Diddillibah vs Kiels Mountain
Kiels Mountain is the younger of the two, with a median age of 43 against 46 in Diddillibah. In both, the large majority of households own their home and the large majority of homes are detached houses. In Diddillibah, about half of households are couple families. In Kiels Mountain, most households are couple families. Houses cost more in Diddillibah: a median of $1.94 million, against $1.44 million in Kiels Mountain, though rent is higher in Kiels Mountain. On these figures, Diddillibah tends to suit people living alone, while Kiels Mountain suits couples and buyers on a tighter budget.
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
Kiels Mountain
ahead on 2 of the 6 things we measure here
- carries lower crime risk (26/100 vs 62/100)
- is already more of a family suburb (71% vs 60%)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Kiels Mountain
ahead on 2 of the 2 things we measure here
- leaves households under less mortgage stress (23% vs 36%)
- has cheaper houses ($1,437,500 vs $1,935,000)
Weighs house prices and mortgage stress.
Renters
Diddillibah
ahead on the one thing that separates them
- has cheaper rent ($330/wk vs $445/wk)
Weighs rent, rental stress, and how much is for rent.
Commuting to the city
Kiels Mountain
ahead on the one thing that separates them
- is more walkable (10/100 vs 0/100)
Weighs distance, drive time, and walkability.
Downsizers and retirees
Kiels Mountain
ahead on 2 of the 4 things we measure here
- is more walkable (10/100 vs 0/100)
- carries lower crime risk (26/100 vs 62/100)
Weighs who already lives there, GPs, walkability, and crime.
Investors
Diddillibah
ahead on the one thing that separates them
- is growing faster (21.4% vs 7.5%)
Weighs population growth.
Where they sit
Diddillibah and Kiels Mountain 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
Diddillibah has more residents (1,703 vs 714); Kiels Mountain has higher household incomes ($112,476 vs $74,048).
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Population | 1,703 +58% vs other | 714 |
| Population trend (2016 → 2021) | +21.4% | +7.5% |
| Median age | 46 | 43 |
| Median household income | $74,048/yr | $112,476/yr +52% vs other |
| Median weekly rent | $330/wk | $445/wk +35% vs other |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (17.0%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (20.2%).
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 (6.8%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Property market
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Median house price | $1,935,000 | $1,437,500 |
| Median unit price | $387,500 | — |
| Median land price | $1,950,000 | — |
| Typical days to sell (houses) | 27 days from 11 sales | 34 days from 5 sales |
Development activity
| Diddillibah | Kiels Mountain | |
|---|---|---|
| New dwellings approved | 2,962 across Sunshine Coast same for both | |
| Approvals change year on year | -41% same for both | |
Ranking within QLD
| Diddillibah | Kiels Mountain | |
|---|---|---|
| House price | — same for both | |
| Income | Higher than 44% of QLD | Higher than 84% of QLD |
| Schools | — same for both | |
| Walkability | Higher than 65% of QLD | Higher than 71% of QLD |
| Affordability | — same for both | |
| EV adoption | Higher than 80% of QLD same for both | |
| NBN connectivity | Higher than 76% of QLD | Higher than 83% of QLD |
Liveability
Kiels Mountain is more walkable (10 vs 0); Kiels Mountain scores higher overall (71 vs 49).
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Grade | C | A |
| Score | 49/100 | 71/100 |
| Socio-economic band | mid-range socio-economic decile 6/10 | very advantaged area decile 9/10 |
Risk profile
Diddillibah carries more crime risk (62 vs 26).
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Bushfire | None 0/100 same for both | |
| Crime | Moderate 62/100 | Low 26/100 |
| 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 | 1 within 5 km same for both | |
Schools
| Diddillibah | Kiels Mountain | |
|---|---|---|
| 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
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Cafes & restaurants | 1 | 0 |
| Parks & reserves | 1 same for both | |
| Fuel stations | 1 | 0 |
| Waterways | 2 | 0 |
Mobility
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Walkability score | 0/100 | 10/100 |
| Distance to Brisbane | 102.9 km | 101.9 km |
| Drive time (normal traffic) | 84 min same for both | |
| Electric vehicle share | 0.9% postcode 4559 same for both | |
| Rooftop solar per 100 dwellings | 83 postcode 4559 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 (77.3%).
Setting
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Elevation | 17 m above sea level, at the suburb centre | 101 m above sea level, at the suburb centre |
| Distance to the ocean | 4.9 km | 6.7 km |
NBN connectivity
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Connectivity score | 65/100 | 74/100 |
| Most common technology | Fibre to the node | Fibre to the premises |
| Full-fibre (FTTP) share | 37% 806 premises | 56% 282 premises |
Air quality (annual mean)
| Diddillibah | Kiels Mountain | |
|---|---|---|
| PM2.5 | 4.3 µg/m³ same for both | |
| PM10 | 12.3 µg/m³ same for both | |
| NO₂ | — same for both | |
Council rates
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Average residential rate | $1,690/yr same for both | |
| Council | Sunshine Coast same for both | |
Federal electorate
| Diddillibah | Kiels Mountain | |
|---|---|---|
| Division | Fairfax same for both | |
| Member | Ted O'Brien same for both | |
| Party | Liberal National Party of Queensland same for both | |
First Home Owner Grant
| Diddillibah | Kiels Mountain | |
|---|---|---|
| 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 Diddillibah
Other comparisons with Kiels Mountain
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.