Summer Hill

Development Activity

Schools in Summer Hill iICSEA: school advantage index. 1000 = national avg, higher = more advantaged

Demographics

The resident profile is older than the national average, with a median age of 43, which is 3.0 years above national, and the trend is aging: the senior share rose 4.3 points while the working-age share fell 2.5 points over the decade. Ancestry is predominantly English (51 residents), followed by Irish (12), German (10) and Scottish (8), with no significant non-English language community recorded. University qualifications reach 23.3%, which is 6.8 points below the national figure, consistent with the trades and primary-industry workforce that dominates local employment. Average household size is 3.0, half a person above the national figure, reflecting the couples-with-children families numbering 43 against 30 couples with no children across 104 total families. Volunteering runs at 28.7%, above typical metropolitan rates, suggesting strong community participation relative to the small resident base.

The housing stock is entirely separate houses, with no apartments or semi-detached dwellings recorded, making Summer Hill one of the more uniform markets in NSW by dwelling type. The four-plus bedroom segment accounts for 51.1% of dwellings, three-bedroom for 27.7% and two-bedroom for 21.3%, oriented around family-sized rural homes rather than entry-level or downsizer product. The median house price eased from $1,245,000 in 2024 to $1,200,000 in 2025, a 3.6% decline that puts the current level 3.6% below the peak. Tenure shows 47.5% carrying a mortgage, 35.0% owning outright and 17.5% renting, with the 16.3% vacancy rate indicating soft rental demand. Mortgage-to-income at 30.9% exceeds the standard stress threshold, while rent-to-income at 15.7% stays well below 30%, a divergence showing that buying stretches household budgets far more than renting does here.

Community Profile

Economy & Employment

The local workforce combines healthcare and primary industry in proportions unusual for any market. Healthcare leads at 29.0% of employed residents (9 workers) and Agriculture follows at 25.8% (8), with Wholesale and Other Services each at 12.9% and Mining at 9.7%, reflecting both the Hunter region's resource base and the area's rural service needs. By occupation, Managers (17) outnumber Professionals (13), with Labourers (7) next, a structure that helps explain why university attainment of 23.3% runs 6.8 points below national. Unemployment is high at 9.6% and the participation rate is 53.1%, partly because 34 residents are not in the labour force in an aging community. SEIFA reads mid-tier, with IRSAD and IRSD both at decile 5, while economic resources (IER) reach decile 8, lifted by widespread house and land ownership despite lower formal qualifications. Real incomes grew 19.3% over the decade.

Transport to Work

Daily life in Summer Hill is car-dependent by necessity, with 100% of commuters driving and no public transport or active travel recorded across the 44.99 square kilometres at 2.8 residents per km2. The suburb scores decile 5 on both IRSAD and IRSD nationally, a mid-range position indicating neither concentrated advantage nor disadvantage relative to other NSW localities. Community engagement stands out: volunteering runs at 28.7%, well above typical metropolitan rates, and only 3.7% of residents need daily assistance despite the older median age of 43. No schools are recorded inside the boundary, so families depend on institutions in nearby Hunter towns, a practical consideration for households with children. Rent-to-income at 15.7% keeps the small renter cohort comfortable relative to most markets nationally.

Population Forecast

Summer Hill has grown steadily, rising 14.7% over the decade and tracking from 9,770 residents in 2023 to 10,102 in 2025. Annual growth runs at 0.92%, about 93 residents per year, with medium forecasts projecting 10,531 by 2031. Internal migration is the primary driver, adding a net 117 residents a year compared to just 14 from overseas, so growth reflects domestic relocation rather than international migration. The gentrification score is 21 at the early signs stage, with population up 18% since 2011 as the key signal. Real incomes grew 19.3% over the decade, and affordability has been broadly stable, moving from 41.3% in 2011 to 42.3% in 2021, meaning prices and incomes have tracked each other without the sharp escalation seen in gentrifying urban markets. The aging trajectory, with the senior share up 4.3 points over 10 years, is the main demographic headwind.

National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs

How Summer Hill compares to ~15,000 Australian suburbs

Frequently Asked Questions