South Australia · Suburb Profile
Blyth SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Blyth, South Australia. ABS Census 2021.
The population of Blyth SA is 518 according to the 2021 Census. The median personal income in Blyth is $665 per week ($34,580 per year). Median rent in Blyth is $230 per week ($997 per month). Blyth has a median age of 42 years, older than the national median of 38. Blyth has a population density of 3.3 people per km².
The most common overseas birthplace in Blyth is England. The most common religion is No Religion (48% of residents). After English, the most spoken language is SAL Tagalog. The median monthly mortgage repayment in Blyth is $997.
There were 2 recorded offences in Blyth in 2025-26, a rate of 4 offences per 1,000 people. The most common offence category was property damage (1 offences).
Blyth Map
Blyth Population
Blyth Median Income & Rent
Blyth Demographics
Gender Split
Population Density
Households
Blyth Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Blyth Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Blyth Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Blyth Religion
Source: ABS Census 2021 G14 — Religion by SAL
Blyth Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Blyth Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
Blyth Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Blyth Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Blyth Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Blyth Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Blyth Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Blyth Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Blyth Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Blyth Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Blyth School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Blyth Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Blyth Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Blyth Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Blyth How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Blyth Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Blyth Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Blyth Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Blyth Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Blyth Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Blyth Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Blyth Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Blyth Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Blyth Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Blyth Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Blyth When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
Blyth Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Blyth Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Blyth Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Blyth Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Blyth Crime Statistics
Reported offences in 2025-26 — 2 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
Blyth Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in Blyth
Cheaper alternatives with similar incomes
Blyth vs State & National Average
Nearby Suburbs in SA
Frequently Asked Questions About Blyth
What is the population of Blyth SA?
The population of Blyth SA is 518 according to the ABS Census 2021.The suburb has a population density of 3.3 people per km².Blyth is ranked #4,970 out of 14,663 suburbs by population.
What is the median income in Blyth?
The median personal income in Blyth SA is $665 per week, or $34,580 per year.The median household income is $1,269 per week.Family income is $1,699 per week.Blyth is ranked #6,078 by income out of 14,663 Australian suburbs.
How much is rent in Blyth?
Median rent in Blyth SA is $230 per week ($997 per month).Rent represents 18.1% of household income, which is considered affordable.Blyth ranks #6,811 out of 14,663 suburbs by rent.
What are mortgage repayments in Blyth?
The median monthly mortgage repayment in Blyth SA is $997. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Blyth?
The median age in Blyth SA is 42 years.This is older than the national median age of 38 years.
Is Blyth a good suburb to live in?
Blyth is a suburb in South Australia with a population of 518.The median income is $665/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (18.1% of household income). See the full suburb profile above for detailed statistics.
Looking for schools, childcare centres, and playgrounds in this area? See kid.com.au for family facilities data.
Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 40129. All dollar figures in AUD.