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

Bilpin-Colo-St Albans' population was around 2,807 as of February 2026. This showed a decrease of 39 people since the 2021 Census, which reported a population of 2,846. The change was inferred from ABS's estimated resident population of 2,807 in June 2024 and additional validated new addresses since the Census date. The population density was 1.3 persons per square kilometer. Over the past decade, Bilpin-Colo-St Albans had a compound annual growth rate of 0.2%, outperforming its SA3 area. Overseas migration contributed approximately 72.7% to overall population gains recently.

AreaSearch uses 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 from 2022 with a 2021 base year are used. Age-specific growth rates are applied to all areas from 2032 to 2041. By 2041, projections indicate an overall population decline of 267 persons. However, the 85 and over age group is expected to expand by 131 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 approximately five dwelling approvals annually over the past five financial years, totalling 25 homes. As of FY26, three 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. New homes are being built at an average 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 possible planning constraints. All new construction consists of detached dwellings, preserving the area's traditional low-density character focused on family homes.

The estimated population per dwelling approval is 670 people, reflecting its quiet development environment. With 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 to local infrastructure significantly impact an area's performance. AreaSearch identified 13 projects that could affect this region. Notable ones 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 drivers in Bilpin - Colo - St Albans are experiencing difficulties, placing it among the bottom 20% of areas assessed across Australia

Bilpin-Colo-St Albans has an unemployment rate of 6.7% as of September 2025. In this period, 1,458 residents are employed while the unemployment rate is 2.5 percentage points higher than Greater Sydney's rate of 4.2%. Workforce participation in Bilpin-Colo-St Albans stands at 63.8%, which is lower than Greater Sydney's 70.0%.

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

Between May-24 and May-25, labour force increased by 0.5% while employment declined by 0.9% in Bilpin-Colo-St Albans, leading to a rise in unemployment rate by 1.3 percentage points. National employment forecasts from Jobs and Skills Australia project growth rates of 6.6% over five years and 12.5% over ten years for Bilpin-Colo-St Albans, considering its industry-specific employment mix.

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

The Bilpin-Colo-St Albans SA2 has an above-average national income level according to AreaSearch's aggregation of latest ATO data for financial year 2023. The median income among taxpayers in this area is $56,561, with the average income standing at $70,883. These figures compare to Greater Sydney's median and average incomes of $60,817 and $83,003 respectively. Based on Wage Price Index growth of 8.86% since financial year 2023, estimated current incomes as of September 2025 would be approximately $61,572 (median) and $77,163 (average). According to the 2021 Census, household, family, and personal incomes in Bilpin-Colo-St Albans rank modestly, between the 37th and 46th percentiles. The largest income bracket comprises 32.0% of residents earning $1,500-$2,999 weekly (898 residents), similar to the broader area where this cohort represents 30.9%. Housing affordability pressures are severe in the area, with only 84.1% of income remaining, ranking at the 47th percentile. The area's SEIFA income ranking places 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

In Bilpin-Colo-St Albans, as per the latest Census, 98.8% of dwellings were houses while 1.2% comprised semi-detached homes, apartments, and other types. This contrasts with Sydney's metropolitan area where 55.9% were houses and 44.1% other dwellings. Home ownership in Bilpin-Colo-St Albans stood at 43.3%, with mortgaged properties making up 47.9% and rented ones 8.8%. The median monthly mortgage repayment was $2,167, lower than Sydney's average of $2,427. Weekly rent was $320 compared to Sydney's $470. Nationally, Bilpin-Colo-St Albans' mortgage repayments were higher at $1,863 and rents lower at $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 held by 45.4% of residents aged 15 and above, with advanced diplomas at 12.7% and certificates at 32.7%. Educational participation is 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 operational public transport stops offering bus services. These are served by 16 routes that facilitate 160 weekly passenger trips. Transport access is considered limited with residents, on average, living 895 meters from the nearest stop. The area is predominantly residential and outward commuting is common. Cars are the primary mode of transport at 91%, while 7% walk. There's an average of 2.1 vehicles per dwelling, exceeding the regional norm.

According to the 2021 Census, 32.6% of residents work from home, potentially influenced by COVID-19 conditions. The average service frequency is 22 trips daily across all routes, equating to approximately one weekly trip per stop. A map displays the 100 nearest stops relative 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 demonstrates above-average health outcomes based on AreaSearch's assessment of mortality rates and chronic condition prevalence. Both young and old age cohorts show low prevalence of common health conditions.

The rate of private health cover is approximately 54% of the total population, around 1,518 people, compared to 59.9% across Greater Sydney. The most common medical conditions are arthritis and asthma, impacting 8.4 and 6.9% of residents respectively. 69.4% of residents declare themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. Health outcomes among the working-age population are broadly typical. The area has 25.2% of residents aged 65 and over, around 706 people, which is higher than the 15.4% in Greater Sydney. Health outcomes among seniors are particularly strong, with national rankings even higher than the general population.

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. The population breakdown was 86.7% citizens, 84.4% born in Australia, and 95.0% speaking English only at home. Christianity was the predominant religion, accounting for 52.5%.

Judaism, however, was overrepresented at 0.4%, compared to Greater Sydney's 0.8%. In terms of ancestry, Australian (29.9%), English (29.5%), and Irish (9.3%) were the top groups, significantly higher than regional averages of 17.8%, 19.0%, and 6.4% respectively. Dutch (1.9%), Maltese (1.4%), and South African (0.6%) ethnicities were notably overrepresented compared to regional figures of 0.7%, 1.0%, and 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, which is significantly higher than Greater Sydney's average of 37 years and Australia's national average of 38 years. The age profile shows that those aged 55-64 are particularly prominent, making up 17.9% of the population, while those aged 25-34 comprise only 7.6%, both figures being notably higher than the national averages of 11.2% and 13.0% respectively. Since 2021, the 75 to 84 age group has grown from 7.1% to 9.6%, while the 15 to 24 cohort increased from 9.8% to 11.5%. Conversely, the 5 to 14 age group declined from 10.9% to 9.0%, and the 45 to 54 age group dropped from 16.5% to 15.0%. Population forecasts for 2041 indicate substantial demographic changes in Bilpin-Colo-St Albans, with the 85+ cohort projected to grow by 170%, adding 114 residents to reach a total of 182. Senior residents aged 65 and above will drive all population growth, indicating a significant aging trend. Conversely, population declines are projected for those aged 0 to 4 and 25 to 34 years old.