There are 758 lone-person households in Blackheath, New South Wales, according to the 2021 ABS Census. That's 35.8% of the 2,120 households in the suburb. The median monthly mortgage repayment is $1,733 — a clear signal of an owner-occupier cohort. Median age is 53, above the national median of 38.
Source: ABS 2021 Census of Population and Housing · SAL SAL10392
Blackheath has a median age of 53, well above the national 38. Lone-person households here often belong to long-term residents — people who raised families in the same home and stayed after partners moved on or passed away. The cohort is settled, not transient.
35.8% of households in Blackheath are lone-person — well above the 25.6% national figure. That density matters: there are simply more single neighbours within walking distance than in a family-dominated suburb.
The median monthly mortgage repayment in Blackheath is $1,733. That number reflects current homeowners — people actively paying off the place they live in. A higher median typically points to a suburb where ownership is the dominant tenure, particularly among working-age residents.
35.2% of residents aged 15+ in Blackheath have never been married. That sits at the upper end of the AU distribution and forms a significant share of the local single-and-settled population.
National dating apps drop you into a pool of strangers from three states. Doorstep flips that — every member is anchored to a single suburb, so you only see the people who actually live in Blackheath. Photos stay blurred until you knock. It's how dating used to work before the apps stretched everyone thin.
Doorstep is a dating and community app built suburb-by-suburb. When you join, you're anchored to Blackheath — you see the homeowners who actually live here, not strangers in another state.
On the People Map, everyone shows as an identical neutral pin — no photos, no avatars, nothing that lets you sort by looks. To learn anything about a neighbour you have to tap their pin, and when you do, you're forced to choose an action (knock, wave, or ring) before you see them. It's a fair go for everyone — looks come second, by design.
And it's homeowners only: no transient matches, no people halfway out the door.
Beyond dating, Blackheath gets its own community board — a place to ask which tradie to use, swap garden cuttings, or find a reno buddy.
We're rolling out suburb-by-suburb. Drop your email and we'll let you know the moment Doorstep opens in Blackheath.