Northgate - Northfield
Statistical Area - sa2

Northgate - Northfield lies within the top 10% of areas nationally in terms of population growth performance according to AreaSearch analysis of short and medium-term trends

Northgate - Northfield's population was 19,832 as of November 2025, according to AreaSearch's analysis. This figure reflects a growth of 1,644 people since the 2021 Census, which recorded a population of 18,188. The increase is inferred from ABS estimates: 19,542 in June 2024 and an additional 293 validated new addresses post-Census. This results in a density ratio of 3,027 persons per square kilometer, placing Northgate - Northfield in the upper quartile nationally. The area's growth rate of 9.0% since the 2021 Census exceeded both state (7.1%) and metropolitan averages, positioning it as a regional growth leader. Overseas migration contributed approximately 70.9% to overall population gains recently.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered and years post-2032, the SA State Government's Regional/LGA projections by age category are adopted, released in 2023 using 2021 data. Projected demographic shifts indicate above median population growth for Australian statistical areas, with Northgate - Northfield expected to expand by 4,650 persons to 2041, reflecting a total increase of 22.0% over the 17-year period.

The level of residential development activity in Northgate - Northfield was found to be higher than 90% of real estate markets across the country

Northgate - Northfield has received approximately 159 dwelling approvals annually over the past five financial years, totalling 795 homes. As of FY-26, 52 approvals have been recorded. Each year, an average of 2.9 new residents is gained per dwelling built between FY-21 and FY-25. The average construction cost value for new homes is $197,000, which is below the regional average, indicating more affordable housing options.

This financial year has seen $600,000 in commercial development approvals, suggesting minimal commercial development activity. Northgate - Northfield maintains similar construction rates per person compared to Greater Adelaide, preserving market balance with the broader area. However, building activity has slowed in recent years.

Detached houses make up 82.0% of new building activity, while medium and high-density housing accounts for 18.0%, preserving the area's suburban nature. There are approximately 244 people per dwelling approval in Northgate - Northfield. By 2041, the area is expected to grow by 4,360 residents. Current construction rates appear balanced with future demand, fostering steady market conditions without excessive price pressure.

Northgate - Northfield has emerging levels of nearby infrastructure activity, ranking in the 25thth percentile nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified eight projects likely to impact the area. Key projects include Northern Suburbs High School at Eyre, Oakden Rise, Enfield Memorial Park Expansion & Redevelopment, and Laing St, Northfield. 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.

Northgate - Northfield ranks among the top 25% of areas assessed nationally for overall employment performance

Northgate - Northfield has a well-educated workforce with prominent representation in essential services sectors. The unemployment rate is 2.3%, with an estimated employment growth of 1.4% over the past year as of June 2025.

There are 10,339 residents employed, with an unemployment rate of 1.7%, lower than Greater Adelaide's rate of 4.0%. Workforce participation is similar to Greater Adelaide's 61.7%. Leading employment industries include health care & social assistance, retail trade, and public administration & safety.

Construction shows lower representation at 6.7% compared to the regional average of 8.7%. Over the year to June 2025, employment increased by 1.4%, while labour force increased by 1.3%, leading to a decrease in unemployment by 0.1 percentage points. In contrast, Greater Adelaide experienced employment growth of 2.1% and labour force growth of 2.1%. Jobs and Skills Australia's national employment forecasts from May 2025 indicate that Northgate - Northfield's employment is projected to increase by approximately 6.8% over five years and 14.1% over ten years, based on a simple weighting extrapolation using industry-specific projections.

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

AreaSearch's latest postcode level ATO data for financial year 2022 shows that Northgate - Northfield has lower income compared to national averages. The median income is $52,234 and the average is $58,971. In contrast, Greater Adelaide's median income is $52,592 with an average of $64,886. Based on a 12.83% Wage Price Index growth since financial year 2022, estimated incomes for September 2025 would be approximately $58,936 (median) and $66,537 (average). According to the 2021 Census, incomes in Northgate - Northfield cluster around the 52nd percentile nationally. Income distribution shows that 37.5% of locals (7,437 people) earn between $1,500 and $2,999, similar to the broader area where 31.8% fall into this range. High housing costs consume 16.5% of income, but strong earnings place disposable income at the 51st percentile nationally. The area's SEIFA income ranking places it in the 5th decile.

Northgate - Northfield displays a diverse mix of dwelling types, with ownership patterns similar to the broader region

Dwelling structure in Northgate - Northfield, as per the latest Census, consisted of 69.9% houses and 30.1% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Adelaide metro had 74.6% houses and 25.4% other dwellings. Home ownership in Northgate - Northfield was at 22.0%, with the remaining dwellings either mortgaged (44.4%) or rented (33.6%). The median monthly mortgage repayment in the area was $1,650, exceeding Adelaide metro's average of $1,603. The median weekly rent figure was recorded at $360, compared to Adelaide metro's $320. Nationally, Northgate - Northfield's mortgage repayments were lower than the Australian average of $1,863, while rents were less than the national figure of $375.

Northgate - Northfield features high concentrations of group households, with a fairly typical median household size

Family households constitute 69.3% of all households, including 33.4% couples with children, 23.7% couples without children, and 10.7% single parent families. Non-family households comprise the remaining 30.7%, with lone person households making up 26.3% and group households comprising 4.5%. The median household size is 2.5 people, which aligns with the Greater Adelaide average.

The educational profile of Northgate - Northfield exceeds national averages, with above-average qualification levels and academic performance metrics

Educational attainment in Northgate - Northfield is notably high, with 36.4% of residents aged 15+ holding university qualifications, compared to 19.8% in the SA4 region and 25.7% in South Australia overall as of 2021 data. This educational advantage is driven by Bachelor degrees (23.5%), postgraduate qualifications (10.4%), and graduate diplomas (2.5%). Vocational credentials are also prominent, with 25.7% of residents aged 15+ holding such qualifications, including advanced diplomas (9.6%) and certificates (16.1%). Educational participation is high, with 33.1% of residents currently enrolled in formal education as of the latest statistics.

This includes primary education (11.1%), tertiary education (8.3%), and secondary education (6.9%). Northgate - Northfield's three schools have a combined enrollment of 1,640 students, with typical Australian school conditions (ICSEA: 1039) and balanced educational opportunities. The area has one primary school and two K-12 schools, with school places per 100 residents (8.3) falling below the regional average (11.1), indicating some students may attend schools in adjacent areas.

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

Northgate - Northfield has 58 active public transport stops operating within its boundaries. These stops serve a mix of bus routes totaling 22 individual services. Collectively, these routes facilitate 1,797 weekly passenger trips.

The accessibility of transport is rated good, with residents on average situated 213 meters from the nearest stop. Service frequency averages 256 trips per day across all routes, translating to approximately 30 weekly trips per individual stop.

The level of general health in Northgate - Northfield is notably higher than the national average with prevalence of common health conditions low among the general population though higher than the nation's average across older, at risk cohorts

Northgate - Northfield shows better-than-average health outcomes, with lower prevalence of common conditions in its general population compared to national averages. However, it has higher rates among older, at-risk groups.

Private health cover is relatively low, at approximately 49% of the total population (~9,737 people), compared to the national average of 55.3%. The most prevalent medical conditions are mental health issues (8.0%) and arthritis (6.6%). About 73.7% of residents report no medical ailments, slightly higher than Greater Adelaide's 72.8%. The area has 13.2% of residents aged 65 and over (2,613 people), with health outcomes among seniors requiring more attention than the broader population.

Northgate - Northfield is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Northgate-Northfield has a high cultural diversity, with 41.2% of its population born overseas and 43.4% speaking a language other than English at home. Christianity is the predominant religion in Northgate-Northfield, accounting for 39.1% of its population. However, there is an overrepresentation in the 'Other' category, comprising 4.7%, compared to 5.3% across Greater Adelaide.

The top three ancestry groups are English (19.3%), Australian (17.2%), and Other (15.9%). Notably, Polish (1.3%) is slightly overrepresented compared to the regional average of 1.1%. Indian (7.9%) and Vietnamese (2.3%) also have notable representations, though they are not significantly different from the regional averages of 8.3% and 2.2%, respectively.

Northgate - Northfield's population is younger than the national pattern

Northgate-Northfield has a median age of 35, which is younger than Greater Adelaide's figure of 39 and Australia's average of 38 years. The age group of 35-44 makes up 18.5% of the population, higher than in Greater Adelaide, while the 65-74 cohort is less prevalent at 7.0%. Between 2021 and present, the 35-44 age group has increased from 17.5% to 18.5%, but the 25-34 cohort has decreased from 19.2% to 18.4%. By 2041, demographic projections show significant shifts in Northgate-Northfield's age structure, with the 45-54 group expected to grow by 37% (908 people), reaching 3,332 from 2,423.