The size of Balmain is approximately 1.6 square kilometres. It has 15 parks covering nearly 8.8% of total area. The population of Balmain in 2011 was 9,783 people. By 2016 the population was 10,463 showing a population growth of 7.0% in the area during that time. The predominant age group in Balmain is 30-39 years. Households in Balmain are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Balmain work in a professional occupation. In 2011, 54.2% of the homes in Balmain were owner-occupied compared with 55.6% in 2016.
Balmain has 6,059 properties. Over the last 5 years, Houses in Balmain have seen a 29.23% increase in median value, while Units have seen a 20.42% increase. As at 30 April 2025:
3 Ewenton St, Balmain is in the school catchment zone for Nicholson Street Public School and Sydney Secondary College Balmain Campus.
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Population 10,463
0-9
13%
10-19
8%
20-29
11%
30-39
18%
40-49
17%
50-59
14%
60-69
11%
70-79
6%
80-89
2%