Mount Barker Population 2026
Mount Barker has a population of 21,554, making it the #64 biggest city in 🇦🇺 Australia, located in South Australia. Roughly 0.1% of Australia's population lives here. It is about 262× smaller than Sydney, the country's biggest city.
Population (city proper)
21,554
Rank in Australia
#64
Coordinates
35.07°S, 138.87°E
~322 m elevation · Australia/Adelaide
Distance to capital (Canberra)
933 km
579 miles, straight line
Other big cities in South Australia
| City | Population | Rank in Australia |
|---|---|---|
| Adelaide | 1,469,163 | #5 |
| Adelaide Hills | 72,260 | #31 |
| Mount Gambier | 25,591 | #58 |
| Whyalla | 20,880 | #68 |
| Gawler | 20,006 | #71 |
Cities near Mount Barker
- Adelaide Hills72,260 people · ~23 km away
- Adelaide1,469,163 people · ~29 km away
- Gawler20,006 people · ~53 km away
- Whyalla20,880 people · ~256 km away
- Mildura34,565 people · ~317 km away
- Mount Gambier25,591 people · ~352 km away
FAQ
What is the population of Mount Barker?
Mount Barker has a population of 21,554 (city proper, latest official figure via GeoNames), making it the #64 biggest city in Australia.
What region is Mount Barker in?
Mount Barker is located in South Australia, Australia.
Is Mount Barker the capital of Australia?
No, the capital of Australia is Canberra, about 933 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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