Leppington

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

As of Feb 2026, the estimated population of Leppington is around 15,775, reflecting a growth of 6,352 people since the 2021 Census. The population in 2021 was reported as 9,423 people. This increase represents a 67.4% change and equates to a density ratio of 774 persons per square kilometer. Leppington's growth exceeded both state (7.8%) and Greater Sydney averages, making it a growth leader in the region. Interstate migration contributed approximately 79.0% of overall population gains during recent periods. AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year, and NSW State Government's SA2 level projections for areas not covered by this data, released in 2022 with 2021 as the base year.

By 2041, Leppington is predicted to grow by 31,792 persons, reflecting a gain of 187.9% over the 17 years.

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

Leppington has seen approximately 460 new homes approved annually based on AreaSearch analysis of ABS building approval numbers. Between financial years FY-21 and FY-25, around 2,302 homes were approved, with an additional 152 approved so far in FY-26. On average, 3.1 people have moved to the area for each dwelling built over these five years.

This high demand outpaces supply, potentially driving up prices and increasing competition among buyers. Developers focus on the premium market, constructing new properties at an average expected cost of $523,000. In FY-26, commercial approvals totaled $34.6 million, indicating robust local business investment. Compared to Greater Sydney, Leppington has 160.0% more building activity per person, offering buyers greater choice. However, building activity has slowed in recent years.

Nationally, Leppington's activity is substantially higher, suggesting strong developer confidence in the location. New building activity comprises 91.0% detached dwellings and 9.0% townhouses or apartments, maintaining the area's traditional low-density character focused on family homes. There are approximately 47 people per dwelling approval, indicating an expanding market. Population forecasts estimate Leppington will gain 29,640 residents by 2041, potentially outstripping current construction levels and intensifying buyer competition, underpinning price growth if supply lags behind population growth.

Leppington has very high levels of nearby infrastructure activity, ranking in the top 10% nationally

Changes in local infrastructure significantly affect an area's performance. AreaSearch has identified 56 projects likely to impact the region. Notable ones include Leppington Greens Estate, Leppington Denham Court High School, Prospect South to Macarthur (ProMac), and Leppington Public School Upgrade. 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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Employment performance in Leppington ranks among the strongest 15% of areas evaluated nationally

Leppington has an educated workforce with strong professional services representation. Its unemployment rate was 2.3% in the past year, with estimated employment growth of 5.8%. As of December 2025, 8196 residents were employed at a 1.9% lower unemployment rate than Greater Sydney's 4.2%, and workforce participation was higher at 83.7%.

Notably, 39.3% of residents worked from home, potentially influenced by Covid-19 lockdowns. Key employment sectors include health care & social assistance, construction, and retail trade. Transport, postal & warehousing shows high specialization with an employment share 1.5 times the regional level, while professional & technical services have lower representation at 7%. Limited local employment opportunities are suggested by Census data comparison of working population versus resident population.

Between December 2024 and 2025, employment levels increased by 5.8% and labour force by 5.9%, raising the unemployment rate slightly to 3.1%. In contrast, Greater Sydney had employment growth of 2.2% and labour force growth of 2.3%. Jobs and Skills Australia's national employment forecasts from May-25 project overall growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Leppington's employment mix suggests local employment should increase by 6.5% over five years and 13.5% 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

In AreaSearch's latest postcode level ATO data released for financial year ended June 2023, Leppington suburb had a median income among taxpayers of $59,993 and an average of $68,887. This is slightly above the national average. In comparison, Greater Sydney had a median income of $60,817 and an average of $83,003. Based on Wage Price Index growth of 8.86% since financial year ended June 2023, current estimates for Leppington would be approximately $65,308 (median) and $74,990 (average) as of September 2025. According to Census 2021 income data, household, family and personal incomes in Leppington rank highly nationally, between the 68th and 82nd percentiles. Income analysis shows that the largest segment comprises 36.5% earning $1,500 - 2,999 weekly, with 5,757 residents falling into this bracket, similar to the metropolitan region where 30.9% occupy this bracket. A substantial proportion of high earners (32.4%) in Leppington indicates strong economic capacity, with high housing costs consuming 20.3% of income. Despite this, strong earnings place disposable income at the 75th percentile nationally, and the area's SEIFA income ranking places it in the 7th decile.

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

Leppington's dwelling structure, as per the latest Census, consisted of 95.7% houses and 4.3% other dwellings (semi-detached, apartments, 'other' dwellings), contrasting with Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Leppington was at 23.0%, with mortgaged dwellings at 51.5% and rented ones at 25.5%. The median monthly mortgage repayment in the area was $2,700, higher than Sydney metro's average of $2,427. Weekly rent median figure in Leppington was $550, compared to Sydney metro's $470. Nationally, Leppington's mortgage repayments were significantly higher at $1,863 and rents substantially above the national figure of $375.

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

Family households account for 84.3% of all households, including 50.9% couples with children, 24.1% couples without children, and 7.9% single parent families. Non-family households make up the remaining 15.7%, with lone person households at 14.0% and group households comprising 1.6%. The median household size is 3.2 people, larger than the Greater Sydney average of 2.7.

Leppington performs slightly above the national average for education, showing competitive qualification levels and steady academic outcomes

The area's university qualification rate of 31.4%, among residents aged 15+, is higher than the SA4 region average of 21.4% and the SA3 area average of 22.6%. Bachelor degrees are the most common at 21.2%, followed by postgraduate qualifications at 8.2% and graduate diplomas at 2.0%. Vocational credentials are also prevalent, with 30.7% of residents aged 15+ holding such qualifications: advanced diplomas at 11.8% and certificates at 18.9%.

Educational participation is high, with 29.8% of residents currently enrolled in formal education. This includes 11.4% in primary education, 7.0% in secondary education, and 4.5% pursuing tertiary education.

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

Leppington has 89 active public transport stops offering a mix of train and bus services. These stops are served by 53 different routes, facilitating 6,627 weekly passenger trips in total. Transport accessibility is deemed good, with residents on average located 313 meters from the nearest stop. Primarily residential, most Leppington residents commute outward. Cars remain the dominant mode of transport at 88%, while train usage stands at 8%. Vehicle ownership averages 1.7 per dwelling, exceeding the regional average.

According to the 2021 Census, a high 39.3% of residents work from home, potentially reflecting COVID-19 conditions. Service frequency across all routes averages 946 trips per day, equating to approximately 74 weekly trips per stop.

Leppington's residents are extremely healthy with prevalence of common health conditions low among the general population and nearer the nation's average across older, at risk cohorts

Analysis of health metrics indicates strong performance throughout Leppington. AreaSearch's assessment shows mortality rates and chronic condition prevalence were low among the general population, nearing national averages even among older, at-risk cohorts.

Private health cover was found to be high, with approximately 54% of the total population (~8,545 people), compared to Greater Sydney's 59.9%. The most common medical conditions were asthma and arthritis, impacting 5.8% and 5.6% of residents respectively. 79.5% declared themselves completely clear of medical ailments, higher than Greater Sydney's 74.6%. Leppington has 10.9% of residents aged 65 and over (1,719 people), lower than Greater Sydney's 15.4%. Health outcomes among seniors were above average but ranked lower nationally than the broader population.

Leppington 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's population has a high level of cultural diversity, with 40.9% born overseas and 49.9% speaking a language other than English at home. Christianity is the dominant religion in Leppington, making up 55.1% of its population. Notably, Islam comprises 14.4%, which is higher than Greater Sydney's average of 6.8%.

The top three ancestry groups are Other (27.3%), Australian (14.1%), and English (11.6%). Leppington has notable overrepresentation of Serbian (1.7% vs regional 0.5%), Croatian (1.6% vs 0.7%), and Lebanese (3.0% vs 2.6%) ethnic groups.

Leppington hosts a very young demographic, ranking in the bottom 10% of areas nationwide

Leppington has a median age of 32 years, which is younger than Greater Sydney's average of 37 and significantly lower than Australia's national average of 38 years. Compared to Greater Sydney, Leppington has a higher proportion of residents aged 5-14 (16.7%) but fewer residents aged 55-64 (7.5%). According to data from the 2021 Census and earlier, the age group of 35 to 44 has grown from 17.2% to 19.9%, while the 5 to 14 cohort increased from 14.4% to 16.7%. Meanwhile, the 25 to 34 cohort declined from 19.7% to 14.4%, and the 0 to 4 group dropped from 11.2% to 9.8%. Demographic projections indicate that Leppington's age profile will change significantly by 2041, with the strongest growth expected in the 45 to 54 cohort, which is projected to increase by 374%, adding 6,012 residents to reach a total of 7,622.