South Australia · Suburb Profile
Seaford SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Seaford, South Australia. ABS Census 2021.
The population of Seaford SA is 4,493 according to the 2021 Census. The median personal income in Seaford is $656 per week ($34,112 per year). Median rent in Seaford is $330 per week ($1,430 per month). Seaford has a median age of 43 years, older than the national median of 38. Seaford has a population density of 1512.0 people per km².
The most common overseas birthplace in Seaford is England. The most common religion is No Religion (62% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Seaford is $1,400.
There were 264 recorded offences in Seaford in 2025-26, a rate of 59 offences per 1,000 people. The most common offence category was theft (137 offences).
Seaford Map
Seaford Population
Seaford Median Income & Rent
Seaford Demographics
Gender Split
Population Density
Households
Seaford Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Seaford Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Seaford Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Seaford Religion
Source: ABS Census 2021 G14 — Religion by SAL
Seaford Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Seaford Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
Seaford Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Seaford Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Seaford Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Seaford Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Seaford Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Seaford Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Seaford Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Seaford Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Seaford School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Seaford Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Seaford Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Seaford Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Seaford How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Seaford Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Seaford Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Seaford Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Seaford Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Seaford Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Seaford Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Seaford Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Seaford Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Seaford Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Seaford Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Seaford When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
Seaford Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Seaford Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Seaford Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Seaford Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Seaford Crime Statistics
Reported offences in 2025-26 — 264 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
Seaford Schools
Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).
View all schools in Seaford with map →Seaford Rent Prices & Affordability
Rent is between 25–35% of household income — moderate housing costs.
If you earn X in Seaford
Cheaper alternatives with similar incomes
Seaford vs State & National Average
Nearby Suburbs in SA
Compare Seaford (SA)
Frequently Asked Questions About Seaford
What is the population of Seaford SA?
The population of Seaford SA is 4,493 according to the ABS Census 2021.The suburb has a population density of 1512.0 people per km².Seaford is ranked #1,733 out of 14,663 suburbs by population.
What is the median income in Seaford?
The median personal income in Seaford SA is $656 per week, or $34,112 per year.The median household income is $1,254 per week.Family income is $1,553 per week.Seaford is ranked #6,231 by income out of 14,663 Australian suburbs.
How much is rent in Seaford?
Median rent in Seaford SA is $330 per week ($1,430 per month).Rent represents 26.3% of household income, which is considered moderate.Seaford ranks #3,803 out of 14,663 suburbs by rent.
What are mortgage repayments in Seaford?
The median monthly mortgage repayment in Seaford SA is $1,400. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Seaford?
The median age in Seaford SA is 43 years.This is older than the national median age of 38 years.
Is Seaford a good suburb to live in?
Seaford is a suburb in South Australia with a population of 4,493.The median income is $656/wk, which is below the SA average of $763/wk.Rent affordability is rated as moderate (26.3% 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: 41315. All dollar figures in AUD.