The size of Calliope is approximately 182.9 square kilometres. It has 11 parks covering nearly 2.7% of total area. The population of Calliope in 2016 was 5101 people. By 2021 the population was 5263 showing a population growth of 3.2% in the area during that time. The predominant age group in Calliope is 0-9 years. Households in Calliope are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Calliope work in a trades occupation.In 2021, 66.40% of the homes in Calliope were owner-occupied compared with 65.00% in 2016..
Calliope has 2,190 properties. Over the last 5 years, Houses in Calliope have seen a 95.34% increase in median value, while Units have seen a 94.03% increase. As at 30 June 2025:
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Population 5,263
0-9
19%
10-19
16%
20-29
11%
30-39
15%
40-49
12%
50-59
12%
60-69
9%
70-79
5%
80-89
1%