Bilpin - Colo - St Albans

An assessment of population growth drivers in Bilpin - Colo - St Albans reveals an overall ranking slightly below national averages considering recent, and medium term trends

Based on AreaSearch's analysis, Bilpin-Colo-St Albans' population is around 2783 as of May 2026. This reflects a decrease of 63 people since the 2021 Census, which reported a population of 2846 people. The change is inferred from the estimated resident population of 2781 from the ABS as of June 2025 and an additional 8 validated new addresses since the Census date. This level of population equates to a density ratio of 1.3 persons per square kilometer. Population growth was primarily driven by overseas migration, contributing approximately 69.5% of overall population gains during recent periods.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered, NSW State Government's SA2 level projections are used, released in 2022 with 2021 as the base year. Growth rates by age group are applied to all areas for years 2032 to 2041. Projections indicate a decline of 268 persons by 2041, but growth is anticipated in specific age cohorts, notably the 85 and over age group, projected to expand by 108 people.

The level of residential development activity in Bilpin - Colo - St Albans is very low in comparison to the average area assessed nationally by AreaSearch

Bilpin-Colo-St Albans has received around 5 dwelling approvals per year on average over the past five financial years ending June 2021, totalling 25 homes. As of July 2026, 3 approvals have been recorded. The population decline in recent years has maintained adequate housing supply relative to demand, resulting in a balanced market with good buyer choice and an average new home construction cost value of $408,000. This financial year, $6.2 million in commercial approvals have been registered, indicating the area's primarily residential nature.

Compared to Greater Sydney, Bilpin-Colo-St Albans has 14.0% less new development per person and ranks at the 29th percentile nationally, offering limited buyer choices and supporting demand for existing dwellings. This is below average nationally, suggesting maturity and possible planning constraints. All new construction consists of detached dwellings, preserving the area's traditional low-density character appealing to families seeking space. With an estimated 670 people per dwelling approval, it reflects a quiet development environment.

Given stable or declining population forecasts, Bilpin-Colo-St Albans may experience less housing pressure, creating favourable conditions for buyers.

Bilpin - Colo - St Albans has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Changes in local infrastructure significantly impact an area's performance. AreaSearch has identified 13 projects that may affect this region. Notable projects include Jacaranda Ponds, Hawkesbury-Nepean Valley Flood Management, Road Improvement Program - Wire Lane, Freemans Reach, and Freemans Reach Fire Brigade Station. 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.

Employment conditions in Bilpin - Colo - St Albans face significant challenges, ranking among the bottom 10% of areas assessed nationally

Bilpin-Colo-St Albans has an unemployment rate of 7.8% as of December 2025, with 1,437 residents employed. This rate is 3.7% higher than Greater Sydney's rate of 4.2%. Workforce participation in the area is 64.4%, below Greater Sydney's 68.8%.

A high proportion of residents work from home, at 32.6%. Employment is concentrated in construction, health care & social assistance, and education & training. The area has a strong specialization in construction, with employment share at 1.8 times the regional level. Conversely, professional & technical services have lower representation, at 5.6% compared to the regional average of 11.5%.

Local employment opportunities appear limited, as indicated by the working population versus resident population count. In the 12-month period ending December 2025, labour force decreased by 0.3% and employment declined by 3.0%, causing unemployment rate to rise by 2.5 percentage points. Meanwhile, Greater Sydney experienced employment growth of 2.2%. National employment forecasts from May-25 project national employment expansion by 6.6% over five years and 13.7% over ten years. Applying these projections to Bilpin-Colo-St Albans's employment mix suggests local employment should increase by 5.9% over five years and 12.5% over ten years, based on a simple weighting extrapolation for illustrative purposes.

Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis

The Bilpin-Colo-St Albans SA2 had a median taxpayer income of $56,561 and an average income of $70,883 in the financial year 2023, according to ATO data aggregated by AreaSearch. These figures are higher than Greater Sydney's median income of $60,817 and average income of $83,003 for the same period. Based on a Wage Price Index growth rate of 10.32% since financial year 2023, estimated incomes as of March 2026 would be approximately $62,398 (median) and $78,198 (average). According to the 2021 Census, household, family, and personal incomes in Bilpin-Colo-St Albans all ranked modestly, between the 37th and 46th percentiles. The largest income bracket comprised 32.0% of residents earning $1,500-$2,999 weekly (890 residents), similar to the broader area where this cohort represented 30.9%. Housing affordability pressures were severe, with only 84.1% of income remaining after housing costs, ranking at the 47th percentile. The area's SEIFA income ranking placed it in the 6th decile.

Bilpin - Colo - St Albans is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Dwelling structure in Bilpin-Colo-St Albans, as per the latest Census, consisted of 98.8% houses and 1.2% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Bilpin-Colo-St Albans stood at 43.3%, with mortgaged dwellings at 47.9% and rented dwellings at 8.8%. The median monthly mortgage repayment was $2,167, below Sydney metro's average of $2,427. The median weekly rent was $320, compared to Sydney metro's $470. Nationally, Bilpin-Colo-St Albans's mortgage repayments were higher than the Australian average of $1,863, while rents were lower than the national figure of $375.

Bilpin - Colo - St Albans has a typical household mix, with a lower-than-average median household size

Family households constitute 71.9% of all households, including 31.0% couples with children, 33.9% couples without children, and 6.8% single parent families. Non-family households account for the remaining 28.1%, with lone person households at 24.9% and group households comprising 2.3%. The median household size is 2.5 people, which is smaller than the Greater Sydney average of 2.7.

Educational attainment in Bilpin - Colo - St Albans aligns closely with national averages, showing typical qualification patterns and performance metrics

The area's university qualification rate is 23.1%, significantly lower than the SA4 region average of 40.4%. Bachelor degrees are most common at 14.4%, followed by postgraduate qualifications (6.1%) and graduate diplomas (2.6%). Vocational credentials are prevalent, with 45.4% of residents aged 15+ holding them - advanced diplomas at 12.7% and certificates at 32.7%. Educational participation is high, with 27.6% of residents currently enrolled in formal education: 10.7% in primary, 8.5% in secondary, and 2.7% in tertiary education.

Educational participation is notably high, with 27.6% of residents currently enrolled in formal education. This includes 10.7% in primary education, 8.5% in secondary education, and 2.7% pursuing tertiary education.

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

Bilpin-Colo-St Albans has 126 active public transport stops offering bus services. These are covered by 16 routes, providing a total of 160 weekly passenger trips. Residents have limited access to transport, with an average distance of 895 meters to the nearest stop. Most residents commute outward from this primarily residential area. Cars dominate travel at 91%, while 7% walk. Vehicle ownership averages 2.1 per dwelling, higher than the regional average.

According to the 2021 Census, 32.6% of residents work from home, which may be influenced by COVID-19 conditions. Service frequency across all routes is approximately 22 trips per day, equating to about one weekly trip per stop. A map accompanies this data, showing the 100 nearest stops to the location's centerpoint.

The level of general health in Bilpin - Colo - St Albans is notably higher than the national average with both young and old age cohorts seeing low prevalence of common health conditions

Bilpin-Colo-St Albans shows better-than-average health outcomes based on AreaSearch's evaluation of mortality rates and chronic condition prevalence. Both younger and older age groups have low prevalence of common health conditions.

Private health cover is high at approximately 54% of the total population (around 1,505 people), compared to 59.9% in Greater Sydney. The most prevalent medical conditions are arthritis (8.4%) and asthma (6.9%). About 69.4% of residents claim no medical ailments, compared to 74.6% across Greater Sydney. Health outcomes among working-age individuals are generally typical. The area has a higher proportion of seniors aged 65 and over at 25.3% (702 people), compared to 15.5% in Greater Sydney. Senior health outcomes rank favourably, even higher than the general population nationally.

Bilpin - Colo - St Albans ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Bilpin-Colo-St Albans, as per the 2016 Census, had a cultural diversity index of below average. Its population was predominantly Australian-born citizens with English spoken at home: 86.7%, 84.4%, and 95.0% respectively. Christianity was the dominant religion, comprising 52.5%.

Judaism, however, was overrepresented at 0.4% compared to Greater Sydney's 0.8%. In terms of ancestry, Australian (29.9%) and English (29.5%) were significantly higher than regional averages of 17.8% and 19.0%, respectively. Irish ancestry stood at 9.3%. Notable divergences included Dutch (1.9% vs regional 0.7%), Maltese (1.4% vs 1.0%), and South Australian (0.6% vs 0.5%).

Bilpin - Colo - St Albans hosts an older demographic, ranking in the top quartile nationwide

Bilpin-Colo-St Albans's median age is 48 years, significantly higher than Greater Sydney's average of 37 years and Australia's national average of 38 years. The age profile shows that individuals aged 55-64 are particularly prominent, making up 17.7% of the population, compared to 8.5% for those aged 25-34. This concentration of 55-64 year-olds is well above the national average of 11.2%. Since 2021, the 75-84 age group has grown from 7.1% to 9.7%, while the 15-24 cohort has increased from 9.8% to 11.4%. Conversely, the 45-54 age group has declined from 16.5% to 14.4%, and the 5-14 age group has dropped from 10.9% to 9.0%. Population forecasts for 2041 indicate substantial demographic changes in Bilpin-Colo-St Albans, with the 85+ cohort projected to grow by 171%, adding 100 residents to reach a total of 159. Senior residents aged 65 and above will drive all population growth, highlighting trends towards an aging demographic. Conversely, population declines are projected for those aged 0-4 and 25-34 years.