Franchise opportunities in Seaton - Grange, SA
Top 3 recommended franchise categories
2. Home & Trade Services
623. Quick-Service Food
61Seaton - Grange snapshot
| Metric | Seaton - Grange | State avg | Difference |
|---|---|---|---|
| Population | 17,667 | 18,402 | -4% |
| Median household income | $74,100 | $79,909 | -7% |
| 5-year population growth | 5.1% | 5.4% | -0.3 pts |
Community & demographics
Who lives in Seaton - Grange, and what it means for a franchise. Every figure below is a real ABS Census 2021 median for this area, not an estimate.
| Measure | Seaton - Grange | What it signals for franchising |
|---|---|---|
| Median age | 43 years | Broad working-age and family customer base |
| Average household size | 2.3 people | Smaller households, favours convenience and single-serve formats |
| Median household income | $1,425/wk | Overall spending power of the local market |
| Median family income | $1,958/wk | Discretionary spend of family households |
| Median personal income | $747/wk | Individual earnings, a labour-cost and spend signal |
| Median rent | $320/wk | Cost of living and a proxy for commercial rents |
| Median mortgage | $1,733/mo | Homeowner cost base in the area |
| People per bedroom | 0.8 | More space per resident, established housing |
Source: ABS Census 2021 G02 + ERP 2016→2021 · SA2 Seaton - Grange (404011095). Incomes are median weekly (household income is also shown annualised in the headline stats).
Survival & viability analysis
Retail viability: High
The retail opportunity in Seaton - Grange scores 63 out of 100. With a population of 17,667, the catchment is smaller, so demand may support only one well-sited retail outlet. At about 1 existing retail operator, competition sits below typical metro density, an opening for a well-run entrant. Median household income ($74,100) sits below the state average ($79,909), which can favour value-led formats.
Nearby competition by category
| Category | Est. operators | Competition | Status |
|---|---|---|---|
| Retail | 1 | Low | Gap |
| Home & Trade Services | 1 | Low | Gap |
| B2B Services | 1 | Low | Gap |
| Beauty & Health | 1 | Low | Gap |
| Lawn & Garden | 1 | Low | Gap |
| Mortgage & Finance | 1 | Low | Gap |
Operator counts are a trade-area model derived from ABS population, not a live business census. Richer POI data (OpenStreetMap / Google Places) is ingested per methodology.
Available franchise opportunities in Seaton - Grange
Beaumont Tiles
Beds R Us
Jim's Antennas
Jim's Bathrooms
Crust Gourmet Pizza
Hero Sushi
How Seaton - Grange compares to nearby areas
| Location | Population | Median income | 5-yr growth | Top category | Score |
|---|---|---|---|---|---|
| Seaton - Grange | 17,667 | $74,100 | 5.1% | Retail | 63 |
| Hope Valley - Modbury | 17,677 | $68,300 | 5.8% | Retail | 62 |
| Goodwood - Millswood | 17,818 | $104,100 | -1.6% | Retail | 65 |
| Paralowie | 18,061 | $75,800 | 6.3% | Home & Trade Services | 64 |
| Richmond (SA) | 17,252 | $80,900 | 1.6% | Retail | 61 |
| Aldgate - Stirling | 18,404 | $119,400 | 2.4% | Home & Trade Services | 73 |
| Northgate - Northfield | 18,449 | $91,500 | 21.2% | Quick-Service Food | 73 |
Keep exploring Seaton - Grange & South Australia
By category in Seaton - Grange
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Frequently asked questions
What franchise is best for Seaton - Grange?
Based on population, income, growth and competition data, Retail scores highest for Seaton - Grange at 63/100, competition sits below typical metro density. The next best are Home & Trade Services and Quick-Service Food.
How much does a franchise cost in Seaton - Grange?
Fees don't vary by suburb, Retail franchises run $180,000–$600,000 all-in nationally (Q2 2026 Fee Index, n=132). See the Fee Index for the full breakdown.
Is Seaton - Grange good for a coffee franchise?
It's promising: a coffee & café franchise scores 50/100 in Seaton - Grange, with about 3 existing operators in the trade area (Moderate suitability).
Demographics: ABS Census 2021 & Regional Population. Category scores combine ABS demographics with a trade-area competition model and live franchise availability, see methodology. Fees: Q2 2026 Fee Index.