Lake Munmorah - Mannering Park

An assessment of population growth drivers in Lake Munmorah - Mannering Park reveals an overall ranking slightly below national averages considering recent, and medium term trends

Lake Munmorah - Mannering Park's population was 10,960 people as of the 2021 Census. As of Nov 2025, the population is around 11,061, reflecting an increase of 101 people (0.9%) since the Census. This change is inferred from the estimated resident population of 11,057 in June 2024 and an additional 6 validated new addresses since the Census date. The population density is 311 persons per square kilometer. Since the Census, the area's growth rate (0.9%) is within 2.2 percentage points of its SA4 region (3.1%). Overseas migration contributed approximately 75.3% of overall population gains during recent periods.

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 are used, 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 the latest annual ERP population numbers, the area is expected to expand by 149 persons to 2041, reflecting an increase of 1.3% in total over the 17-year period.

AreaSearch assessment of residential development drivers sees a low level of activity in Lake Munmorah - Mannering Park, placing the area among the bottom 25% of areas assessed nationally

Lake Munmorah - Mannering Park has recorded approximately 15 residential property approvals annually over the past five financial years, totalling 78 homes. As of FY-26, four approvals have been granted. The average population increase per dwelling built in the area between FY-21 and FY-25 is 0.5 people per year. New construction costs average $221,000, below the regional average.

This financial year has seen $690,000 in commercial approvals, indicating minimal commercial development activity. Compared to Greater Sydney, Lake Munmorah - Mannering Park shows reduced construction activity, 67.0% below the regional average per person. New development consists of 83.0% detached houses and 17.0% attached dwellings, preserving the area's low density nature. The estimated population count is 1268 people per dwelling approval. Population forecasts indicate an increase of 143 residents by 2041.

Current construction levels should adequately meet demand, creating favourable conditions for buyers and potentially enabling growth that exceeds current forecasts.

Lake Munmorah - Mannering Park has emerging levels of nearby infrastructure activity, ranking in the 31stth percentile nationally

Changes to local infrastructure significantly affect an area's performance. AreaSearch has identified nine projects likely to impact the area. Notable ones are Crangan Bay Residential Estate, Lake Munmorah Recreation Facility, Lakes Ridge Residential Estate, and Darkinjung LALC & Landcom Housing Project. The following list details those 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.

Lake Munmorah - Mannering Park has seen below average employment performance when compared to national benchmarks

Lake Munmorah - Mannering Park has a balanced workforce with representation across white and blue collar jobs. The unemployment rate was 4.2% as of June 2025, with an estimated employment growth of 1.7% over the past year.

There were 4,479 residents in work during this period, aligning with Greater Sydney's unemployment rate of 4.2%. However, workforce participation lagged behind Greater Sydney at 44.9%. Employment is concentrated in health care & social assistance, construction, and retail trade. The area has a particular specialization in construction, with an employment share 1.7 times the regional level.

Conversely, professional & technical services employ just 3.4% of local workers, below Greater Sydney's 11.5%. Over the year to June 2025, employment increased by 1.7%, while labour force grew by 2.7%, leading to a rise in unemployment rate by 0.9 percentage points. In comparison, Greater Sydney saw employment growth of 2.6% and an unemployment rate increase of 0.3 percentage points. State-level data from Nov-25 shows NSW employment contracted by 0.03%, with the state unemployment rate at 3.9%. National forecasts from May-25 project overall employment growth of 6.6% over five years and 13.7% over ten years, but these rates vary significantly between industry sectors. Applying these projections to Lake Munmorah - Mannering Park's employment mix suggests local employment should increase by 6.4% over five years and 13.3% over ten years.

Income figures position the area below 75% of locations analysed nationally by AreaSearch

According to AreaSearch's aggregation of the latest postcode level ATO data released on June 2022 for financial year 2021/2022, Lake Munmorah - Mannering Park SA2 had a median income among taxpayers of $49,223 with the average level standing at $59,696. This is below the national average and compares to levels of $56,994 and $80,856 across Greater Sydney respectively. Based on Wage Price Index growth of 12.61% since financial year 2021/2022, current estimates would be approximately $55,430 (median) and $67,224 (average) as of September 2025. Census data reveals household, family and personal incomes in Lake Munmorah - Mannering Park all fall between the 6th and 10th percentiles nationally. Distribution data shows the $400 - 799 earnings band captures 31.2% of the community (3,451 individuals), differing from patterns across the region where $1,500 - 2,999 dominates with 30.9%. Housing affordability pressures are severe, with only 83.0% of income remaining after housing costs, ranking at the 7th percentile nationally.

Lake Munmorah - Mannering Park is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

The dwelling structure in Lake Munmorah - Mannering Park, as per the latest Census, consisted of 94.4% houses and 5.5% other dwellings (semi-detached, apartments, 'other' dwellings). This is compared to Sydney metro's figures of 83.2% houses and 16.7% other dwellings. Home ownership in Lake Munmorah - Mannering Park stood at 53.3%, with the remaining dwellings being either mortgaged (29.0%) or rented (17.7%). The median monthly mortgage repayment in the area was $1,733, lower than Sydney metro's average of $1,900. The median weekly rent figure was recorded at $380, compared to Sydney metro's $385. Nationally, Lake Munmorah - Mannering Park's mortgage repayments were below the Australian average of $1,863, while rents exceeded the national figure of $375.

Lake Munmorah - Mannering Park features high concentrations of lone person households, with a lower-than-average median household size

Family households constitute 65.6 percent of all households, consisting of 20.3 percent couples with children, 32.8 percent couples without children, and 11.6 percent single parent families. Non-family households comprise the remaining 34.4 percent, with lone person households at 31.9 percent and group households making up 2.7 percent of the total. The median household size is 2.2 people, which is smaller than the Greater Sydney average of 2.5.

Lake Munmorah - Mannering Park faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally

The area's university qualification rate is 10.6%, significantly lower than Greater Sydney's average of 38.0%. Bachelor degrees are the most common at 8.0%, followed by postgraduate qualifications (1.5%) and graduate diplomas (1.1%). Vocational credentials are prevalent, with 43.6% of residents aged 15+ holding them, including advanced diplomas (9.0%) and certificates (34.6%). Currently, 23.6% of the population is engaged in formal education, with 8.5% in primary, 6.8% in secondary, and 2.6% in tertiary education.

A substantial 23.6% of the population actively pursues formal education. This includes 8.5% in primary education, 6.8% in secondary education, and 2.6% pursuing tertiary education.

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

Lake Munmorah - Mannering Park has 104 active public transport stops. These are served by a mix of buses along 58 different routes. In total, these routes facilitate 557 weekly passenger trips.

The area's transport accessibility is rated excellent, with residents located an average of 165 meters from the nearest stop. On average, there are 79 trips per day across all routes, resulting in approximately five weekly trips per individual stop.

Health performance in Lake Munmorah - Mannering Park is a key challenge with a range of health conditions having marked impacts on both younger and older age cohorts

Lake Munmorah - Mannering Park faces significant health challenges, with various conditions affecting both younger and older residents. Approximately half (50%) of the total population (~5475 people) has private health cover, compared to the national average of 55.3%.

The most prevalent medical conditions are arthritis (14.4% of residents) and mental health issues (9.5%), while 53.9% claim to have no medical ailments, compared to 61.5% in Greater Sydney. Residents aged 65 and over comprise 35.2% (3892 people), higher than the 22.3% in Greater Sydney. The health outcomes among seniors generally align with those of the broader population.

Lake Munmorah - Mannering Park is considerably less culturally diverse than average when assessed alongside AreaSearch's national rankings for language and cultural background related metrics

Lake Munmorah-Mannering Park showed low cultural diversity, with 87.5% born in Australia, 91.6% being citizens, and 97.3% speaking English only at home. Christianity was the predominant religion, at 61.0%, compared to Greater Sydney's 56.2%. The top ancestry groups were English (33.7%), Australian (31.7%), and Irish (8.2%).

Notably, Maltese (1.0% vs 1.0%) and New Zealand (0.7% vs 0.7%) had similar representation regionally, while Australian Aboriginal was slightly lower at 4.2% compared to the regional average of 4.5%.

Lake Munmorah - Mannering Park ranks among the oldest 10% of areas nationwide

The median age in Lake Munmorah - Mannering Park is 52, which is significantly higher than Greater Sydney's figure of 37 and the national norm of 38. The 75-84 age group constitutes 15.4% of the population, compared to Greater Sydney's figure and well above the national average of 6%. Post-2021 Census data shows that the 75-84 age group grew from 13.4% to 15.4%, while the 85+ cohort increased from 3.5% to 4.7%. Conversely, the 45-54 cohort declined from 10.5% to 8.7% and the 65-74 group dropped from 16.7% to 15.1%. By 2041, Lake Munmorah - Mannering Park is expected to see notable shifts in its age composition, with the 85+ group projected to grow by 99%, reaching 1,030 from 518. The aging population dynamic is clear, with those aged 65 and above comprising all of the projected growth, while declines are projected for the 45-54 and 65-74 cohorts.