Colebee (NSW)

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Based on analysis of ABS population updates for the broader area, and new addresses validated by Districts since the Census, the suburb of Colebee's population is estimated at around 6,033 as of May 2026. This reflects an increase of 1,119 people (22.8%) since the 2021 Census, which reported a population of 4,914 people. The change is inferred from the resident population of 6,029, estimated by Districts following examination of the latest ERP data release by the ABS (June 2025) and an additional 137 validated new addresses since the Census date. This level of population equates to a density ratio of 1,733 persons per square kilometer, which is above the average seen across national locations assessed by Districts. The suburb of Colebee's 22.8% growth since the 2021 census exceeded the state (7.1%), along with the Greater Sydney, marking it as a growth leader in the region. Population growth for the area was primarily driven by interstate migration that contributed approximately of overall population gains during recent periods, although all drivers including natural growth and overseas migration were positive factors.

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A highly qualified labor force resides in the suburb of Colebee, characterized by a strong presence of professional service workers and a low unemployment rate of only 1.1%, according to Districts' regional data aggregation. As of March 2026, there are 3,511 employed residents, meaning the local jobless rate sits 3.0% below the Greater Sydney average of 4.1%, while workforce participation is exceptionally high at 79.8% compared to the Greater Sydney benchmark of 69.1%. Census records indicate that a substantial 46.1% of working residents performed their duties from home, though this figure may reflect the influence of COVID-19 lockdown restrictions.

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As per Districts' latest postcode level ATO data released for financial year 2023, the suburb of Colebee's median income among taxpayers is $59,320, with an average of $66,802. This is slightly lower than average on a national basis, and compares to Greater Sydney's median of $60,817 and average of $83,003. Based on Wage Price Index growth of 10.32% since financial year 2023, current estimates would be approximately $65,442 (median) and $73,696 (average) as of March 2026. From the 2021 Census, household, family and personal incomes all rank highly in Colebee, between the 89th and 98th percentiles nationally. The earnings profile shows the $1,500 - 2,999 bracket dominates with 32.9% of residents ( people), aligning with regional levels where this cohort likewise represents . Higher earners represent a substantial presence with exceeding weekly, indicating strong purchasing power within the community. High housing costs consume of income, though strong earnings still place disposable income at the th percentile and the area's SEIFA income ranking places it in the th decile.

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An analysis of dwelling types in the suburb of Colebee at the most recent Census showed that separate houses accounted for 99.8% of the housing stock, while semi-detached homes, units, and other alternative dwellings made up just 0.2%, compared to the Sydney metropolitan splits of 55.9% and 44.1% respectively. However, home ownership rates in the suburb of Colebee lagged behind the metropolitan average, standing at 9.4%, with the remaining properties occupied by residents with a mortgage (69.8%) or renting (20.8%). The median monthly home loan payment in the area was $3,000, which is significantly higher than the Sydney metro median of $2,427, while the median weekly rent was recorded at $620 compared to the metropolitan median of $470. On a national level, mortgage costs in the suburb of Colebee are substantially higher than the Australian median of $1,863, and typical rents are well above the countrywide figure of $375.

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Families make up the vast majority of households at 94.0%, consisting of couples raising children (67.7%), couples without children (17.2%), and single parents (8.6%). Non-family living arrangements account for the remaining 6.0%, which is split between single-occupant households at 4.8% and group households at 1.0%. The typical household size stands at 3.7 individuals, which is larger than the Greater Sydney average of 2.7.

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Educational qualification levels in the suburb of Colebee are notably higher than regional and national averages, with 42.0% of residents aged 15+ holding a university degree, compared to 32.2% across NSW and 30.4% nationwide. This strong academic background prepares the local population well for white-collar and knowledge-based career paths. Undergraduate degrees are the most common qualification at 29.9%, followed by master's degrees or doctorates at 10.0%, and graduate diplomas at 2.1%. Practical and vocational qualifications are also common, with 25.9% of the population aged 15+ holding technical credentials, consisting of advanced diplomas (10.7%) and certificates (15.2%).

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Public transport options in the suburb of Colebee include 22 active passenger stops, which are serviced by buses. These stops accommodate 6 different bus routes, supporting a total of 633 passenger journeys per week. Transport links are good, with residents living an average of 239 meters from their nearest stop. Because the area is mainly residential, most workers travel outside the suburb, with private cars remaining the primary choice at 90%, and trains used by 6%. Households own an average of 2.0 cars, which is above the regional average. A high 46.1% of residents worked from home, according to the 2021 Census, which may reflect pandemic-related travel restrictions.

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Health outcomes for the suburb of Colebee are excellent, according to Districts' review of local mortality figures and long-term illness rates, which revealed low rates of common medical issues across all age brackets. Private health insurance coverage is slightly higher than the typical SA2 average, with approximately 53% of the community (~3,218 people) holding policies, compared to a rate of 59.9% recorded across the broader Greater Sydney area.

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The suburb of Colebee displays a high level of multiculturalism, with 48.2% of its residents born outside of Australia and 51.2% speaking a language other than English at home. Christianity is the most common religious affiliation, followed by 53.1% of the population. Hinduism shows a distinct concentration in the area, practiced by 14.6% of residents, which is higher than the Greater Sydney average of 5.2%.

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The suburb of Colebee has a median age of 33, making it younger than the Greater Sydney average of 37 and the national average of 38. Compared to Greater Sydney, the neighborhood has a higher share of children aged 5 - 14 (18.9%) but a lower share of young adults aged 25 - 34 (8.5%). The proportion of children aged 5 - 14 is also higher than the national benchmark of 12.0%. Since the 2021 Census, the proportion of residents aged 15 to 24 grew from 13.1% to 15.7%, and the 45 to 54 cohort expanded from 13.1% to 15.0%. In contrast, the to age group shrank from to and the to group declined from to . Long-term population forecasts for suggest significant changes, with the to cohort projected to experience the fastest growth at , adding people to reach a total of .

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Colebee currently has an estimated 446 children under 5 years old, comprising approximately 325 children aged 0-2 and 217 children aged 3-4. This cohort declined by an estimated 0% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 30% by 2041 (to approximately 582 children). Meanwhile the 5-12 cohort currently amounts to 874. Birth rates in the area have averaged 16.7 per 1,000 residents over the latest two-year period, a high rate (among the top 20% of areas assessed nationally).