Erina

Population growth drivers in Erina are strong compared to national averages based on AreaSearch's ranking of recent, and medium to long-term trends

Erina's population is estimated at around 5,124 as of Feb 2026. This reflects a decrease of 81 people since the 2021 Census, which reported a population of 5,205 people. The current resident population estimate by AreaSearch is 5,090, based on examination of ABS's latest ERP data release in June 2024 and validation of four new addresses since the Census date. This results in a population density ratio of approximately 1,000 persons per square kilometer, which aligns with averages seen across locations assessed by AreaSearch. Overseas migration contributed around 65% of overall population gains during recent periods for Erina.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 using a base year of 2022. For areas not covered by this data, AreaSearch utilises NSW State Government's SA2 level projections released in 2022 with a base year of 2021. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. Based on aggregated SA2-level projections, Erina is expected to grow by 712 persons to 2041, reflecting a total increase of approximately 13.3% over the 17-year period.

The level of residential development activity in Erina is very low in comparison to the average area assessed nationally by AreaSearch

Erina has experienced approximately two dwelling approvals per year based on AreaSearch analysis of ABS building approval numbers. Between financial years 2021 to 2025, around eleven homes were approved, with no approvals recorded so far in the current financial year 2026.

Despite population decline during this period, housing supply has remained adequate relative to demand, resulting in a balanced market with good buyer choice. Commercial development approvals totalled $3.0 million in the current financial year, indicating limited commercial development focus compared to Greater Sydney, where Erina's development activity is 89.0% below the regional average per person. New supply has generally supported stronger demand and values for established homes, though recent construction activity has intensified. This activity is also below national average, reflecting the area's maturity and possible planning constraints. New building activity consists of 33.0% standalone homes and 67.0% townhouses or apartments, creating more affordable entry points and suiting downsizers, investors, and first-home buyers. This shift from the current housing mix of 76.0% houses reflects reduced development site availability and addresses shifting lifestyle demands and affordability requirements. With around 1131 people per dwelling approval, Erina reflects a highly mature market.

By 2041, Erina is expected to grow by 680 residents according to the latest AreaSearch quarterly estimate. At current development rates, housing supply may struggle to match population growth, potentially heightening buyer competition and supporting price increases.

Erina has strong levels of nearby infrastructure activity, ranking in the top 30% nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified one major project likely impacting the area. Notable projects include Central Coast Grammar School Campus Expansion, Green Point Foreshore Masterplan & Reserve Upgrades, Green Point Shopping Village Expansion, and The Elly Extension.

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Employment conditions in Erina demonstrate strong performance, ranking among the top 35% of areas assessed nationally

Erina has a skilled workforce with essential services sectors well represented. The unemployment rate was 2.4% in the past year, based on AreaSearch aggregation of statistical area data. Employment growth over this period was estimated at 2.4%.

As of September 2025, 2,193 residents were in work while the unemployment rate was 1.8% below Greater Sydney's rate of 4.2%. Workforce participation lagged significantly at 50.6%, compared to Greater Sydney's 70.0%. According to Census responses, a high 32.5% of residents worked from home, though Covid-19 lockdown impacts should be considered. Leading employment industries among residents comprised health care & social assistance, construction, and retail trade.

The area had particular employment specialization in health care & social assistance, with an employment share of 1.5 times the regional level. Conversely, professional & technical services showed lower representation at 6.1% versus the regional average of 11.5%. Many residents appeared to commute elsewhere for work based on the count of Census working population to local population. Over a 12-month period ending May-25, employment increased by 2.4% alongside labour force increasing by 2.9%, causing the unemployment rate to rise by 0.4 percentage points. In contrast, Greater Sydney experienced employment growth of 2.1% and labour force growth of 2.4%, with a 0.2 percentage point rise in unemployment rate. Jobs and Skills Australia's national employment forecasts from May-25 projected national employment expansion at 6.6% over five years and 13.7% over ten years, with varying growth rates between industry sectors. Applying these projections to Erina's employment mix suggested local employment should increase by 6.9% over five years and 14.3% over ten years.

The area's income levels rank in the lower 15% nationally based on AreaSearch comparative data

According to AreaSearch's aggregation of ATO data released for financial year 2023, Erina had a median taxpayer income of $44,373 and an average income of $61,622. These figures are below the national averages of $60,817 and $83,003 respectively in Greater Sydney. Based on Wage Price Index growth of 8.86% since financial year 2023, estimated incomes for September 2025 would be approximately $48,304 (median) and $67,082 (average). The 2021 Census shows household, family, and personal incomes in Erina fall between the 3rd and 12th percentiles nationally. Income distribution indicates that 33.6% of locals earn between $400 - $799 annually, differing from broader area trends where the $1,500 - $2,999 category is predominant at 30.9%. Economic circumstances suggest financial pressure, with 41.6% of households having weekly budgets below $800. Housing affordability pressures are severe, with only 80.2% of income remaining after housing costs, ranking at the 4th percentile nationally. The area's SEIFA income ranking places it in the 5th decile.

Erina is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Erina's dwellings, as per the latest Census, were 75.5% houses and 24.5% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Erina was 54.8%, with mortgaged dwellings at 24.1% and rented ones at 21.1%. The median monthly mortgage repayment was $2,146, below Sydney metro's average of $2,427. Median weekly rent in Erina was $380, compared to Sydney metro's $470. Nationally, Erina's mortgage repayments exceeded the Australian average of $1,863, while rents were higher than the national figure of $375.

Erina features high concentrations of lone person households, with a lower-than-average median household size

Family households constitute 57.0% of all households, including 19.1% couples with children, 29.6% couples without children, and 7.5% single parent families. Non-family households comprise the remaining 43.0%, with lone person households at 41.6% and group households at 1.8%. The median household size is 2.1 people, smaller than the Greater Sydney average of 2.7.

The educational profile of Erina exceeds national averages, with above-average qualification levels and academic performance metrics

The area's university qualification rate is 23.8%, significantly lower than Greater Sydney's average of 38.0%. Bachelor degrees are the most common at 17.2%, followed by postgraduate qualifications (4.7%) and graduate diplomas (1.9%). Vocational credentials are prevalent, with 40.1% of residents aged 15+ holding them, including advanced diplomas (13.2%) and certificates (26.9%). Educational participation is high, with 31.1% currently enrolled in formal education: 10.1% in primary, 7.8% in secondary, and 5.4% in tertiary education.

Educational participation is notably high, with 31.1% of residents currently enrolled in formal education. This includes 10.1% in primary education, 7.8% in secondary education, and 5.4% pursuing tertiary education.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Public transport analysis shows 48 active stops operating within Erina, serving a mix of bus routes. These stops are covered by 94 individual routes, collectively offering 2,535 weekly passenger trips. Transport accessibility is rated good, with residents typically located 205 meters from the nearest stop. In this predominantly residential area, most commuters travel outward. Car remains the primary mode at 89%, with 4% walking. Vehicle ownership averages 0.9 per dwelling, below the regional average.

According to the 2021 Census, a high 32.5% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages 362 trips per day across all routes, equating to approximately 52 weekly trips per stop.

Health performance in Erina is well below average with a range of health conditions having marked impacts on both younger and older age cohorts

Health data indicates significant health challenges in Erina. AreaSearch's assessment of mortality rates and chronic condition prevalence shows a wide range of health conditions affecting both younger and older age groups.

Private health cover is relatively low at approximately 51% of the total population, which consists of around 2,630 people, compared to 59.9% across Greater Sydney. The most prevalent medical conditions are arthritis (affecting 13.4% of residents) and heart disease (7.8%). Conversely, 53.0% of Erina's population claims to be completely free from medical ailments, compared to 74.6% in Greater Sydney. Working-age residents exhibit a higher-than-average prevalence of chronic health conditions. The area has a notably higher proportion of seniors aged 65 and over, with 46.7%, or approximately 2,392 people, compared to the 15.4% in Greater Sydney. Health outcomes among seniors present certain challenges, with national rankings generally aligned with those of the broader population.

In terms of cultural diversity, Erina records figures broadly comparable to the national average, as found in AreaSearch's assessment of a number of language and cultural background related metrics

Erina's population shows above-average cultural diversity, with 10.2% speaking a language other than English at home and 24.6% born overseas. Christianity is the predominant religion in Erina, comprising 65.6%, compared to Greater Sydney's 49.2%. The top three ancestry groups are English (32.9%), Australian (25.4%), and Irish (8.9%).

Notably, Welsh (0.8%) is overrepresented compared to the regional average of 0.4%. Similarly, South African (0.8%) and Maltese (0.7%) are also overrepresented in Erina.

Erina ranks among the oldest 10% of areas nationwide

Erina's median age is 61 years, significantly higher than Greater Sydney's average of 37 years and the national norm of 38 years. The age profile shows that those aged 75-84 are particularly prominent, comprising 21.6% of the population, while those aged 25-34 are relatively small at 4.7%. This concentration of the 75-84 age group is notably higher than the national average of 6.1%. Between 2021 and present, the percentage of people aged 75 to 84 has increased from 18.8% to 21.6%, while those aged 35 to 44 have risen from 8.7% to 10.1%. Conversely, the percentage of people aged 25 to 34 has declined from 6.8% to 4.7%, and those aged 85 and above have decreased from 13.9% to 11.9%. By 2041, demographic projections indicate significant shifts in Erina's age structure. The number of people aged 85 and above is projected to rise substantially by 484 individuals (79%), from 609 to 1,094. This increase is part of a broader trend of demographic aging, with residents aged 65 and older accounting for 91% of the anticipated population growth. Conversely, population declines are projected for those aged 15-24 and 25-34.