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ABS 2021 Census · Updated 21 May 2026
Kilkenny is a well-established middle-ring suburb of Adelaide, Australia, with a population of approximately 1,846, making it a boutique locality. Located approximately 7 km from the Adelaide CBD, Kilkenny is a middle ring area in South Australia. The median household income is $72,748 per year.
Moderate income levels in Kilkenny indicate steady rental demand from working households. Close CBD access strengthens tenant appeal and resale value.
Official Australia Post postcode for Kilkenny. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at the most recent census.
Weekly median rent for occupied homes. Live rental data integration coming soon.
Annual median household income (before tax) across all households.
Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 1 school within or near this suburb.
Find schools near Kilkenny on My School →Estimated 1 park and green spaces near this suburb.
Monthly median mortgage repayment for households currently paying off a mortgage.
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
Kilkenny is a smaller community of 1,846 — about 50% of the South Australia suburb median (3,699) — so investors should factor in the narrower buyer pool and longer average time-on-market. Household income of $72,748/year is 10% below the South Australia median of $80,964, typically translating into lower entry prices and a tenant base more sensitive to rent increases. Median weekly rent of $320 equates to $1,387/month — about 91% of the median mortgage repayment of $1,517/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 7 km from the Adelaide CBD, Kilkenny sits inside the high-demand inner ring — properties here compete directly with the city's employment, transport and amenity networks.
How Kilkenny stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Kilkenny sits above the state median; negative means below.
| Metric | Kilkenny | SA median | Δ vs state |
|---|---|---|---|
| Population | 1,846 | 3,699 | -50% |
| Median household income | $72,748/yr | $80,964/yr | -10% |
| Median rent (weekly) | $320 | $320 | 0% |
| Median mortgage (monthly) | $1,517 | $1,616 | -6% |
| Distance to CBD | 7 km | 13 km | -46% |
| Separate houses | 62% | 73% | -11pp |
Pre-inspection briefing for Kilkenny — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 1,846 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Strong rental coverage: $320/week (~$1,387/month) covers 91% of the $1,517/month median mortgage repayment, so the shortfall sits at just $130/month. Investors targeting positive cash flow should shortlist this suburb.
Only 62% of dwellings are separate houses (vs 73% SA median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Run the numbers on a Kilkenny property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Kilkenny are modest for 2026 — incomes 10% below the SA median of $80,964 and a population of 1,846 suggest gains will lag headline metro markets. Rental coverage runs at ~91% of the typical mortgage ($1,387/month rent vs $1,517/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 51/100 places Kilkenny in the mid tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Kilkenny scores 51/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 1,846, median household income of $72,748/year and median weekly rent of $320. Whether it fits your portfolio depends on whether you are targeting cash flow, capital growth, or a value-add renovation — all three are scored with suburb-specific numbers elsewhere on this page.
The main demand drivers in Kilkenny are proximity to Adelaide (7 km), a median household income of $72,748/year, a dwelling mix that is 62% separate houses, roughly 1 schools and 1 parks within the catchment. Together these shape both owner-occupier and tenant demand and are the factors we weight most heavily in the suburb's investment score.
Kilkenny has a usual resident population of approximately 1,846, compared with a South Australia suburb median of 3,699 — placing it in the lower half of the state's suburbs by size. Population is the clearest proxy for market depth: more residents mean more transactions and typically a shorter average days-on-market on resale.
Kilkenny sits 7 km straight-line from the Adelaide CBD. This is inner-ring territory — pricing competes directly with established Adelaide employment nodes.
The most recent census recorded a median weekly rent of $320 in Kilkenny, equating to approximately $16,640/year in gross rental income (state median $320/week). Market rents have typically drifted above the recorded figure — verify against current listings on realestate.com.au and Domain before making an offer.
The median monthly mortgage repayment in Kilkenny is $1,517, or approximately $18,204/year (vs $1,616/month state median). Stress-test your own borrowing at rates 1–2 percentage points above today's to make sure you can still service the loan through an RBA tightening cycle.
A median weekly rent of $320 works out to $1,387/month, covering 91% of the median mortgage repayment of $1,517/month. That leaves a $130/month shortfall (around $1,560/year before tax benefits), so a typical owner-occupier-priced property here is negatively geared. Actual cash flow depends on your deposit, loan terms, ownership costs and marginal tax rate — run the full numbers in our rental yield calculator.
The main risks are a thin buyer pool (1,846 residents), interest-rate sensitivity on the $1,517 median mortgage, the broader South Australia market cycle. Each of these is covered in the Risk Factors section above with suburb-specific numbers rather than generic warnings.
Every number on this page comes from the ABS 2021 Census of Population and Housing, Australia Post postcode reference data, and OpenStreetMap amenity tiles. The investment score, strategy verdicts, and comparison table are computed deterministically from those inputs — no opinion, no estimation. See our full methodology and the data sources and licences for the formulas we use.