Coromandel Valley, SA

By Lauren McCaleb · Reviewed by Dylan Duncan · Updated 30 May 2026

92/100

Suburb Score

Among Australia's more advantaged suburbs

Coromandel Valley is more socio-economically advantaged than about 92% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1078, where about 1000 is the national average).

A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.

Coromandel Valley at a glance

Population (2021): 4,380
Median age: 41
Median weekly household income: $2,241
SEIFA score: 1078
Coordinates: -35.0443, 138.6232

Coromandel Valley demographics (2021 Census)

The figures below profile Coromandel Valley using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is mid-life (45–64) at 28%, 8% of homes are rented, and 19% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	912	21%
Youth (15–24)	519	12%
Young adults (25–44)	1,021	23%
Mid-life (45–64)	1,208	28%
Seniors (65+)	710	16%

Share of the 4,370 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	519	34%
Owned with a mortgage	869	57%
Rented	114	8%

Dwelling type	Dwellings	Share
Houses	1,491	99%
Townhouses & semis	16	1%
Flats & apartments	0	0%

Tenure and dwelling shares are of the roughly 1,507 occupied private dwellings in Coromandel Valley.

Median weekly rent: $420
Median monthly mortgage: $1,828
Average household size: 2.8 people
Median weekly family income: $2,493
Median weekly personal income: $986

Community and culture

Born overseas: 823 (19%)
Speaks a language other than English at home: 210 (5%)
Aboriginal and/or Torres Strait Islander: 34 (1%)

Work and education

Completed Year 12: 2,302 (70%)
Labour-force participation: 70.3%
Unemployment rate: 3.2%
Employed full-time: 1,303
Employed part-time: 922

Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.

Weather and climate in Coromandel Valley

Based on 2014–2023 records, the warmest month in Coromandel Valley is January (average daytime high around 27.9°C) and the coolest is July (around 14°C). The area receives roughly 711 mm of rain across the year.

Month	Avg high	Avg low	Rain
Jan	27.9°C	17.5°C	29 mm
Feb	26.5°C	17°C	29 mm
Mar	24.7°C	16°C	20 mm
Apr	21.4°C	14°C	51 mm
May	17.3°C	11.7°C	86 mm
Jun	14.8°C	9.6°C	100 mm
Jul	14°C	8.9°C	104 mm
Aug	14.7°C	8.8°C	95 mm
Sep	17.2°C	10.2°C	62 mm
Oct	20.5°C	11.9°C	52 mm
Nov	22.7°C	13.6°C	52 mm
Dec	25.6°C	15.6°C	31 mm

Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).

Common questions about Coromandel Valley

Where is Coromandel Valley?

Coromandel Valley is a suburb of South Australia, Australia.

What is the population of Coromandel Valley?

At the 2021 Census, Coromandel Valley had a population of about 4,380.

Is Coromandel Valley an advantaged area?

Coromandel Valley has an ABS SEIFA score of 1078, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 92 out of 100 — more socio-economically advantaged than about 92% of Australian suburbs.

What is the weather like in Coromandel Valley?

Coromandel Valley has average daytime highs of about 20.6°C and overnight lows of about 12.9°C, with roughly 711 mm of rain across the year (based on 2014–2023 climate normals).