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Federal electorate · Vic.

Corio

Results and projection across recent federal elections.

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Seat-level trend · Provincial seats

Projection for Corio

ALP
36.9%
ONP
29.4%
GRN
17.3%
LIB
12.3%

The line traces Corio's real 2025 primary vote forward using the polling trend for provincial seats nationally — not a poll of this seat specifically, and that category has only around 28 polls tracked over 14 months across every seat of its kind in the country, so read the shape of the line as directional, not a precise forecast. The actual 2028 projection number (shown at the end of the line, in the table below, and everywhere else on the site) also blends in Vic.'s own state-level polling 50/50 with this classification trend — the chart just doesn't visualize that second component, so the end of the line glides onto the real, state-blended number over its final stretch rather than matching the classification-only shape exactly. There's only one projection number for Corio, this is just showing how the polling got there.

Labor wins in 66% of simulations
Labor 60.8%
One Nation 39.2%

Two-candidate-preferred, 2028 projection — the top two contenders are recalculated from the projected primary votes above (so a surging party can break into contention even if it wasn't one of the top two last election), and every other party's vote is distributed between them as preferences using standard flow assumptions, not seat-specific sourced preference data. The win-probability figure above comes from a separate 10,000-run Monte Carlo simulation (see the Election Map page for methodology) built on this same TCP margin — it's how often that margin survives national polling uncertainty plus seat-level noise, not a different projection.

Get to know the electorate

Corio

4.9%
Unemployment rate
0.2pt below Australia's 5.1% average
Classification
Provincial
Created
1901
Size
1,216 km²
Current member
Richard Marles (Labor)
Population
159,242
Median age
39
Median household income
$1,530/wk
Aboriginal / Torres Strait Islander
1.5%

Ancestry

European
64.4%
Australian
34%

People could report up to two ancestries. Grouped by region from the ABS's own top-5 responses for this seat — smaller regions outside that list aren't counted.

Language spoken at home

English only
80.1%
Croatian
1.1%
Italian
1.0%
Punjabi
0.9%
Mandarin
0.8%

Language spoken most often at home.

Religious affiliation

No Religion
42.3%
Christian
33.7%

All people. Christian combines denominations in the ABS's own top-5 responses for this seat — smaller denominations outside that list aren't counted. Other faiths shown individually.

Education (highest level attained)

High School
38.4%
TAFE Educated
26.9%
University Educated
24.1%

People aged 15+. University Educated: Bachelor degree or higher. TAFE Educated: Certificate or Diploma. High School: no further qualification.

Housing

Owned (No Mortgage)
33%
Owned (Active Mortgage)
33%
Renting
31%

Households. Owned (No Mortgage) / Owned (Active Mortgage) / Renting.

Occupation

White collar
54%
Blue collar
44%

Employed people (15+). White collar: Managers, Professionals, Clerical & Administrative, Sales. Blue collar: Trades, Community & Personal Service, Machinery Operators, Labourers.

Past Results | Corio

20222025Projection
ALP42.1%42.8%36.9%
LIB24.6%24.9%12.3%
GRN14.9%15.9%17.3%
ONP3.9%9.9%29.4%
Other14.5%2.9%1.9%
Independent0.0%3.6%2.3%

Latest update: 2 October 2026