Birkdale – Demographic Information

Birkdale – Demographic Information

Demographic Profile

The Census usual resident population of Birkdale in 2016 was 14,398, living in 5,323 dwellings with an average household size of 2.74. There were 415 people over the age of 85 living in Birkdale in 2016, with largest age group being 45 to 49 year olds.

The Age Structure of Birkdale provides insights into the suburb’s age profile which is a key consideration during disaster preparation, response and recovery to accommodate the needs of the community. It is also an indicator of Birkdale’s level of demand for age based services and how it is likely to change in the future.

Analysis of the five year age groups of Birkdale in 2016 compared to Redland City shows that there was a similar proportion of people in the younger age groups (under 15) as well as a similar proportion of people in the older age groups (65+). Overall, 18.9% of the population was aged between 0 and 15, and 17.8% were aged 65 years and over, compared with 18.8% and 17.8% respectively for Redland City.

The major differences between the age structure of Birkdale and Redland City were:

  • larger percentage of persons aged 85 and over (2.9% compared to 2.2%)
  • smaller percentage of persons aged 55 to 59 (6.5% compared to 7.1%)

From 2011 to 2016, Birkdale’s population increased by 623 people (4.5%). This represents an average annual population change of 0.89% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:


  • 65 to 69 (+190 persons)
  • 15 to 19 (-179 persons)
  • 70 to 74 (+165 persons)
  • 30 to 34 (+122 persons)