Leppington - Catherine Field

Leppington - Catherine Field lies within the top 10% of areas nationally in terms of population growth performance according to AreaSearch analysis of short and medium-term trends

Leppington-Catherine Field's population is approximately 21,746 as of May 2026. This figure represents a 9,187 person increase (73.2%) since the 2021 Census, which reported a population of 12,559 people. The growth is inferred from ABS's estimated resident population of 21,103 in June 2025 and an additional 2,437 validated new addresses since the Census date. This results in a population density ratio of 598 persons per square kilometer. Leppington-Catherine Field's growth exceeded both the state (7.1%) and Greater Sydney figures, positioning it as a growth leader in the region. Interstate migration contributed approximately 73.8% of overall population gains during recent periods, with natural growth and overseas migration also being positive factors.

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 released in 2022 with a base year of 2021 are utilized. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. According to projected demographic shifts, Leppington-Catherine Field is predicted to grow exceptionally over the period, reaching a population of 62,502 persons by 2041 based on the latest annual ERP population numbers, reflecting an increase of 184.4% in total over the 16 years.

The level of residential development activity in Leppington - Catherine Field was found to be higher than 90% of real estate markets across the country

Leppington-Catherine Field averaged 603 new dwelling approvals annually over the past five financial years, totalling 3,015 homes. As of FY26356 approvals have been recorded. Each home built in this period attracted an average of 3.2 new residents per year. This has led to a significant demand outpacing supply, which typically puts upward pressure on prices and increases competition among buyers.

The average development value for new dwellings is $345,000. In FY26, there have been $37.4 million in commercial approvals, indicating robust local business investment. Compared to Greater Sydney, Leppington-Catherine Field records 132% more construction activity per person, reflecting strong developer confidence in the area. New development consists of 91% detached houses and 9% attached dwellings, preserving the area's low density nature. There are approximately 52 people per dwelling approval, indicating an expanding market.

Future projections estimate Leppington-Catherine Field to add 40,103 residents by 2041. Should current construction levels persist, housing supply could lag population growth, likely intensifying buyer competition and underpinning price growth.

Leppington - Catherine Field has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified 89 projects likely affecting the region. Notable initiatives include South West Sydney Rail Planning - Business Case, Gregory Hills Mixed-Use Development at 38-44 Lasso Road, Camden Valley Way and Liz Kernohan Drive Upgrade, and Prospect South to Macarthur (ProMac). The following list details projects most relevant to the area.

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

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AreaSearch analysis of employment trends sees Leppington - Catherine Field performing better than 90% of local markets assessed across Australia

Leppington-Catherine Field has an educated workforce with diverse sector representation. Unemployment stands at 2.1% as of December 2025, below Greater Sydney's 4.2%. Employment growth over the past year is estimated at 5.6%.

Residents' participation in the workforce is 73.5%, compared to Greater Sydney's 68.8%. A significant portion, 37.5%, of residents work from home according to Census responses, potentially influenced by Covid-19 lockdowns. Key industries are health care & social assistance, construction, and retail trade. Construction stands out with an employment share 1.5 times the regional level.

Professional & technical services have a limited presence at 6.6%, compared to 11.5% regionally. The area appears to offer limited local employment opportunities based on Census data comparing working population to resident population. Between December 2024 and December 2025, employment levels increased by 5.6% while unemployment rose by 0.1 percentage points. Greater Sydney saw a 2.2% employment increase during the same period. Jobs and Skills Australia's national employment forecasts from May-25 suggest overall growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Leppington-Catherine Field's industry mix, local employment is expected to grow by 6.4% over five years and 13.3% over ten years, though this is a simplified extrapolation for illustrative purposes only.

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

Leppington-Catherine Field SA2 had a median taxpayer income of $63,806 and an average income of $72,487 in the financial year 2023, according to ATO data aggregated by AreaSearch. This compares with Greater Sydney's median income of $60,817 and average income of $83,003. By March 2026, estimated incomes would be approximately $70,391 (median) and $79,968 (average), based on a 10.32% growth in wages since financial year 2023. Census data shows household incomes rank at the 81st percentile ($2,271 weekly). The largest income segment consists of 36.7% earning $1,500-$2,999 weekly (7,980 residents), similar to the broader area where this cohort represents 30.9%. Notably, 32.3% earn above $3,000 weekly. Housing costs consume 19.2% of income, but strong earnings place disposable income at the 76th percentile. The area's SEIFA income ranking places it in the 7th decile.

Leppington - Catherine Field is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region

Leppington-Catherine Field's dwelling structure, as per the latest Census, comprised 96.0% houses and 4.0% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Leppington-Catherine Field stood at 26.4%, with the rest either mortgaged (49.1%) or rented (24.6%). The median monthly mortgage repayment was $2,650, above Sydney metro's average of $2,427. Median weekly rent was $550, compared to Sydney metro's $470. Nationally, Leppington-Catherine Field's mortgage repayments were significantly higher than the Australian average of $1,863, and rents substantially above the national figure of $375.

Leppington - Catherine Field features high concentrations of family households, with a higher-than-average median household size

Family households account for 85.0% of all households, including 49.9% couples with children, 25.2% couples without children, and 8.7% single parent families. Non-family households make up the remaining 15.0%, with lone person households at 13.1% and group households comprising 1.7%. The median household size is 3.2 people, which is larger than the Greater Sydney average of 2.7.

Educational outcomes in Leppington - Catherine Field fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment

Educational qualifications in Leppington-Catherine Field trail show that 28.5% of residents aged 15 and above hold university degrees, compared to 38.0% in Greater Sydney. This indicates potential for educational development. Bachelor degrees are the most common at 19.3%, followed by postgraduate qualifications (7.3%) and graduate diplomas (1.9%). Vocational credentials are also prominent, with 32.1% of residents aged 15 and above holding them - advanced diplomas at 11.5% and certificates at 20.6%.

Educational participation is high, with 29.4% of residents currently enrolled in formal education. This includes 11.0% in primary education, 7.3% in secondary education, and 4.4% pursuing tertiary education.

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

Leppington-Catherine Field has 122 active public transport stops offering a mix of train and bus services. These are served by 55 individual routes, facilitating 6,703 weekly passenger trips in total. Residents enjoy good transport accessibility, with an average distance of 360 meters to the nearest stop. In this predominantly residential area, most commuters travel outward, primarily by car (89%), while train usage stands at 8%. The average vehicle ownership is 1.8 per dwelling, exceeding the regional norm. According to the 2021 Census, a significant proportion of residents work from home, with 37.5% doing so, potentially influenced by COVID-19 conditions.

Service frequency averages 957 trips daily across all routes, equating to around 54 weekly trips per individual stop. The provided map illustrates the 100 nearest stops relative to the location's centrepoint.

Leppington - Catherine Field's residents boast exceedingly positive health performance metrics with both young and old age cohorts seeing low prevalence of common health conditions

AreaSearch's assessment of Leppington - Catherine Field shows excellent health outcomes. Mortality rates and chronic condition prevalence are low across both young and old age cohorts.

Private health cover is high at approximately 55% of the total population (~11,938 people), compared to 59.9% in Greater Sydney. The most common conditions are arthritis (6.0%) and asthma (5.7%), while 78.5% of residents report no medical ailments, higher than Greater Sydney's 74.6%. Working-age residents have low chronic condition prevalence. Only 9.6% of residents are aged 65 and over (2,081 people), lower than Greater Sydney's 15.5%. Health outcomes among seniors are above average but rank lower nationally compared to the broader population.

Leppington - Catherine Field is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Leppington-Catherine Field has high cultural diversity, with 37.9% of its population born overseas and 46.3% speaking a language other than English at home. Christianity is the predominant religion, comprising 58.2%. Islam is overrepresented at 12.8%, higher than Greater Sydney's average of 6.8%.

The top three ancestry groups are Other (24.3%), Australian (15.1%), and English (12.4%). Notably, Serbian (1.7%) Maltese (3.1%) and Croatian (1.6%) ethnicities are overrepresented compared to regional averages of 0.5%, 1.0% and 0.7% respectively.

Leppington - Catherine Field's young demographic places it in the bottom 15% of areas nationwide

Leppington-Catherine Field has a median age of 32 years, which is younger than Greater Sydney's average of 37 and the national average of 38. Compared to Greater Sydney, Leppington-Catherine Field has a higher proportion of residents aged 5-14 (16.6%) but fewer residents aged 55-64 (7.1%). Post-2021 Census data shows the age group 35-44 grew from 16.0% to 19.2%, while the 5-14 cohort increased from 14.2% to 16.6%. Conversely, the 25-34 cohort declined from 19.0% to 15.6% and the 65-74 group dropped from 7.0% to 5.0%. Demographic modeling suggests significant changes in Leppington-Catherine Field's age profile by 2041, with the strongest projected growth in the 45-54 cohort, expected to increase by 367% to reach 10,780 residents.