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Aerial view of Lock, SA

Aerial view

Imagery © Esri

The quick read on

Lock

SA 5633 · Elliston

What homes cost, how rents have moved, and a feel for the people who call it home.

Median house
$190,000

latest suburb median

Population
253

ABS 2021

Postcode
5633

Lock, South Australia

Property market insights for Lock

Median sale price and rental income of properties in Lock SA

Median price trend for houses

Based on 3 sales in the preceding 12 months

$190,000

$2m$1m$020212023202420252026

Median rent trend for houses

Based on 1 rental listings in the preceding 12 months

Up 31.0% over 12 months

$275$250$225$20020232024202420252025

The median house price in Lock, SA is currently $190,000, based on the latest 12 months of sales.

The median house rent has increased 31.0% over the last 12 months.

Crime and safety

Is Lock safe?

The overall rate for Lock is 1,510 offences per 100,000 residents — 51% below the Rest of SA benchmark.

That is the clearest suburb-wide answer. Open the detailed profile to see how the pattern changes across offence types and different parts of Lock.

Overall crime rate

1,510

offences per 100,000 residents

51% belowRest of SA

LockRest of SA: 3,055

Suburb-wide estimate from Microburbs' public crime model; it is not an address-level measure.

The people behind the postcode

Who lives in Lock?

Lock SA 5633 is in South Australia, within Rest of SA.

253 people call Lock home, with an average of 2.2 people per household and a median household income of $1,125 a week.

Public ABS 2021 Census figures. The bars compare the local share with the capital-region benchmark.

Population
253
Median age
38 years
Median mortgage
$512 / month
2021 household rent
$120 / week
Above the benchmarkBelow the benchmarkIn lineRest of SA benchmark

Age profile

Share of residents in each age band.

Under 1522.9%Above
15–3421.7%Above
35–5421.3%Below
55–7427.7%Below
75 and over6.3%Below

Homes

Share of occupied private dwellings.

Separate houses100.0%Above
Townhouses0.0%Below
Apartments0.0%Below

Ownership

Share of homes with a stated ownership or rental status.

Owned outright50.0%Above
Paying a mortgage22.0%Below
Renting28.0%Above

Cars at home

Vehicles available to occupied households.

No car8.3%Above
One car33.3%Below
Two cars36.9%In line
Three or more22.6%Below

Getting to work

Selected ways residents worked or travelled on Census day.

Worked from home19.8%Above
Drove to work45.5%Below
Train, tram or bus0.0%Below
Walked or cycled11.6%Above

What stands out in Lock

19.8% of workers in Lock worked from home on Census day — about twice the rate across Rest of SA.

38.3% of people in Lock described themselves as having no religion in the 2021 Census.

A closer look at the Census

Questions people ask about Lock

Open any question for a plain-English reading of the public 2021 Census for Lock SA 5633.

Is Lock family-friendly?Age, family structure and household size describe the community families would be joining.

22.9% of Lock's residents were children under 15 in the 2021 Census. That is well above the Rest of SA average.

54 family households lived in Lock; 38.9% were couple families and 7.4% were one-parent families.

38.9% of local families included children under 15. That is well above the Rest of SA average.

These are suburb-wide household figures, not school or childcare ratings.

What is the age profile of Lock?The balance between younger adults, families and older residents changes how a suburb feels day to day.

Lock had 253 residents at the 2021 Census.

21.7% of residents were aged 25 to 44.

34.0% were 55 or older. That is somewhat below the Rest of SA average.

Age shares use the suburb’s total Census population.

What kind of homes are in Lock?The dwelling mix shows whether the suburb is mostly detached homes, townhouses or apartments.

Separate houses made up 100.0% of occupied private dwellings in Lock.

Townhouses and other attached homes represented 0.0% of occupied private dwellings.

Flats and apartments accounted for 0.0% of occupied private dwellings.

All three shares use occupied private dwellings as the denominator.

Do people own or rent in Lock?Tenure shows how many households own outright, have a mortgage or rent.

50.0% of households with a stated tenure owned their home outright. That is well above the Rest of SA average.

22.0% were buying their home with a mortgage.

28.0% rented their home. That is close to the Rest of SA average.

Tenure shares include households that stated one of these three arrangements.

How large are households in Lock?Household-size data shows the mix behind the suburb-wide average.

The average household in Lock had 2.2 people.

One-person households made up 37.5% of occupied homes. That is well above the Rest of SA average.

Two-person households represented 38.6%, while 21.6% had four or more usual residents.

Household size counts usual residents in occupied homes.

How do people get to work in Lock?Census-day travel shows the balance between home, road, public transport and active travel.

19.8% of workers worked from home on Census day. That is about twice the Rest of SA rate.

45.5% drove a car as their only travel method. That is well below the Rest of SA average.

0.0% used only a train, tram or bus, while 11.6% walked or cycled.

Travel figures are a 2021 Census-day snapshot.

How many cars do households have in Lock?Vehicle availability helps describe the routines local households can support.

8.3% of occupied households had no motor vehicle available. That is somewhat above the Rest of SA average.

One-car households formed 33.3% of the total.

59.5% of households had two or more vehicles.

Vehicle counts refer to occupied households, not individual residents.

Who's moving to Lock, and who stays?Address history shows how settled or recently mobile residents were at the Census date.

73.5% were at the same address five years earlier, while 26.5% reported a different address.

5.5% of residents were born outside Australia. That is about half the Rest of SA rate.

Mobility figures cover residents who answered the relevant Census question.

What languages are spoken in Lock?Language at home gives a direct view of the community’s everyday linguistic mix.

91.3% of residents used only English at home.

1.6% used a language other than English at home.

0.0% spoke Mandarin at home, 0.0% spoke Cantonese and 0.0% spoke Hindi.

Home language is separate from English proficiency.

Where were Lock residents born?Birthplace adds another layer to the local story, separate from ancestry and language.

5.5% of Lock's population was born outside Australia, while roughly 94.5% was born in Australia.

0.0% of residents were born in China.

2.0% were born in India, while Australian citizenship across the whole suburb stood at 90.5%.

Birthplace, citizenship and ancestry describe different parts of identity.

What ancestries shape Lock?Ancestry responses show how residents describe family and cultural background.

English ancestry accounted for 31.2% of ancestry responses in Lock.

Australian ancestry made up 49.0% of responses.

Chinese ancestry represented 0.0% of responses.

People may nominate more than one ancestry, so these are shares of responses.

What work do people do in Lock?Occupation describes a person’s role; industry describes the sector employing them.

7.4% of employed residents worked in professional occupations. That is somewhat below the Rest of SA average.

Managers accounted for 33.1% of employed residents, while clerical and administrative workers made up 14.9%.

Health care and social assistance employed 2.5% of workers, and education and training employed 9.9%.

Occupation and industry figures describe employed residents of the suburb.

How active is the workforce in Lock?Participation, employment pattern and unemployment describe the resident labour force.

The labour-force participation rate was 65.1%, compared with 54.1% across Rest of SA.

38.1% of residents aged 15 and over worked full time, while 20.3% worked part time.

Unemployment was 5.5%, compared with 4.8% across Rest of SA.

Labour-force figures come from the 2021 Census.

What does the health profile of Lock show?Selected long-term health conditions help describe community service needs.

59.7% reported no selected long-term health condition.

8.3% reported a long-term mental health condition, including depression or anxiety.

9.1% reported asthma, 11.1% arthritis and 5.5% diabetes excluding gestational diabetes.

These are self-reported suburb-wide Census figures, not address-level health risks.

How educated is Lock?Qualifications describe the study pathways represented among local residents.

11.2% of people in the qualifications table held a bachelor degree. That is somewhat below the Rest of SA average.

Postgraduate degrees accounted for 0.0% of qualification responses.

Diploma-level qualifications represented 20.2%, while certificate-level qualifications represented 43.8%.

Qualification categories are reported separately and are not school ratings.

What do incomes and housing costs look like in Lock?Census income and household payments give historical context for local living costs.

Median household income was $1,125 per week in the 2021 Census.

The median monthly mortgage repayment reported by local households was $512.

Occupied renting households reported a median rent of $120 per week.

These household figures are from 2021; current sale and asking-rent medians appear in the market section.

How does Lock compare with Rest of SA?A few clear differences place the suburb in its wider metropolitan context.

Working from home was 19.8% in Lock, compared with 8.9% across Rest of SA.

Outright ownership was 50.0% locally and 41.6% across Rest of SA. That is well above the Rest of SA average.

Renting accounted for 28.0% in Lock, against 26.0% across Rest of SA.

Capital-region comparisons use the same Census definitions and year.

Three useful questions

A buyer’s quick guide to Lock

Is Lock expensive?

The median house price is $190,000. Bedroom count, land and condition still create a wide range around those suburb medians.

Is Lock good for families?

The Census counted 54 local families, and 22.9% of residents were under 15. That describes the community; school quality, travel times and the right fit for a particular family need separate research.

What can I get for $1.5m in Lock?

The free data does not have a dependable bedroom breakdown for this suburb. Compare the current house and unit medians above, then use live listings to see what a $1.5m budget buys today.

Medians describe recorded market activity across the suburb; they are historical context, not a valuation or forecast for an individual home.

Explore the area

Streets and suburbs around Lock

43 streets in Lock

Street-by-street reports are not published yet. The streets below are the ones this suburb covers.

  • Argent Rd
  • Barwell Rd
  • Bascombe Well Rd
  • Birdseye Hwy
  • Burrows Rd
  • Buzacott Rd
  • Cemetery Rd
  • Dawson Rd
  • Dearman St
  • Dennis Rd
  • Don Elson Rd
  • Ettridge St
  • Golf Course Rd
  • Hawson St
  • Heron St
  • Hetzel Rd
  • Hitchcock St
  • Holman Rd
Show all 43 streets
  • Hundred Line Rd
  • Huppatz Rd
  • Lally Rd
  • Mclachlan
  • Mclachlan St
  • North Tce
  • Owen Rd
  • Palkagee Rd
  • Palkagee St
  • Pascoe Rd
  • Pearce Rd
  • Pratts Rd
  • Railway Tce
  • Reeds Rd
  • Ryan Rd
  • Sieberts Rd
  • South Tce
  • Starke St
  • Terre Dam Rd
  • Terre St
  • Tod Hwy
  • West Tce
  • Wills Rd
  • Young Rd
  • Zerk Rd

Keep exploring

Is Lock right for your search?

Use the finders to compare places and properties, or open the full report when you need the street, risk, schools and growth research.

Figures update as new market and census data arrives. This suburb overview is general information, not a valuation or financial advice.