Seaton SA

Postcode 5023 · Charles Sturt LGA

Seaton is a well-established suburb in South Australia within the Charles Sturt local government area (postcode 5023). With a population of 10,877, the suburb has an established demographic with a median age of 40. Households earn a median income of $68K per year, with an average household size of 2.3 people. The most common occupations are professionals, clerical & administrative, technicians & trades. The top ancestries reported are English, Australian, Italian.

The median house price in Seaton is $1.1 million, having surged 24.7% over the past year. Units have a median price of $655,000 (+21.2% YoY). The current median weekly rent is $575. This gives a gross rental yield of approximately 2.7%. The median monthly mortgage repayment is $1,700.

Seaton is served by 2 schools, including 1 primary, 1 secondary. The average ICSEA score is 1000, which is around the national average of 1,000. Public transport access includes 1 rail station, 48 bus stops. The crime rate in the Charles Sturt LGA is moderate at 5,673 incidents per 100,000 population.

From an investment perspective, Seaton offers a gross rental yield of 2.7%, rated as low yield. Property prices are near the state median ($1.1M/$950K). The price-to-income ratio of 16.3x is considered stretched. House prices have moved +24.7% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.7% Low Yield
Price vs State$1.1M/$950K Near Median
Affordability16.3x Stretched
Price Momentum+24.7% Rising
INCOME (ATO 2022-23)
Median Income$59,226
Mean Income$69,077
Earners11,295
YoY Change+5.9%
SEIFA INDEX (ABS)
Advantage3/10
Education4/10
Economic2/10
Disadvantage3/10
MEDIAN HOUSE
$1.1M
24.7% YoY
MEDIAN UNIT
$655K
21.2% YoY
MEDIAN RENT /WK
$310
POPULATION
10,877
DEMOGRAPHICS
Median Age40
Household Size2.3
HH Income /wk$1,300
Personal Income /wk$696
Mortgage /mth$1,700
CRIME (Charles Sturt LGA)
Crime Rate (per 100k)5,673
Total Incidents617
TRANSPORT
Rail Stations1
Bus Stops48
Seaton Park Railway Station
SCHOOLS (2)
Avg ICSEA1000
Total Students1,066
Government2
Seaton High SchoolSecondary · Government · ICSEA 1001
Seaton Park Primary SchoolPrimary · Government · ICSEA 999
Data: 2025-Q4