Castle Hill - Central

Castle Hill - Central has seen population growth performance typically on par with national averages when looking at short and medium term trends

Castle Hill - Central's population is approximately 8,936 as of May 2026. This figure represents an increase of 1,259 people from the 2021 Census total of 7,677. The growth is inferred from ABS' June 2025 estimate of 8,928 residents and an additional 1,279 validated new addresses since the Census date. This results in a population density of 2,153 persons per square kilometer, higher than the average across national locations assessed by AreaSearch. Castle Hill - Central's growth rate of 16.4% since the 2021 Census exceeds both the SA3 area (5.3%) and state averages, positioning it as a growth leader in the region. Interstate migration contributed approximately 46.6% to this population gain, with other factors such as overseas migration and natural growth also playing positive roles.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data, NSW State Government's SA2 level projections from 2022 with a base year of 2021 are utilized. Growth rates by age group from these aggregations are applied to all areas for the years 2032 to 2041. By 2041, Castle Hill - Central is projected to grow by 8,123 persons, reflecting an increase of 89.9% over the 16-year period based on the latest annual ERP population numbers.

AreaSearch assessment of residential development activity positions Castle Hill - Central among the top 25% of areas assessed nationwide

Castle Hill - Central has recorded approximately 685 residential property approvals annually over the past five financial years, totalling 3,428 homes. As of FY-26586 approvals have been recorded. On average, 0.1 person per year moved to the area for each dwelling built between FY-21 and FY-25. This indicates that new construction is meeting or exceeding demand, providing more options for buyers and facilitating population growth.

The average construction value of new properties is $390,000. In FY-26, $55.8 million in commercial approvals have been registered, suggesting strong local business investment. Compared to Greater Sydney, Castle Hill - Central has 814.0% more development activity per person. The majority of new building activity (98.0%) consists of medium and high-density housing, with only 2.0% being standalone homes. This shift from the area's existing housing composition (currently 60.0% houses) reflects decreasing developable sites and changing lifestyles. With around 123 people per dwelling approval, Castle Hill - Central exhibits characteristics of a growth area. According to AreaSearch's latest quarterly estimate, the area is projected to add 8,032 residents by 2041.

Current construction levels should adequately meet housing demand, creating favourable conditions for buyers and potentially exceeding current forecasted growth.

Castle Hill - Central has emerging levels of nearby infrastructure activity, ranking in the 38thth percentile nationally

Infrastructure changes significantly influence an area's performance. AreaSearch has identified 27 projects potentially impacting the area. Notable ones include Castle Towers Expansion, Levande Hills Showground, Levande Hills Showground Retirement Village, and Hills Showground East Precinct. The following list details those likely to be most relevant.

Professional plan users can use the search below to filter and access additional projects.

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

The employment landscape in Castle Hill - Central shows performance that lags behind national averages across key labour market indicators

Castle Hill - Central has an educated workforce with professional services well represented. The unemployment rate here is 4.6%. As of December 2025, 4,434 residents are employed while the unemployment rate stands at 4.7%, slightly higher than Greater Sydney's 4.2%.

Workforce participation is lower at 63.5% compared to Greater Sydney's 68.8%. Census data shows that 54.3% of residents work from home, potentially influenced by Covid-19 lockdowns. Key employment sectors include health care & social assistance, professional & technical services, and education & training.

Conversely, transport, postal & warehousing has lower representation at 3.3%, compared to the regional average of 5.3%. The area hosts more jobs than residents, with a ratio of 1.2 workers per resident, attracting workers from nearby regions. Between December 2024 and December 2025, the labour force increased by 0.2% while employment decreased by 1.2%, leading to a rise in unemployment rate of 1.4 percentage points. In contrast, Greater Sydney saw employment growth of 2.2%. National employment forecasts from Jobs and Skills Australia, published in May-25, project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Castle Hill - Central's employment mix suggests local employment should increase by 7.0% over five years and 14.3% over ten years.

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

AreaSearch's latest postcode level ATO data for financial year 2023 shows Castle Hill - Central SA2 had a median income of $59,732 and an average income of $84,094 among taxpayers. Nationally, these figures are extremely high. In Greater Sydney, the median income was $60,817 with an average of $83,094. Based on Wage Price Index growth of 10.32% since financial year 2023, current estimates for Castle Hill - Central would be approximately $65,896 (median) and $92,773 (average) as of March 2026. Census 2021 income data ranks household, family, and personal incomes in Castle Hill - Central between the 72nd and 86th percentiles nationally. The income distribution shows that 31.3% of residents (2,796 people) fall into the $1,500 - $2,999 bracket, similar to the surrounding region where 30.9% occupy this range. Economic strength is evident with 37.7% of households earning high weekly incomes exceeding $3,000, supporting elevated consumer spending. High housing costs consume 16.8% of income, but strong earnings place disposable income at the 83rd percentile nationally. The area's SEIFA income ranking places it in the 9th decile.

Castle Hill - Central displays a diverse mix of dwelling types, with above-average rates of outright home ownership

The dwelling structure in Castle Hill - Central, as per the latest Census, was 60.4% houses and 39.6% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Castle Hill - Central stood at 32.6%, with mortgaged dwellings at 35.8% and rented ones at 31.6%. The median monthly mortgage repayment was $2,700, higher than Sydney metro's average of $2,427. The median weekly rent in the area was $550, compared to Sydney metro's $470. Nationally, Castle Hill - Central's mortgage repayments were significantly higher at $1,863 and rents substantially above the national figure of $375.

Castle Hill - Central features high concentrations of family households, with a higher-than-average median household size

Family households account for 80.1% of all households, including 45.0% couples with children, 23.5% couples without children, and 10.5% single parent families. Non-family households constitute the remaining 19.9%, with lone person households at 18.2% and group households comprising 1.7%. The median household size is 2.9 people, larger than the Greater Sydney average of 2.7.

Castle Hill - Central shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

Educational attainment in Castle Hill - Central is notably high, with 47.9% of residents aged 15 years and over holding university qualifications as of the latest data point. This figure exceeds both national (30.4%) and state (NSW: 32.2%) averages. Bachelor degrees are the most common at 30.0%, followed by postgraduate qualifications at 15.1% and graduate diplomas at 2.8%. Vocational pathways account for 24.4% of qualifications among those aged 15 years and over, with advanced diplomas at 11.0% and certificates at 13.4%.

Educational participation is high, with 32.0% of residents currently enrolled in formal education. This includes 11.9% in primary education, 8.7% in secondary education, and 5.9% pursuing tertiary education.

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

Castle Hill - Central has 79 active public transport stops, offering a mix of lightrail and bus services. These stops are served by 91 individual routes, collectively facilitating 11,208 weekly passenger trips. Transport accessibility is rated excellent, with residents typically located 168 meters from the nearest stop. The area, predominantly residential, sees most residents commuting outward. Cars remain the dominant mode of transport at 79%, followed by train at 8% and bus at 7%. Vehicle ownership averages 1.3 per dwelling.

According to the 2021 Census, 54.3% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages 1,601 trips per day across all routes, equating to approximately 141 weekly trips per stop.

Castle Hill - Central's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

Health outcomes data shows excellent results across Castle Hill - Central, according to AreaSearch's assessment of mortality rates and chronic condition prevalence. The area has a very low prevalence of common health conditions across all age groups.

Approximately 62% of the total population (5,504 people) have private health cover, which is higher than the national average of 55.7%. The most prevalent medical conditions are asthma and arthritis, affecting 6.2% and 6.0% of residents respectively. A total of 76.4% of residents declare themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. In terms of demographics, 17.2% of residents are aged 65 and over (1,536 people), which is higher than the 15.5% in Greater Sydney. Health outcomes among seniors in Castle Hill - Central rank lower nationally compared to the broader population.

Castle Hill - Central is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Castle Hill-Central has high cultural diversity, with 45.7% speaking a language other than English at home and 46.5% born overseas. Christianity is the main religion, at 49.7%. Hinduism is overrepresented, at 6.6% compared to Greater Sydney's 5.2%.

The top three ancestry groups are English (16.8%), Chinese (16.2%, substantially higher than regional average of 8.4%) and Australian (15.0%). Korean (3.6% vs regional 1.1%), Spanish (0.9% vs 0.6%) and Russian (0.6% vs 0.4%) are notably overrepresented.

Castle Hill - Central's population is slightly older than the national pattern

Castle Hill - Central has a median age of 40, which is slightly higher than Greater Sydney's figure of 37 and Australia's figure of 38 years. The 45-54 age cohort is notably over-represented in Castle Hill - Central at 15.6%, compared to the Greater Sydney average. Conversely, the 25-34 year-olds are under-represented at 10.1%. Between 2021 and present, the 15-24 age group has increased from 11.5% to 13.8%, while the 75-84 cohort has risen from 5.2% to 6.4%. During this period, the 5-14 age group has declined from 16.2% to 13.7%, and the 35-44 age group has dropped from 17.2% to 15.5%. By 2041, demographic modeling suggests that Castle Hill - Central's age profile will change significantly. The 45-54 age cohort is projected to increase dramatically by 1,555 people (112%), from 1,389 to 2,945.