Seaton (SA)
SASeaton (SA) is a growing suburb in SA with 10,877 residents.
- SAL code
- 41320
- SA2
- 404011095
- Population
- 10,877
Seaton (SA), SA had 10,877 residents at the 2021 Census, with the broader statistical area showing a 4.4% growth over the last five years. The predominant age group is 25-34 years, and the median age sits at 40. Households are most often couples with children, and those with a mortgage repay a median of $1,700 a month. Around 62.9% of homes are owner-occupied, with the largest single tenure being rented at 37.1%. Most dwellings are separate houses, making up 66.7% of the suburb's housing stock. The suburb has 16 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?10,877
Suburb · Census 2021
5-Year Growth
+4.4%
3yr: +3.8% · 10yr: +10.4%
SA2 · 5yr
Household Income
$1,300/wk
Suburb · Census 2021 median
Median Age
40
Suburb · Census 2021
Socio-Economic Index
?4/10
SA2 · middle-range
Unemployment
?3.5%
SA4 · Q4 2025
Schools
5
1 primary, 1 secondary
Hospitals
No data for this suburb
Childcare services
?3
2 long day
Parks & green space
?16
Parks, reserves
Transport stops
?32
GTFS stops
Dwelling approvals
No data for this suburb
Median House Sale Price
Source: state Valuer-General (suburb-level quarterly medians).
→ Calculate stamp duty on this suburb's median price→ Estimate mortgage repayments
Safety & Crime
2025 Q4Reported incidents from SA police. Offence rates may not reflect all crime.
Population over time — Seaton - Grange (SA2)
ABS publishes annual estimates only at SA2; Seaton (SA) suburb alone is ~10,877 (Census 2021).
Growth at a Glance
Population grew from 15,300 to 18,429 over 24 years, averaging 0.8% per year.
Schools
5 in suburbGovernment school catchment
Intake zonePrimary
Woodville Primary School
Secondary
Seaton High School65.5%
- Findon High School 34.5%
Source: SA Department for Education — School Zones (primary + high). Boundaries can be amended without notice; confirm with the school before relying on enrolment.
Profile
Census snapshot
Housing
Public housing 9.3%Predominantly detached houses (66.7%), mixed tenure (63% own or mortgage), built for families (60% are 3 bed).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Bushfire
Hazard data is not yet available for this state.
Flood
Source: SA DEW Flood Mapping
As of May 2026
Overlap is the percentage of the suburb's land area inside the mapped hazard polygons. Always verify the exact property address with the relevant authority before making decisions.
Planning zones
7 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| GENERAL_NEIGHBOURHOOD | General NeighbourhoodResidential | 73.1% | 3.35 km² |
| RECREATION | RecreationRecreation | 15.4% | 0.71 km² |
| URBAN_RENEWAL_NEIGHBOURHOOD | Urban Renewal NeighbourhoodResidential | 8.9% | 0.41 km² |
| URBAN_NEIGHBOURHOOD | Urban NeighbourhoodResidential | 1.1% | 0.05 km² |
| SUBURBAN_BUSINESS | Suburban BusinessBusiness | 0.7% | 0.03 km² |
| LOCAL_ACTIVITY_CENTRE | Local Activity CentreBusiness | 0.4% | 0.02 km² |
| HOUSING_DIVERSITY_NEIGHBOURHOOD | Housing Diversity NeighbourhoodResidential | 0.3% | 0.02 km² |
Source: SA Planning and Design Code Zones (ZONE_SA/2026-04-30/7965b1556505eb71) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.