Streaky Bay
Sullivan
Sullivan at a glance
Walk score
0
Very car dependent
Population
5,360
Median age 44
The brief
What to know about Sullivan.
Sullivan (5607) sits in the Streaky Bay region of South Australia.
Sullivan has roughly 5,360 residents, with an established, older skew. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Sullivan scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Schooling within or near the suburb covers 5 government primary, 1 government secondary, 1 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put Sullivan's population at 5,360, with a median age of 44. That sits as an established, older skew.
Population
5,360
Median age
44
Family households
–
Lone person
–
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Rental and ownership
Weekly rent (house)
$250/wk
Weekly rent (unit)
$213/wk
Owner occupied
–
Renter occupied
–
At a deeper level
5,360
Median age: 44
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Getting around
Walkability.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Sullivan.
Local schools for Sullivan
View the catchment for each school to find out more.
Government School Catchment
Poonindie Community Learning Centre
Port Lincoln Primary School
Port Lincoln Junior Primary School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Sullivan.
- What is the Sullivan postcode?
- Sullivan is in the 5607 postcode, in SA, in the Streaky Bay region.
- What is the average rent in Sullivan?
- The median weekly rent for houses is $250, for units it's $213.
- What schools are in Sullivan?
- There are 9 schools serving Sullivan on this page, including Poonindie Community Learning Centre, Port Lincoln Primary School, Port Lincoln Junior Primary School.
- How walkable is Sullivan?
- Sullivan has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Sullivan?
- Sullivan is close to Point Boston, Poonindie, North Shields, Louth Bay, Tiatukia.
- What is the population of Sullivan?
- Sullivan has approximately 5,360 residents. The median age is 44.
Sullivan
Guides
Surrounding Suburbs
Side by side
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
Every figure on this page carries its source and as-of date in a tooltip. If a figure looks off to you, tell us and we’ll fix it within a week.
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