Colac

VIC

Colac is a declining suburb in VIC with 12,558 residents.

SA2 code: 217031472
State: VIC

Population

12,558

Estimated 2025

5-Year Growth

-1.7%

3yr: -0.3% · 10yr: +1.8%

5-year growth

Median Rent

$260/wk

Census 2021

Median Income

$1,250/wk

Household, Census 2021

Population over time — Colac (SA2)

ABS publishes annual estimates only at SA2 level, not at suburb level.

Growth at a Glance

3yr: -0.3%5yr: -1.7%10yr: +1.8%Total: +9.8%

Population grew from 11,432 to 12,558 over 24 years, averaging 0.4% per year.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 4.4%

Almost entirely detached houses (89.2%), owner-occupied (73%), built for families (54% are 3 bed).

Dwelling mix

Houses 89%

4,516 houses549 townhouses

Tenure

Owned 41%

Mortgage 32%

Renting 27%

Number of bedrooms

1 bed

193 (3.9%)

2 bed

740 (14.8%)

3 bed

2,708 (54.0%)

4 bed

1,205 (24.0%)

5 bed

135 (2.7%)

6+ bed

31 (0.6%)

Colac

Population over time — Colac (SA2)

Growth at a Glance

Census snapshot

Housing

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Where this data comes from