South Australia · Suburb Profile
Smithfield Plains SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Smithfield Plains, South Australia. ABS Census 2021.
The population of Smithfield Plains SA is 3,305 according to the 2021 Census. The median personal income in Smithfield Plains is $511 per week ($26,572 per year). Median rent in Smithfield Plains is $251 per week ($1,088 per month). Smithfield Plains has a median age of 29 years, younger than the national median of 38. Smithfield Plains has a population density of 2197.3 people per km².
The most common overseas birthplace in Smithfield Plains is England. The most common religion is No Religion (57% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Smithfield Plains is $1,092.
There were 216 recorded offences in Smithfield Plains in 2025-26, a rate of 65 offences per 1,000 people. The most common offence category was theft (72 offences).
Smithfield Plains Map
Smithfield Plains Population
Smithfield Plains Median Income & Rent
Smithfield Plains Demographics
Gender Split
Population Density
Households
Smithfield Plains Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Smithfield Plains Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Smithfield Plains Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Smithfield Plains Religion
Source: ABS Census 2021 G14 — Religion by SAL
Smithfield Plains Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Smithfield Plains Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
Smithfield Plains Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Smithfield Plains Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Smithfield Plains Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Smithfield Plains Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Smithfield Plains Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Smithfield Plains Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Smithfield Plains Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Smithfield Plains Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Smithfield Plains School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Smithfield Plains Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Smithfield Plains Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Smithfield Plains Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Smithfield Plains How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Smithfield Plains Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Smithfield Plains Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Smithfield Plains Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Smithfield Plains Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Smithfield Plains Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Smithfield Plains Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Smithfield Plains Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Smithfield Plains Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Smithfield Plains Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Smithfield Plains Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Smithfield Plains When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
Smithfield Plains Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Smithfield Plains Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Smithfield Plains Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Smithfield Plains Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Smithfield Plains Crime Statistics
Reported offences in 2025-26 — 216 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
Smithfield Plains Schools
Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).
View all schools in Smithfield Plains with map →Smithfield Plains Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in Smithfield Plains
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Smithfield Plains vs State & National Average
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Frequently Asked Questions About Smithfield Plains
What is the population of Smithfield Plains SA?
The population of Smithfield Plains SA is 3,305 according to the ABS Census 2021.The suburb has a population density of 2197.3 people per km².Smithfield Plains is ranked #2,228 out of 14,663 suburbs by population.
What is the median income in Smithfield Plains?
The median personal income in Smithfield Plains SA is $511 per week, or $26,572 per year.The median household income is $1,008 per week.Family income is $1,225 per week.Smithfield Plains is ranked #8,091 by income out of 14,663 Australian suburbs.
How much is rent in Smithfield Plains?
Median rent in Smithfield Plains SA is $251 per week ($1,088 per month).Rent represents 24.9% of household income, which is considered affordable.Smithfield Plains ranks #6,113 out of 14,663 suburbs by rent.
What are mortgage repayments in Smithfield Plains?
The median monthly mortgage repayment in Smithfield Plains SA is $1,092. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Smithfield Plains?
The median age in Smithfield Plains SA is 29 years.This is younger than the national median age of 38 years.
Is Smithfield Plains a good suburb to live in?
Smithfield Plains is a suburb in South Australia with a population of 3,305.The median income is $511/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (24.9% 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: 41347. All dollar figures in AUD.