3,154 ▲ +0.6%
Higher than 85% of suburb / locality areas.
- 2011: 3,136
- 2016: 3,113
- 2021: 3,154
The number of people who usually live in the area, counted on Census night.
Rochester · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Rochester is 53 years old, making the area far older than the national figure. This is a community with a significant senior population, where roughly one in three people is aged 65 or over.
All suburb / locality areas, 2021. The marker is Rochester — higher than 85% of areas.
How many people, and the typical age.
Rochester has 3,154 people, which is larger than about 85% of similar areas. The typical age of 53 is much higher than in most other areas.
3,154 ▲ +0.6%
Higher than 85% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
53 yrs ▲ +12.8%
Older than 80% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Seniors aged 65 and over make up 32% of the population, a figure far above the 17.2% national average. This helps explain why children under 15 are well below the national figure at just 14.1%.
32.0% ▲ +25.8%
Higher than 88% of suburb / locality areas.
Share of the population aged 65 years and over.
14.1% ▼ -17.0%
Lower than 69% of suburb / locality areas.
Share of the population aged under 15 years.
Rochester splits fairly evenly between Seniors (65+) (32%) and Older adults (45–64) (28%), with Young adults (25–44) at 16%.
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 2.3% of the population, which is a little above the state average. Nearly half of the residents are married, while 10.9% are in de facto relationships.
2.3% ▲ +186.4%
Higher than 54% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.9% ▲ +42.6%
Lower than 60% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Rochester, the largest group is Married at 46%, followed by Never married (29%) and Divorced (11%).
Australian Bureau of Statistics. (2021). Demographics & Identity in Rochester [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL22184/rochester/topic/demographics-identity