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 was approximately 21,736 as of November 2025. This figure reflects a growth of 9,177 people since the 2021 Census, which reported a population of 12,559. The increase is inferred from ABS data showing an estimated resident population of 19,426 in June 2024 and an additional 2,285 validated new addresses post-Census. This results in a density ratio of 597 persons per square kilometer. Leppington-Catherine Field's growth rate of 73.1% since the 2021 Census surpassed both state (6.7%) and metropolitan averages, positioning it as a growth leader. Interstate migration accounted for approximately 79.3% of population gains during recent periods.

AreaSearch uses ABS/Geoscience Australia projections released in 2024 with a base year of 2022 for covered areas, and NSW State Government's SA2 level projections released in 2022 with a base year of 2021 for uncovered areas. Growth rates by age group are applied to all areas from 2032 to 2041. Projected demographic shifts indicate exceptional growth over the period, with an expected increase of 43,740 persons by 2041 based on latest annual ERP population numbers, reflecting a total increase of 190.6%.

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, from FY-21 to FY-25, totalling 3,015 homes. As of FY-26162 approvals have been recorded. On average, 3.2 new residents per year are associated with each home built during this period. This outpaces supply, potentially influencing prices and buyer competition.

The average construction value of new dwellings is $345,000. In FY-26, commercial approvals totalled $37.4 million, indicating significant local business investment. Compared to Greater Sydney, Leppington-Catherine Field has 150% more construction activity per person. This area specialises in detached houses (91%) and attached dwellings (9%), maintaining its low-density character. There are approximately 52 people per dwelling approval, suggesting a growing market.

By 2041, Leppington-Catherine Field is projected to add 41,430 residents. If current construction levels continue, housing supply may lag population growth, intensifying buyer competition and supporting price increases.

Leppington - Catherine Field has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified 87 projects likely affecting the region. Notable initiatives include Prospect South to Macarthur (ProMac), Leppington Denham Court High School, Camden Valley Way and Hilder Street Intersection Upgrade, and Leppington Greens Estate. The following list details those most relevant.

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. Its unemployment rate is 2.0%, lower than Greater Sydney's 4.2%.

Employment growth over the past year is estimated at 6.1%. As of September 2025, 11,074 residents are employed, with a local unemployment rate of 2.2% and workforce participation at 63.4%. Key industries include health care & social assistance, construction, and retail trade. Construction is particularly strong, with an employment share 1.5 times the regional level.

Professional & technical services have limited presence at 6.6%, compared to 11.5% regionally. The area offers limited local employment opportunities, indicated by Census data comparing working population to resident population. Between September 2024 and September 2025, employment levels increased by 6.1%, labour force grew by 6.3%, leading to a slight unemployment rise of 0.1 percentage points. In contrast, Greater Sydney saw employment rise by 2.1% and unemployment increase by 0.2 percentage points over the same period. Statewide in NSW as of 25-Nov-25, employment contracted by 0.03%, with an unemployment rate of 3.9%. Nationally, the unemployment rate is 4.3%. Jobs and Skills Australia's forecasts from May-25 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Leppington-Catherine Field's industry mix suggests local employment should increase by 6.4% over five years and 13.3% over ten years, though this is a simple extrapolation for illustrative purposes and does not account for local population projections.

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 $58,873 and an average income of $67,601 in the financial year 2022, according to ATO data aggregated by AreaSearch. These figures are higher than Greater Sydney's median income of $56,994 and average income of $80,856 respectively. Based on a Wage Price Index growth rate of 12.61% since financial year 2022, estimated incomes for September 2025 would be approximately $66,297 (median) and $76,125 (average). Census data indicates that household incomes rank at the 81st percentile ($2,271 weekly), with the largest segment comprising 36.7% earning between $1,500 and $2,999 weekly (7,977 residents), similar to the broader area where this cohort represents 30.9%. Notably, 32.3% earn above $3,000 weekly, suggesting prosperity that fuels local economic activity. High housing costs consume 19.2% of income, but strong earnings place disposable income at the 76th percentile, and the area's SEIFA income ranking places it in the 7th decile.

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

Leppington - Catherine Field dwelling structure, as per the latest Census, consisted of 96.0% houses and 4.0% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Sydney metro's 90.4% houses and 9.6% other dwellings. Home ownership in Leppington - Catherine Field stood at 26.4%, with mortgaged dwellings at 49.1% and rented ones at 24.6%. The median monthly mortgage repayment was $2,650, higher than Sydney metro's $2,475. The median weekly rent was $550, compared to Sydney metro's $490. Nationally, Leppington - Catherine Field's mortgage repayments were significantly higher at $1,863 and rents substantially above the national figure of $375.

Leppington - Catherine Field features high concentrations of family households, with a lower-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 constitute 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 smaller than the Greater Sydney average of 3.4.

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

Leppington-Catherine Field's educational qualifications trail Greater Sydney's benchmarks, with 28.5% of residents aged 15+ having university degrees compared to 38.0%. Bachelor degrees are most prevalent at 19.3%, followed by postgraduate qualifications (7.3%) and graduate diplomas (1.9%). Vocational credentials are held by 32.1% of residents, including advanced diplomas (11.5%) and certificates (20.6%). Educational participation is high, with 29.4% currently enrolled in formal education: 11.0% in primary, 7.3% in secondary, and 4.4% in tertiary education.

Educational participation is notably 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 moderate compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Leppington-Catherine Field has 103 active public transport stops offering a mix of train and bus services. These stops are served by 57 individual routes, facilitating 5,439 weekly passenger trips in total. The area's transport accessibility is rated as good, with residents located an average of 357 meters from the nearest stop.

On average, there are 777 trips per day across all routes, equating to approximately 52 weekly trips per individual stop.

Leppington - Catherine Field's residents boast exceedingly positive health performance metrics with younger cohorts in particular seeing very low prevalence of common health conditions

Leppington-Catherine Field's health outcomes data shows excellent results, with younger age groups having particularly low prevalence rates for common health conditions.

Approximately 53% (~11,607 individuals) of the total population has private health cover. The most prevalent medical conditions are arthritis (affecting 6.0% of residents) and asthma (5.7%). Notably, 78.5% of residents claim to be completely free from medical ailments compared to Greater Sydney's average of 77.9%. The area has a senior population (aged 65 and over) of 9.8%, equating to 2,132 individuals. While health outcomes for seniors are above average, they require more attention than 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 a high level of cultural diversity, with 37.9% of its population born overseas and 46.3% speaking a language other than English at home. The predominant religion in Leppington-Catherine Field is Christianity, accounting for 58.2% of the population. Islam is overrepresented compared to Greater Sydney, comprising 12.8% versus 12.9%.

The top three ancestry groups are Other (24.3%), Australian (15.1%), and English (12.4%). There are notable differences in the representation of certain ethnic groups: Serbian (1.7% vs regional 1.9%), Maltese (3.1% vs 2.0%), and Croatian (1.6% vs 1.4%) are overrepresented in Leppington-Catherine Field compared to Greater Sydney.

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 (16.2%) but fewer residents aged 55-64 (7.4%). Post-2021 Census data shows that the age group 35-44 grew from 16.0% to 19.1%, while the 5-14 cohort increased from 14.2% to 16.2%. Conversely, the 25-34 cohort declined from 19.0% to 16.3%, and the 65-74 group decreased from 7.0% to 5.2%. Demographic modeling indicates that Leppington-Catherine Field's age profile will significantly change by 2041, with the strongest projected growth in the 45-54 cohort, which is expected to grow by 394%, adding 8,737 residents to reach a total of 10,955.