
| Glen Allyn | Topaz | |
|---|---|---|
| Bushfire | None 0/100 same for both | |
| Crime | Moderate 60/100 | Moderate 51/100 |
| Flood | Not mapped no mapped data here same for both | |
| Coastal erosion | None 0/100 same for both | |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 0 within 5 km same for both | |
Schools
| Glen Allyn | Topaz | |
|---|---|---|
| Inside the suburb | 0 same for both | |
| Rated above peers | 0 same for both | |
| Rated at peers | 0 same for both | |
| Rated below peers | 0 same for both | |
Amenities in the suburb
| Glen Allyn | Topaz | |
|---|---|---|
| Parks & reserves | 0 | 19 |
| Waterways | 8 | 3 |
Mobility
Topaz sits further from the CBD (1705.4 km vs 1694 km).
| Glen Allyn | Topaz | |
|---|---|---|
| Walkability score | 0/100 same for both | |
| Distance to Brisbane | 1694 km | 1705.4 km |
| Drive time (normal traffic) | 1169 min | 1185 min |
| Electric vehicle share | 0.3% postcode 4885 same for both | |
| Rooftop solar per 100 dwellings | 60 postcode 4885 same for both | |
How people get to work
Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.
Bars are drawn against the largest share shown (72.3%).
Setting
| Glen Allyn | Topaz | |
|---|---|---|
| Elevation | 741 m above sea level, at the suburb centre | 685 m above sea level, at the suburb centre |
| Distance to the ocean | 34.3 km | 32.3 km |
NBN connectivity
| Glen Allyn | Topaz | |
|---|---|---|
| Connectivity score | 30/100 | 21/100 |
| Most common technology | Fixed wireless | Satellite (Sky Muster) |
| Full-fibre (FTTP) share | 0% 69 premises | 0% 83 premises |
Climate
| Glen Allyn | Topaz | |
|---|---|---|
| Annual rainfall | 1,114 mm | 3,531 mm |
| Summer max (Jan) | 30.3°C | 31.2°C |
| Winter min (Jul) | 13.8°C | 17.0°C |
Council rates
| Glen Allyn | Topaz | |
|---|---|---|
| Average residential rate | $1,609/yr same for both | |
| Council | Tablelands same for both | |
Federal electorate
| Glen Allyn | Topaz | |
|---|---|---|
| Division | Kennedy same for both | |
| Member | Bob Katter same for both | |
| Party | Katter's Australian Party (KAP) same for both | |
First Home Owner Grant
| Glen Allyn | Topaz | |
|---|---|---|
| Grant amount | $30,000 same for both | |
| Property price cap | $750,000 same for both | |
| Eligibility | New same for both | |
Tags
More comparisons
Other comparisons with Glen Allyn
Other comparisons with Topaz
Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.