Coromandel Valley (SA)

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According to ABS population assessments for the region and address confirmations by Districts since the Census, the suburb of Coromandel Valley has a population estimated at 4,659 as of May 2026. This represents a growth of 279 people (6.4%) compared to the 2021 Census, which registered 4,380 residents. The current estimate of 4,659 was determined by Districts utilizing June 2025 ERP data from the ABS along with 3 validated new addresses registered since the Census. This population level yields a density of 1,066 persons per square kilometer, which is consistent with typical averages across locations evaluated by Districts. The 6.4% growth in the suburb of Coromandel Valley since the 2021 census outperformed both the SA3 area (5.8%) and the SA4 region, establishing it as a local growth leader. Overseas migration was the primary driver of this growth, accounting for approximately 58% of the overall population gains in recent times.

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Data aggregated by Districts indicates that Coromandel Valley has a highly educated labor force with strong representation in essential service industries, an unemployment rate of 1.2%, and an estimated job growth of 5.3% over the past year. As of March 2026, 2,800 residents are employed. The unemployment rate is 2.6% lower than the 3.8% recorded across Greater Adelaide, while labor force participation is exceptionally high at 76.2% compared to the regional average of 66.6%. Census data shows that a moderate 14.6% of workers operated from home, though this may reflect the influence of COVID-19 restrictions.

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According to the latest postcode-level ATO data released for financial year 2023, taxpayers in the suburb of Coromandel Valley have a median income of $60,261 and an average income of $74,245. These figures exceed national benchmarks and compare to a median of $54,808 and an average of $66,852 in Greater Adelaide. Factoring in Wage Price Index growth of 10.17% since financial year 2023, current estimates stand at approximately $66,390 for the median and $81,796 for the average as of March 2026. The 2021 Census ranks household, family, and personal incomes in the area highly, placing them between the 77th and 80th percentiles nationally. The largest income group consists of 34.7% of taxpayers (1,616 residents) earning between $1,500 and weekly, which is similar to the wider region where this group makes up . A substantial of residents earn more than weekly, pointing to areas of affluence that support local commerce. After housing expenses, residents retain of their income, indicating high disposable income, and the suburb ranks in the th decile on the SEIFA index.

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At the time of the latest Census, the housing stock in Coromandel Valley was dominated by detached houses, which made up 98.9% of dwellings, compared to 1.1% for semi-detached homes, apartments, and other housing types. In Greater Adelaide, houses comprised 75.2% of the stock, with other dwellings at 24.9%. Home ownership in the area was higher than the metropolitan average at 34.2%, with mortgaged properties accounting for 58.4% and rental properties making up 7.4%. The median monthly mortgage payment of $1,828 was notably higher than the metropolitan average of $1,562, while the median weekly rent was $420 compared to the regional figure of $320. Locally, mortgage payments remain below the national average of $1,863, whereas rental costs are higher than the Australian median of $375.

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Families make up the vast majority of households at 83.8%, consisting of couples with children at 42.6%, couples without children at 30.6%, and single parents at 9.8%. Non-family households account for 16.2% of the total, with single-person households at 14.2% and group houses at 2.2%. The median household size is 2.8 people, which is larger than the Greater Adelaide average of 2.5.

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Residents in Coromandel Valley exhibit high levels of educational qualification, with 37.7% of those aged 15+ holding a university degree, compared to 18.9% in the SA3 area and 25.7% across the state. This educational profile positions the community well for employment in knowledge-intensive sectors. Bachelor degrees are the most common qualification at 24.5%, followed by postgraduate degrees at 8.5% and graduate diplomas at 4.7%. Vocational qualifications are also common, with 33.9% of residents aged 15+ holding trade or technical credentials, consisting of advanced diplomas (12.1%) and certificates (21.8%).

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Public transport services in Coromandel Valley include 33 active stops, served by bus networks. These stops accommodate 14 separate routes that provide a total of 224 weekly passenger services. Accessibility is good, with homes situated an average of 231 meters from the nearest stop. Due to the residential nature of the suburb, most workers commute out of the area. Private vehicles are the main transport mode at 88%, followed by train travel at 6%. Households own an average of 1.9 vehicles, which is above the metropolitan average. According to the 2021 Census, 14.6% of residents worked from home, which may be reflective of pandemic restrictions.

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Health indicators show favorable outcomes in Coromandel Valley based on Districts assessments of mortality and chronic illness. The area records a low prevalence of common health issues across all demographics. Additionally, private health insurance coverage is high, with approximately 56% of the population (~2,623 people) covered, compared to 52.7% across Greater Adelaide.

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Coromandel Valley displays low levels of cultural diversity, with 80.8% of residents born in Australia, 93.6% holding citizenship, and 95.1% speaking only English at home. Christianity is the primary religion, followed by 36.6% of the population. The most distinct statistical variation is in Judaism, which is practiced by no residents, compared to 0.1% of the population across Greater Adelaide.

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The median age in Coromandel Valley is 41 years, which is older than the Greater Adelaide average of 39 and the national median of 38. The age distribution features a high proportion of children aged 5 - 14 years (15.1%), while young adults aged 25 - 34 years are less represented (8.9%) relative to Greater Adelaide. Since 2021, the cohort aged 75 to 84 years increased from 5.1% to 6.8% of the population, and the group aged 15 to 24 years rose from 11.8% to 13.1%. In contrast, the demographic aged 65 to 74 years decreased from 10.5% to 9.6%. Looking forward to demographic models project changes in the age structure, with the to cohort expected to grow by people () from to while the numbers of residents aged to and to are projected to decrease.

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Coromandel Valley currently has an estimated 232 children under 5 years old, comprising approximately 138 children aged 0-2 and 93 children aged 3-4. This cohort declined by an estimated 5% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 8% by 2041 (to approximately 251 children). Meanwhile the 5-12 cohort currently amounts to 566. Birth rates in the area have averaged 9.0 per 1,000 residents over the latest two-year period, a moderate rate (within the middle tier nationally). This rate has slowed down slightly in recent years however.