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 is around 19,839 as of Aug 2025. This reflects an increase of 1,651 people since the 2021 Census, which reported a population of 18,188 people. The change is inferred from the estimated resident population of 19,542 from the ABS as of June 2024 and an additional 295 validated new addresses since the Census date. This level of population equates to a density ratio of 3,028 persons per square kilometer. Northgate - Northfield's growth of 9.1% since the 2021 census exceeded both the state (6.7%) and metropolitan area growth rates. Overseas migration contributed approximately 70.9% 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, the SA State Government's Regional/LGA projections are adopted, based on 2021 data and released in 2023. Considering these projections, an above median population growth is expected for Northgate - Northfield, with a projected increase of 4,650 persons to 2041, reflecting a total increase of 21.9% over the 17 years.

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. The Australian Bureau of Statistics reports 795 approvals in the past five financial years, from FY21 to FY25, with 8 approved so far in FY26. Each dwelling accommodates an average of 2.9 new residents per year over these years, indicating strong demand that supports property values. The average construction cost for new homes is $402,000.

This financial year has seen $600,000 in commercial development approvals, suggesting minimal commercial activity compared to residential. Compared to Greater Adelaide, Northgate - Northfield maintains similar construction rates per capita, preserving market balance with the broader area despite a recent slowdown in building activity. Detached houses account for 82% of new builds, while medium and high-density housing makes up 18%, reflecting the area's suburban character that appeals to space-seeking buyers.

With approximately 244 people per dwelling approval, Northgate - Northfield exhibits a developing market. By 2041, the area is projected to grow by 4,353 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 in local infrastructure significantly affect an area's performance. AreaSearch has identified seven projects that may impact this region. Notable projects include Northern Suburbs High School at Eyre, Oakden Rise, Laing St Northfield, and SDA High Physical Support Home Ingle Farm. The following list details those most relevant:.

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

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

Northgate - Northfield has a well-educated workforce with significant representation in essential services sectors. The unemployment rate is 2.3%, lower than the national average of 4.0%.

Employment growth over the past year was estimated at 1.4%. As of June 2025, 10,339 residents are employed while the unemployment rate is 1.7% below Greater Adelaide's rate of 4.0%. Workforce participation is similar to Greater Adelaide's 61.7%.

Leading 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%. Employment increased by 1.4% over the year ending June 2025 while labour force grew by 1.3%, leading to a slight decrease in unemployment. In contrast, Greater Adelaide experienced higher employment growth of 2.1%. State-level data from Sep-25 shows SA employment grew by 1.06% year-on-year, with the state unemployment rate at 4.5%, aligning with the national rate. National employment forecasts from May 2025 project a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Northgate - Northfield's employment mix suggests local growth of approximately 6.8%% over five years and 14.1% over ten years.

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

AreaSearch's data for financial year 2022 shows Northgate - Northfield has lower incomes than the national average. The median income is $52,234 and the average is $58,971. In Greater Adelaide, the median income is $52,592 and the average is $64,886. By March 2025, adjusted for Wage Price Index growth of 10.83%, estimated incomes would be around $57,891 (median) and $65,358 (average). The 2021 Census indicates that Northgate - Northfield's household, family, and personal incomes are at the 52nd percentile nationally. Income distribution shows that 37.5% of locals (7,439 people) earn between $1,500 and $2,999. Housing costs consume 16.5% of income, but disposable income ranks at the 51st percentile. 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

The 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 stood 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, higher than 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 at 26.3% and group households making up 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 notable, 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. Bachelor degrees are most common at 23.5%, followed by postgraduate qualifications (10.4%) and graduate diplomas (2.5%). Vocational credentials are also prevalent, with 25.7% of residents aged 15+ holding such qualifications - advanced diplomas at 9.6% and certificates at 16.1%. Educational participation is high, with 33.1% of residents currently enrolled in formal education.

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

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

The transport analysis indicates that Northgate - Northfield has 58 operational transport stops. These are served by a mix of buses on 22 different routes, facilitating 1,797 weekly passenger journeys in total. The accessibility of public transport is considered good, with residents situated an average of 213 meters from the nearest stop.

Across all routes, there are an average of 256 trips per day, translating to about 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, higher rates are seen among older, at-risk cohorts.

Private health cover stands at approximately 49% (~9,740 people), lower than the national average of 55.3%. Mental health issues and arthritis were found to be the most common medical conditions, affecting 8.0% and 6.6% of residents respectively. Overall, 73.7% reported being free from medical ailments, slightly higher than Greater Adelaide's 72.8%. The area has 13.2% (2,614 people) of residents aged 65 and over, 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 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 main religion, comprising 39.1%. The 'Other' category represents 4.7%, slightly higher than Greater Adelaide's 5.3%.

Top three ancestry groups are English (19.3%), Australian (17.2%), and Other (15.9%). Notable differences include Polish (1.3% vs regional 1.1%), Indian (7.9% vs 8.3%), and Vietnamese (2.3% vs 2.2%).

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 35-44 age group comprises 18.5% of the population, higher than Greater Adelaide's percentage, while the 65-74 cohort makes up 7.0%. Between 2021 and the present, the 35-44 age group has increased from 17.5% to 18.5%, whereas the 25-34 cohort has decreased from 19.2% to 18.4%. By 2041, demographic projections indicate significant shifts in Northgate-Northfield's age structure, with the 45-54 group expected to grow by 37%, reaching 3,332 people from its current total of 2,424.