Mount Pleasant Demographics: Population, Age & Income Profile (SA)

Mount Pleasant, South Australia· UNKNOWN
Mount Pleasant has a medium demographic profile typical of South Australia suburbsUpdated 1 Apr 2026

Liveability Score

5.2/10

Mount Pleasant has a medium demographic profile typical of South Australia suburbs

Key Facts

Median Age
40 years (state avg)
Median Household Income
$1,197/wk (state avg)
Families with Children
27.8% of households
Home Ownership
68.1% own — 29.2% rent
Postcode
5235
Highest high-risk exposure
9% of land (bushfire)

Demographics Analysis

Mount Pleasant in South Australia reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in South Australia has a median weekly income of around $1,197, with a median age of 40 years.

The ABS reports that 27.8% of households in South Australia are couples with children, while 27.1% are couples without children. Lone person households account for 27.9% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.

Home ownership rates in South Australia show that 68.1% of households own their home (with or without a mortgage), while 29.2% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Mount Pleasant.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Mount Pleasant. Different demographic groups face different climate exposure profiles — families may prioritise heat safety near schools, while retirees may be more concerned about insurance costs in flood-prone areas. Get an address-level climate risk report for your Mount Pleasant property to understand how climate projections may affect your investment.

Mount Pleasant (postcode 5235) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (9% of land in high-risk zones), surface flood (6.7% of land in high-risk zones), extreme wind (4.1% of land in high-risk zones). Exposure is not uniform across Mount Pleasant — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement property protection measures, such as clearing vegetation and installing fire-resistant materials. Develop and practice evacuation plans.

Est. cost: Low to Medium

Enhance Heatwave Resilience

Near-term

Establish cooling centers, promote water conservation, and educate residents on heat safety measures.

Est. cost: Low

Upgrade Flood Defenses

Near-term

Improve stormwater drainage systems, construct flood barriers, and implement floodplain management strategies.

Est. cost: Medium to High

Community Awareness Programs

Long-term

Conduct workshops and distribute information on climate risks and adaptation strategies to increase community resilience.

Est. cost: Low

Council & Emergency Services

Adelaide Hills Council
Emergency Services

Data last updated: 1 April 2026

Explore Mount Pleasant Risk Reports

Frequently Asked Questions

What is the population of Mount Pleasant?

Population data for Mount Pleasant comes from the ABS 2021 Census, the most recent national census. For the most current suburb-level population data, refer to ABS QuickStats or consult the South Australia state government's population projections. Understanding population trends helps home buyers assess housing demand, infrastructure investment, and neighbourhood character.

What is the median age in Mount Pleasant?

The median age for South Australia is 40 years according to the 2021 ABS Census, which serves as a reference point for Mount Pleasant. A younger median age often indicates more families and first home buyers, while older demographics suggest established households and potentially lower turnover. Both have implications for property demand and investment strategy.

What is the average household income in Mount Pleasant?

The median weekly household income in South Australia is $1,197 per week (ABS 2021 Census). Household income affects serviceability for mortgage lending, rental affordability, and the type of housing stock in demand within a suburb. Higher-income areas typically support stronger property values and faster capital growth. Combine demographic research with a climate risk report from ClimateNest for a complete property assessment.

What type of people live in Mount Pleasant?

The demographic profile of Mount Pleasant is broadly shaped by its location within South Australia. According to the ABS Census, 27.8% of households in the state are couples with children, while 27.1% are couples without children. The overall population of South Australia has a median age of 40 — use this as context when assessing the demographic character of Mount Pleasant.

What share of Mount Pleasant is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 9% of Mount Pleasant in high-risk zones for bushfire, with a further 61.3% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Mount Pleasant Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Mount Pleasant, South Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections