Brownsville flood map & planning overlays
A planning-constraint profile of Brownsville (Wollongong, NSW) - 0.99 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
0.99 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Brownsville's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Brownsville at a glance
How Brownsville is zoned
Buying in Brownsville? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 0.99 km², Brownsville is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 59% is flagged bushfire-prone. There are 3 heritage-listed sites on record, and the dominant land-use zone is Environmental Management. The median lot measures about 579 m² across 182 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Brownsville
Census 2021 figures published by the ABS for the Brownsville suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 911, and decile 2 within New South Wales. The national average is 1000.
Age profile
Share of Brownsville's 524 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Dapto - Avondale, the wider ABS statistical area containing Brownsville. There is no annual population series published at suburb level, so this describes the surrounding area rather than Brownsville itself.
21,968 in 2001 to 24,842 in 2025, up 13%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Brownsville data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 August 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Brownsville address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Brownsville planning - frequently asked
Where can I see a flood map of Brownsville?
The schematic on this page is a Brownsville flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Brownsville address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Brownsville flood-prone?
Flood mapping covers Brownsville and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 4%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Brownsville bushfire-prone?
Yes - around 59% of Brownsville is mapped as bushfire-prone, compared with a Wollongong average of 56%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Brownsville?
The dominant planning zone in Brownsville is Environmental Management, though the suburb also includes Low Density Residential and Infrastructure. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Brownsville have heritage-listed places?
Brownsville has 3 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Brownsville?
Across 182 surveyed parcels in Brownsville, the median lot size is about 579 m².
Does Brownsville have a train station?
There is no train station inside Brownsville itself. The suburb is served by 4 bus stops.
What is the population of Brownsville?
At the 2021 Census Brownsville had 524 usual residents, with a median age of 44 and an average household size of 2.1 people. The wider Dapto - Avondale statistical area, which contains Brownsville, went from 21,968 people in 2001 to 24,842 in 2025, up 13%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Brownsville alone.
Is Brownsville an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Brownsville scores 911 and sits in decile 2 of 10 nationally and decile 2 within New South Wales - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Brownsville?
Median household income in Brownsville was $1,160 a week at the 2021 Census, against $1,912 for the typical suburb in Wollongong. Median rent was $320 a week and the median mortgage repayment $1,733 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Brownsville property?
A Brownsville planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Kanahooka | 1.1 km | 0% | 11% |
| Kembla Grange | 2.5 km | 12% | 66% |
| Stream Hill | 2.7 km | 25% | 88% |
| Koonawarra | 2.7 km | 0% | 38% |
| Dapto | 2.8 km | 7% | 29% |
| Berkeley | 2.9 km | 0% | 42% |
| Farmborough Heights | 3.0 km | 0% | 63% |
| Horsley | 3.4 km | 26% | 45% |
| Unanderra | 4.2 km | 0% | 17% |
| Cordeaux Heights | 4.5 km | 0% | 56% |