Theodore

Theodore has shown very soft population growth performance across periods assessed by AreaSearch

Theodore's population, as of November 2025, is approximately 3,726. This figure represents a decrease of 72 individuals since the 2021 Census, which reported a population of 3,798. The change is inferred from the estimated resident population of 3,726 as of June 2024 and an additional 5 validated new addresses since the Census date. This results in a population density ratio of 1,186 persons per square kilometer, which aligns with averages seen across locations assessed by AreaSearch. While Theodore experienced a 1.9% decline from census, the SA3 area achieved 0.2% growth, indicating divergent population trends. Natural growth contributed approximately 73.6% of overall population gains during recent periods.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data and years post-2032, age group growth rates from the ACT Government's SA2 area projections are adopted, also based on 2022. Future population trends indicate an overall decline by 199 persons by 2041 according to these projections. However, specific age cohorts are expected to grow, notably the 65 to 74 age group, projected to increase by 101 people.

The level of residential development activity in Theodore is very low in comparison to the average area assessed nationally by AreaSearch

Theodore has recorded approximately one residential property approval per year. Between financial years 2021 and 2025, seven homes were approved. No residential properties have been approved in the current financial year of 2026 to date.

The average value of new dwellings developed is $250,000. In this financial year, $481,000 in commercial approvals have been registered. Compared to the Australian Capital Territory, Theodore shows significantly reduced construction activity, with an 84.0% decrease below regional averages per person. This limited new supply typically supports stronger demand and values for established homes.

The area's development level is also below national averages, suggesting maturity and possible planning constraints. Recent development has solely consisted of detached houses, preserving the area's traditional suburban character focused on family homes. Population projections indicate stability or decline, which should reduce housing demand pressures, benefiting potential buyers.

Theodore has emerging levels of nearby infrastructure activity, ranking in the 28thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified four projects that may affect this region. Key projects are Banks Gateway Estate, Calwell Retirement Living Precinct, Calwell Public Housing Development, and EV Fast Charging Infrastructure - Calwell (Calwell Shopping Centre). The following details the most relevant projects.

Professional plan users can use the search below to filter and access additional projects.

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AreaSearch analysis reveals Theodore recording weaker employment conditions than most comparable areas nationwide

Theodore has 2,176 residents employed as of September 2025, with an unemployment rate of 6.0%. Its unemployment rate is 2.4% higher than the Australian Capital Territory's (ACT) rate of 3.6%, while workforce participation is similar at 74.6% compared to ACT's 69.6%.

Key employment sectors include public administration & safety, health care & social assistance, and construction. Construction stands out with an employment share 1.6 times the regional level. Professional & technical services have a limited presence, with 6.7% employment compared to the regional 11.1%. Over the year ending September 2025, employment levels remained unchanged (0.0%), while labour force grew by 0.8%, leading to an unemployment rate increase of 0.7 percentage points.

In contrast, ACT saw employment growth of 1.4% and a decrease in unemployment by 0.2 percentage points. Between November 2024 and November 2025, ACT's employment grew by 1.19%, adding 710 jobs, with an unemployment rate of 4.5%. Nationally, the unemployment rate was 4.3% during this period, with employment growth outpacing the national average of 0.14%. Job and Skills Australia forecasts suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Theodore's employment mix indicates local employment should increase by approximately 6.2% over five years and 12.7% over ten years, based on a simple weighting extrapolation for illustrative purposes.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

The Theodore SA2 has one of Australia's highest income levels according to AreaSearch aggregated ATO data for FY2022. The median income among taxpayers was $70,556 and the average was $78,196. This compares with ACT figures of $68,678 and $83,634 respectively. By September 2025, estimates suggest these figures would be approximately $80,152 (median) and $88,831 (average), based on Wage Price Index growth of 13.6% since FY2022. Census 2021 data shows Theodore's incomes rank highly nationally, between the 90th and 92nd percentiles for households, families, and individuals. Income brackets indicate 34.7% (1,292 individuals) fall within the $1,500 - $2,999 range, similar to regional patterns where 34.3% occupy this range. Higher earners are substantial with 40.8% exceeding $3,000 weekly, reflecting strong purchasing power. After housing costs, residents retain 87.0% of income, indicating robust purchasing power and the area's SEIFA income ranking places it in the 7th decile.

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

Theodore's dwelling structures, as per the latest Census, consisted of 95.1% houses and 4.9% other dwellings. In comparison, Australian Capital Territory had 79.6% houses and 20.4% other dwellings. Home ownership in Theodore was at 26.1%, with mortgaged dwellings at 55.7% and rented ones at 18.2%. The median monthly mortgage repayment was $2,002, higher than the Australian Capital Territory average of $2,000. The median weekly rent was $430, compared to the Australian Capital Territory figure of $425. Nationally, Theodore's mortgage repayments were higher at $2,002 compared to the Australian average of $1,863, and rents were substantially above the national figure of $375.

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

Family households comprise 79.6% of all households, including 40.4% couples with children, 25.5% couples without children, and 12.9% single parent families. Non-family households account for the remaining 20.4%, with lone person households at 18.4% and group households comprising 2.0%. The median household size is 2.8 people, which is larger than the Australian Capital Territory average of 2.6.

Educational attainment in Theodore aligns closely with national averages, showing typical qualification patterns and performance metrics

The area's university qualification rate is 24.8%, significantly lower than the SA4 region average of 46.8%. Bachelor degrees are most common at 16.3%, followed by postgraduate qualifications (5.8%) and graduate diplomas (2.7%). Vocational credentials are prevalent, with 36.1% of residents aged 15+ holding them, including advanced diplomas (13.1%) and certificates (23.0%). Educational participation is high at 28.1%, with 9.5% in primary education, 8.0% in secondary education, and 4.2% pursuing tertiary education.

Educational participation is notably high, with 28.1% of residents currently enrolled in formal education. This includes 9.5% in primary education, 8.0% in secondary education, and 4.2% pursuing tertiary education.

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

Theodore has 18 active public transport stops, all of which are bus stops. These stops are served by three different routes that together offer 356 weekly passenger trips. The accessibility of the transport system is deemed good, with residents on average being located 226 meters from their nearest stop.

On average, there are 50 trips per day across all routes, which amounts to approximately 19 weekly trips per individual stop.

Theodore's residents are healthier than average in comparison to broader Australia with a fairly standard level of common health conditions seen across both young and old age cohorts

Theodore's health data shows positive outcomes for its residents, with common health conditions being relatively standard across both young and elderly age groups.

Approximately 59% of Theodore's total population (2,190 people) has private health cover, which is exceptionally high. Mental health issues and asthma are the most prevalent medical conditions in the area, affecting 10.2 and 9.8% of residents respectively. A significant majority, 67.3%, report being completely free from medical ailments, compared to 66.1% across the Australian Capital Territory. As of a recent study (date not specified), Theodore has 14.1% of its population aged 65 and over (525 people), which is lower than the 17.6% in the Australian Capital Territory. Health outcomes among seniors in Theodore are notably strong, outperforming those of the general population in health metrics.

In terms of cultural diversity, Theodore records figures broadly comparable to the national average, as found in AreaSearch's assessment of a number of language and cultural background related metrics

Theodore's cultural diversity aligns with the broader regional average, as indicated by its population composition: 81.9% Australian-born, 94.2% citizens, and 86.9% speaking English exclusively at home. Christianity is the predominant religion in Theodore, accounting for 46.1% of residents. Notably, Judaism's representation stands at 0.2%, higher than the regional average of 0.1%.

The top three ancestry groups are Australian (28.2%), English (26.4%), and Irish (8.6%). Some ethnic groups show significant differences in representation: Dutch at 1.9% compared to the regional 1.4%, Croatian at 1.0% versus 0.8%, and Hungarian at 0.4% against the regional 0.3%.

Theodore's population is slightly younger than the national pattern

Theodore's median age is nearly matching the Australian Capital Territory average of 35 years at 36 years, while it is somewhat younger than Australia's median age of 38 years. Compared to the Australian Capital Territory, Theodore has a higher concentration of residents aged 55-64 (13.8%) but fewer residents aged 25-34 (14.3%). Between the 2021 Census and the present day, the proportion of residents aged 65 to 74 has grown from 6.9% to 10.1%. Conversely, the proportion of residents aged 5 to 14 has declined from 13.1% to 11.3%, and the proportion of residents aged 55 to 64 has dropped from 15.0% to 13.8%. Population forecasts for Theodore in the year 2041 indicate substantial demographic changes, with the strongest projected growth in the 65 to 74 age cohort at 22%, adding 82 residents to reach a total of 460. Senior residents aged 65 and above will drive all population growth, underscoring trends towards demographic aging. Conversely, population declines are projected for residents aged 35 to 44 and those in the 0 to 4 age cohort.