Seaview Downs, SA: suburb profile
The population of Seaview Downs SA is 2,718 according to the 2021 Census. The median personal income in Seaview Downs is $796 per week ($41,392 per year). Median rent in Seaview Downs is $385 per week ($1,668 per month). Seaview Downs has a median age of 42 years, older than the national median of 38. Seaview Downs has a population density of 1,191 people per km².
The most common overseas birthplace in Seaview Downs is England. The most common religion is No religion (53.9% of residents). After English, the most spoken language is Greek. The median monthly mortgage repayment in Seaview Downs is $1,742.
There were 16 recorded offences in Seaview Downs in 2025-26, a rate of 6 offences per 1,000 people. The most common offence category was fraud (6 offences).
Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from SA Government Open Data (data.sa.gov.au), 2025-26.
Seaview Downs vs the typical SA suburb
The median personal income in Seaview Downs is $796 a week, 5% above the typical SA suburb ($759). That ranks 281st of 710 SA suburbs with 200 or more residents. Median rent is $385 a week, $85 more than the typical SA suburb. Rent takes 22.1% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 42, 1 year younger than in the typical SA suburb (43).
| Measure | Seaview Downs | Typical SA | Difference | Typical Australia |
|---|---|---|---|---|
| Personal income | $796/wk | $759/wk | +5% | $766/wk |
| Household income | $1,741/wk | $1,494/wk | +17% | $1,637/wk |
| Rent | $385/wk | $300/wk | +28% | $330/wk |
| Mortgage repayment | $1,742/mo | $1,534/mo | +14% | $1,733/mo |
| Median age | 42 | 43 | −1 yrs | 42 |
| Rent share of household income | 22.1% | 19.5% | +2.7 pts | 20.3% |
Seaview Downs Population
2,718 residents at the 2021 Census.
Seaview Downs Median Income & Rent
Valid: Census 2021 · Source: ABS Census of Population and Housing.
Seaview Downs Rent Prices & Affordability
22% of median household income goes on median rent
Marks at 25% and 35%. Band: affordable.
Rent is under 25% of household income, generally considered affordable.
Median rent in Seaview Downs against your income
Seaview Downs Schools
Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), 2025. ICSEA is the Index of Community Socio-Educational Advantage (national average 1000).
All schools near Seaview Downs, with a mapSeaview Downs Map
People in Seaview Downs
Demographics
Gender Split
Population Density
Households
Age Distribution
Source: ABS Census 2021, Suburb and Locality (SAL)
Most common overseas birthplaces
Shares are of all residents. Source: ABS Census 2021, G09 Country of Birth by SAL
Most common languages at home other than English
Shares are of all residents. Source: ABS Census 2021, G13 Language Used at Home by SAL
Ancestry
Shares are of the suburb population. People can report up to two ancestries, so shares add to more than 100%. Source: ABS Census 2021, G08 Ancestry by SAL
Religion
Source: ABS Census 2021, G14 Religion by SAL
Indigenous Population
Source: ABS Census 2021, G07 Indigenous Status by SAL
Marital Status
Source: ABS Census 2021, G05 Marital Status by SAL
Family Structure
Source: ABS Census 2021, G29 Family Composition by SAL
Household Size
Source: ABS Census 2021, G35 Household Size by SAL
Homes in Seaview Downs
Housing Tenure
Of the 1,022 occupied private dwellings in Seaview Downs at the 2021 Census, 11.5% were rented, 40.7% owned outright and 46.0% owned with a mortgage.
Source: ABS Census 2021, Suburb and Locality (SAL)
Dwelling Types
Source: ABS Census 2021, G36 Dwelling Structure by SAL
Number of Bedrooms
Source: ABS Census 2021, G41 Number of Bedrooms by SAL
Monthly Mortgage Repayments
Source: ABS Census 2021, G38 Mortgage Repayment by SAL
Car Ownership
Source: ABS Census 2021, G34 Motor Vehicles per Dwelling by SAL
Work, income and education in Seaview Downs
Employment
Source: ABS Census 2021, G46 Labour Force Status by SAL
Occupation
Source: ABS Census 2021, G51 Industry of Employment by Occupation
Weekly Household Income
Source: ABS Census 2021, G33 Household Income by SAL
Personal Weekly Income Distribution
Source: ABS Census 2021, G17 Personal Income by SAL
How People Get to Work
Source: ABS Census 2021, G62 Method of Travel to Work by SAL
Education Level
Shares are of people whose highest year of school is Year 9 to 12 only. Source: ABS Census 2021, G16 Highest Year of School by SAL
Qualifications
Source: ABS Census 2021, G49 Non-School Qualification by SAL
Field of Study
Source: ABS Census 2021, G51 Field of Study by SAL
School & University Attendance
Source: ABS Census 2021, G15 Type of Educational Institution by SAL
More from the 2021 Census
Need for Assistance
Source: ABS Census 2021, G18 Core Activity Need for Assistance by SAL
Long-term Health Conditions
Source: ABS Census 2021, G19 Long-term Health Conditions by SAL
Unpaid Carers
Source: ABS Census 2021, G25 Unpaid Assistance by SAL
Volunteering
Source: ABS Census 2021, G23 Voluntary Work by SAL
Military Service
Source: ABS Census 2021, G22 ADF Service by SAL
Children Ever Born
Source: ABS Census 2021, G28 Children Ever Born by SAL
When Migrants Arrived
Source: ABS Census 2021, G10 Year of Arrival by SAL
Population Mobility
Source: ABS Census 2021, G43 Summary by SAL
Where Residents Moved From
Source: ABS Census 2021, G44 Address 1 Year Ago by SAL
Unpaid Domestic Work
Source: ABS Census 2021, G24 Unpaid Domestic Work by SAL
Family Blending
Source: ABS Census 2021, G31 Family Blending by SAL
Seaview Downs Crime Statistics
16 reported offences in 2025-26, by category.
Total offences by year
Source: SA Government Open Data (data.sa.gov.au).
Cheaper alternatives with similar incomes
Suburbs near Seaview Downs
The closest suburb to Seaview Downs is Seacliff Park, 0.8 km away.
Compare Seaview Downs
Frequently Asked Questions About Seaview Downs
What is the population of Seaview Downs SA?
The population of Seaview Downs SA is 2,718 according to the ABS Census 2021. The suburb has a population density of 1,191 people per km². Seaview Downs is ranked #2,580 out of 14,663 suburbs by population.
What is the median income in Seaview Downs?
The median personal income in Seaview Downs SA is $796 per week, or $41,392 per year. The median household income is $1,741 per week. Family income is $2,076 per week. Seaview Downs is ranked #3,649 by income out of 14,663 Australian suburbs.
How much is rent in Seaview Downs?
Median rent in Seaview Downs SA is $385 per week ($1,668 per month). Rent represents 22.1% of household income, which is considered affordable. Seaview Downs ranks #2,381 out of 14,663 suburbs by rent.
What are mortgage repayments in Seaview Downs?
The median monthly mortgage repayment in Seaview Downs SA is $1,742. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Seaview Downs?
The median age in Seaview Downs SA is 42 years. This is older than the national median age of 38 years.
Is Seaview Downs a good suburb to live in?
Seaview Downs is a suburb in South Australia with a population of 2,718. The median income is $796/wk, which is above the typical SA suburb ($759/wk). Rent affordability is rated as affordable (22.1% of household income). See the full suburb profile above for detailed statistics.
Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41321. All dollar figures in AUD.