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Mount Barker Surrounds vs Mannum

Statistical Area 2 (SA2) comparison ≈ 54 km apart · Mount Barker Surrounds profile · Mannum profile

Mount Barker Surrounds Mannum

Mannum and Mount Barker Surrounds are two South Australian areas with very different social profiles. Mannum is an older community where the typical resident is 55, and 31.8% of people are aged 65 or over. It has a much lower typical household income of $901 a week. In contrast, Mount Barker Surrounds is younger, with a typical age of 43. It is also wealthier, with a typical household income of $1,784 and far more adults with a bachelor degree or higher (19.8% compared to 8.3% in Mannum).

Both areas are very similar in how many people use another language at home and the proportion of residents who have served in the Defence Force. However, the gap in wealth and age has grown over time. The difference in typical household income has widened to $883 since 2011, and the age gap has increased to 12 years. While both areas sit well above the national figure for people with no religion, this is far more common in Mount Barker Surrounds at 58.1%.

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Where they differ most

Year 12: 20.5 pts higher in Mount Barker Surrounds Participation: 20.4 pts higher in Mount Barker Surrounds Median age: 12 yrs older in Mannum Unpaid child care: 12.4 pts higher in Mount Barker Surrounds Needs assistance: 4.7 pts higher in Mannum

Demographics & Identity

Population in Mount Barker Surroundsin Mannum +231 larger in Mount Barker Surrounds gap widening
6,825 34th pct 6,594 32nd pct
Median age in Mount Barker Surroundsin Mannum +12 yrs older in Mannum gap widening
43 yrs 71st pct 55 yrs 97th pct
First Nations in Mount Barker Surroundsin Mannum +1.4 pts higher in Mannum gap steady
1.1% 30th pct 2.5% 56th pct
Aged 65+ in Mount Barker Surroundsin Mannum +15.0 pts higher in Mannum gap widening
16.8% 46th pct 31.8% 97th pct
Under 15 in Mount Barker Surroundsin Mannum +5.7 pts higher in Mount Barker Surrounds gap steady
18.5% 57th pct 12.8% 12th pct
De facto in Mount Barker Surroundsin Mannum +2.3 pts higher in Mount Barker Surrounds gap steady
14.5% 77th pct 12.2% 52nd pct

Age structure

31.7% Older adults (45–64) +0.5 pts ▸ 32.2%
16.8% Seniors (65+) +15.0 pts ▸ 31.8%
22.3% Young adults (25–44) ◂ +7.0 pts 15.3%
18.5% Children (0–14) ◂ +5.7 pts 12.8%
10.5% Youth (15–24) ◂ +2.7 pts 7.8%

Marital status

52.8% Married ◂ +6.0 pts 46.8%
31.3% Never married ◂ +4.0 pts 27.3%
10.0% Divorced +4.8 pts ▸ 14.8%
3.4% Widowed +3.4 pts ▸ 6.8%
2.5% Separated +1.9 pts ▸ 4.3%

Age & sex structure

Mount Barker Surrounds Mannum

Bars show the share of each area's own population, so differently sized areas stay comparable.

Ancestry & Birthplace

Born overseas in Mount Barker Surroundsin Mannum +1.3 pts higher in Mount Barker Surrounds gap steady
12.2% 22nd pct 10.9% 18th pct

Country of birth

82.0% Australia ◂ +2.7 pts 79.4%
6.6% England ◂ +1.2 pts 5.4%
0.8% New Zealand +0.2 pts ▸ 1.0%
0.1% Philippines +0.2 pts ▸ 0.4%
0.2% South Africa even 0.2%
0.1% India +0.1 pts ▸ 0.2%
0.1% China even 0.1%
0.1% Italy ◂ +0.1 pts 0.0%
0.0% Vietnam even 0.0%
0.0% Nepal even 0.0%

Ancestry

47.6% English ◂ +4.2 pts 43.4%
43.0% Australian ◂ +2.9 pts 40.1%
10.4% German +5.8 pts ▸ 16.2%
10.9% Scottish ◂ +1.7 pts 9.2%
7.9% Irish ◂ +0.9 pts 7.0%
2.6% Dutch ◂ +0.9 pts 1.7%
2.1% Italian ◂ +0.9 pts 1.3%
0.5% Greek ◂ +0.2 pts 0.3%
0.4% Chinese ◂ +0.3 pts 0.1%
0.2% Filipino +0.1 pts ▸ 0.4%
0.1% Indian even 0.1%
0.0% Vietnamese even 0.0%

Language

Other language in Mount Barker Surroundsin Mannum +0.7 pts higher in Mount Barker Surrounds gap steady
2.4% 6th pct 1.7% 0th pct
Limited English in Mount Barker Surroundsin Mannum even gap steady
0.2% 10th pct 0.2% 8th pct

Language used at home

92.6% English only ◂ +2.9 pts 89.8%
0.2% Greek ◂ +0.1 pts 0.0%
0.2% Italian ◂ +0.1 pts 0.1%
0.0% Tagalog +0.2 pts ▸ 0.2%
0.1% Mandarin +0.1 pts ▸ 0.1%
0.0% Punjabi even 0.0%
0.0% Arabic even 0.0%
0.0% Vietnamese even 0.0%
0.0% Cantonese even 0.0%
0.0% Hindi even 0.0%

Religion

No religion in Mount Barker Surroundsin Mannum +11.2 pts higher in Mount Barker Surrounds gap steady
58.1% 100th pct 46.8% 75th pct

Religious affiliation

58.1% No religion ◂ +11.2 pts 46.8%
32.5% Christianity +8.7 pts ▸ 41.2%
7.9% Not stated +2.7 pts ▸ 10.6%
0.7% Buddhism ◂ +0.2 pts 0.6%
0.5% Other religions even 0.5%
0.0% Islam +0.1 pts ▸ 0.1%
0.1% Judaism even 0.1%
0.1% Hinduism even 0.0%

Education & Qualifications

Year 12 in Mount Barker Surroundsin Mannum +20.5 pts higher in Mount Barker Surrounds gap widening
53.3% 44th pct 32.9% 5th pct
Bachelor+ in Mount Barker Surroundsin Mannum +11.5 pts higher in Mount Barker Surrounds gap widening
19.8% 46th pct 8.3% 5th pct
Schools in Mount Barker Surroundsin Mannum +2 more in Mannum
3 43rd pct 5 64th pct
Schools/1k kids in Mount Barker Surroundsin Mannum +3.54 more in Mannum
2.38 58th pct 5.92 89th pct
Schools ≤3 km in Mount Barker Surroundsin Mannum +4 more in Mount Barker Surrounds
12 31st pct 8 18th pct
Students in Mount Barker Surroundsin Mannum +210 more in Mannum
343 11th pct 553 20th pct
Avg size in Mount Barker Surroundsin Mannum +4 larger in Mount Barker Surrounds
114 10th pct 111 10th pct
ICSEA in Mount Barker Surroundsin Mannum +76 higher in Mount Barker Surrounds
1,014 49th pct 938 14th pct

Highest year of school

53.3% Year 12 ◂ +20.5 pts 32.9%
16.3% Year 10 +5.3 pts ▸ 21.6%
18.7% Year 11 +2.2 pts ▸ 20.9%
5.6% Year 9 or below +9.2 pts ▸ 14.7%

Highest qualification level

36.2% Certificate III / IV +6.7 pts ▸ 42.9%
21.4% Bachelor degree ◂ +9.9 pts 11.5%
15.7% Advanced diploma / diploma ◂ +3.1 pts 12.5%
5.3% Postgraduate degree ◂ +3.3 pts 2.0%
4.3% Graduate diploma / certificate ◂ +2.1 pts 2.2%
2.1% Certificate I / II +1.4 pts ▸ 3.6%

Field of qualification

15.9% Engineering & related +3.7 pts ▸ 19.5%
14.0% Society & culture ◂ +2.6 pts 11.4%
12.3% Health ◂ +1.9 pts 10.3%
12.2% Management & commerce ◂ +1.6 pts 10.6%
8.7% Education ◂ +2.8 pts 5.9%
4.9% Food, hospitality & personal services +1.4 pts ▸ 6.2%
6.2% Architecture & building ◂ +1.4 pts 4.9%
5.6% Agriculture & environment ◂ +0.2 pts 5.4%
3.2% Natural & physical sciences ◂ +1.9 pts 1.2%
2.6% Creative arts ◂ +1.4 pts 1.2%
1.4% Information technology ◂ +0.6 pts 0.8%

Income

Personal income in Mount Barker Surroundsin Mannum +$315 higher in Mount Barker Surrounds gap widening
$820 53rd pct $505 4th pct
Household income in Mount Barker Surroundsin Mannum +$883 higher in Mount Barker Surrounds gap widening
$1,784 52nd pct $901 0th pct
Family income in Mount Barker Surroundsin Mannum +$875 higher in Mount Barker Surrounds gap widening
$2,098 51st pct $1,223 3rd pct
High earners in Mount Barker Surroundsin Mannum +5.9 pts higher in Mount Barker Surrounds gap widening
9.7% 45th pct 3.8% 7th pct
High-income homes in Mount Barker Surroundsin Mannum +12.9 pts higher in Mount Barker Surrounds gap widening
18.4% 43rd pct 5.5% 0th pct

Household income distribution

25.9% $650–$1,499 +11.1 pts ▸ 37.0%
33.9% $1,500–$2,999 ◂ +14.8 pts 19.1%
12.7% Under $650 +17.0 pts ▸ 29.8%
10.6% $3,000–$3,999 ◂ +7.6 pts 3.1%
7.8% $4,000 or more ◂ +5.4 pts 2.4%

Personal income distribution

38.7% Under $650 +15.9 pts ▸ 54.6%
34.1% $650–$1,499 ◂ +7.6 pts 26.5%
17.5% $1,500–$2,999 ◂ +9.7 pts 7.8%
3.1% $3,000 or more ◂ +1.8 pts 1.3%

Health & Disability

Health condition in Mount Barker Surroundsin Mannum +9.2 pts higher in Mannum
28.9% 55th pct 38.1% 95th pct
Mental health in Mount Barker Surroundsin Mannum +2.0 pts higher in Mannum
9.6% 61st pct 11.6% 85th pct
Needs assistance in Mount Barker Surroundsin Mannum +4.7 pts higher in Mannum gap widening
3.8% 19th pct 8.4% 88th pct

Long-term health conditions reported

8.9% Arthritis +6.3 pts ▸ 15.3%
9.6% Mental health +2.0 pts ▸ 11.6%
7.5% Other condition +1.8 pts ▸ 9.3%
8.8% Asthma +0.4 pts ▸ 9.1%
4.0% Diabetes +4.1 pts ▸ 8.0%
3.4% Heart disease +3.0 pts ▸ 6.5%
3.2% Cancer +1.0 pts ▸ 4.2%
1.6% Lung condition +2.1 pts ▸ 3.7%
0.6% Stroke +1.1 pts ▸ 1.7%
0.3% Dementia +0.6 pts ▸ 0.9%

Number of long-term health conditions

63.3% None ◂ +11.7 pts 51.6%
20.6% One condition +2.5 pts ▸ 23.2%
5.9% Two conditions +3.3 pts ▸ 9.2%
2.5% Three or more +3.3 pts ▸ 5.8%

Community Participation

Volunteering in Mount Barker Surroundsin Mannum +1.0 pts higher in Mount Barker Surrounds gap steady
22.8% 90th pct 21.8% 88th pct
Unpaid carers in Mount Barker Surroundsin Mannum +0.2 pts higher in Mount Barker Surrounds gap narrowing
14.1% 82nd pct 13.9% 79th pct
Unpaid child care in Mount Barker Surroundsin Mannum +12.4 pts higher in Mount Barker Surrounds gap widening
31.1% 81st pct 18.7% 11th pct
Defence service in Mount Barker Surroundsin Mannum +1.0 pts higher in Mannum
3.6% 71st pct 4.6% 86th pct
Housework 15h+ in Mount Barker Surroundsin Mannum +1.4 pts higher in Mount Barker Surrounds gap steady
28.4% 98th pct 27.0% 92nd pct

First Nations

First Nations people in Mount Barker Surroundsin Mannum +91 larger in Mannum
73 23rd pct 164 47th pct
Median age in Mount Barker Surroundsin Mannum +5 yrs older in Mannum
17 yrs 0th pct 22 yrs 29th pct
Year 12 in Mount Barker Surroundsin Mannum +12.1 pts higher in Mannum
32.5% 22nd pct 44.6% 53rd pct
Unemployment in Mount Barker Surroundsin Mannum +19.3 pts higher in Mannum
0.0% 0th pct 19.3% 88th pct
Median income in Mount Barker Surroundsin Mannum +$17 higher in Mount Barker Surrounds
$512 22nd pct $495 18th pct
Household income in Mount Barker Surroundsin Mannum +$826 higher in Mount Barker Surrounds
$1,843 58th pct $1,017 6th pct
Indigenous language in Mount Barker Surroundsin Mannum +10.6 pts higher in Mount Barker Surrounds
13.7% 87th pct 3.0% 28th pct

Family & Households

Household size in Mount Barker Surroundsin Mannum +0.5 larger in Mount Barker Surrounds gap steady
2.6 57th pct 2.1 11th pct
One-parent in Mount Barker Surroundsin Mannum +4.8 pts higher in Mannum gap steady
9.1% 13th pct 13.9% 57th pct
Living alone in Mount Barker Surroundsin Mannum +15.1 pts higher in Mannum gap widening
19.8% 28th pct 34.9% 88th pct

Family composition

59.7% Couples with children ◂ +18.7 pts 41.0%
30.5% Couples without children +13.6 pts ▸ 44.1%
9.1% One-parent families +4.8 pts ▸ 13.9%
0.6% Other families +0.5 pts ▸ 1.0%

Household size

38.4% 2 people +3.6 pts ▸ 42.0%
19.8% 1 person +15.1 pts ▸ 34.9%
17.1% 4 people ◂ +8.1 pts 9.0%
15.3% 3 people ◂ +6.0 pts 9.3%
6.9% 5 people ◂ +3.7 pts 3.2%
2.6% 6 or more ◂ +1.1 pts 1.5%

Housing & Dwellings

Rent in Mount Barker Surroundsin Mannum +$90 higher in Mount Barker Surrounds gap steady
$305 28th pct $215 9th pct
Mortgage in Mount Barker Surroundsin Mannum +$439 higher in Mount Barker Surrounds gap widening
$1,522 29th pct $1,083 7th pct
People / bedroom in Mount Barker Surroundsin Mannum +0.10 higher in Mount Barker Surrounds gap widening
0.80 29th pct 0.70 0th pct
Renting in Mount Barker Surroundsin Mannum +6.9 pts higher in Mannum gap steady
9.9% 3rd pct 16.9% 19th pct
Owned outright in Mount Barker Surroundsin Mannum +13.5 pts higher in Mannum gap steady
35.4% 60th pct 48.9% 94th pct
Separate houses in Mount Barker Surroundsin Mannum +5.4 pts higher in Mount Barker Surrounds gap steady
99.3% 100th pct 93.9% 78th pct
3+ bedrooms in Mount Barker Surroundsin Mannum +13.1 pts higher in Mount Barker Surrounds gap widening
85.9% 70th pct 72.8% 32nd pct

How homes are owned or rented

52.4% Owned with a mortgage ◂ +22.5 pts 29.8%
35.4% Owned outright +13.5 pts ▸ 48.9%
9.9% Rented +6.9 pts ▸ 16.9%
1.4% Other tenure +1.5 pts ▸ 2.9%
1.1% Not stated +0.7 pts ▸ 1.8%

Types of homes

99.3% Separate house ◂ +5.4 pts 93.9%
0.2% Other dwelling +3.0 pts ▸ 3.2%
0.5% Townhouse / semi-detached +1.7 pts ▸ 2.1%
0.0% Flat or apartment +0.5 pts ▸ 0.5%

Bedrooms per home

45.8% 3 bedrooms +3.0 pts ▸ 48.8%
33.2% 4 bedrooms ◂ +12.8 pts 20.3%
9.6% 2 bedrooms +9.8 pts ▸ 19.4%
7.0% 5 or more ◂ +3.3 pts 3.7%
3.1% 1 bedroom +2.3 pts ▸ 5.4%
0.4% Studio / none +0.4 pts ▸ 0.8%

Weekly rent distribution

45.7% $200–$349 +10.3 pts ▸ 56.0%
13.1% Under $200 +23.9 pts ▸ 37.0%
28.2% $350–$549 ◂ +25.4 pts 2.7%
5.3% $550–$749 ◂ +5.3 pts 0.0%
0.0% $750 or more even 0.0%

Monthly mortgage distribution

39.8% $1,000–$1,799 ◂ +0.1 pts 39.8%
19.6% Under $1,000 +18.8 pts ▸ 38.4%
26.9% $1,800–$2,999 ◂ +15.5 pts 11.4%
9.5% $3,000 or more ◂ +5.1 pts 4.3%

Transport & Vehicles

No car in Mount Barker Surroundsin Mannum +2.0 pts higher in Mannum gap steady
1.3% 7th pct 3.3% 33rd pct
Work from home in Mount Barker Surroundsin Mannum +0.6 pts higher in Mount Barker Surrounds gap narrowing
12.6% 43rd pct 12.0% 40th pct
PT commute in Mount Barker Surroundsin Mannum +0.7 pts higher in Mount Barker Surrounds gap steady
0.9% 30th pct 0.2% 6th pct
PT stops in Mount Barker Surroundsin Mannum +15 more in Mannum
17 26th pct 32 42nd pct
Stops/1k in Mount Barker Surroundsin Mannum +2.36 more in Mannum
2.49 25th pct 4.85 58th pct
Departures/1k in Mount Barker Surroundsin Mannum +7.4 more in Mount Barker Surrounds
26.8 15th pct 19.4 14th pct
PT routes in Mount Barker Surroundsin Mannum +4 more in Mount Barker Surrounds
12 71st pct 8 52nd pct
Stop walk in Mount Barker Surroundsin Mannum
84 100th pct —
Drive to city in Mount Barker Surroundsin Mannum +40 longer in Mannum
53 75th pct 93 87th pct
Reach 30 min in Mount Barker Surroundsin Mannum
6,825 16th pct —
Reach 45 min in Mount Barker Surroundsin Mannum
6,825 11th pct —

How people get to work

65.6% Car (driver) ◂ +2.5 pts 63.1%
12.6% Worked at home ◂ +0.6 pts 12.0%
2.1% Walked +2.1 pts ▸ 4.3%
3.1% Car (passenger) +0.1 pts ▸ 3.2%
0.9% Bus ◂ +0.7 pts 0.2%
0.2% Bicycle even 0.2%
0.0% Train even 0.0%

Motor vehicles per home

42.1% 2 vehicles ◂ +6.8 pts 35.2%
20.5% 1 vehicle +13.7 pts ▸ 34.3%
21.1% 3 vehicles ◂ +5.5 pts 15.6%
14.9% 4 or more ◂ +3.2 pts 11.7%
1.3% No vehicle +2.0 pts ▸ 3.3%

Migration & Movement

Recent movers in Mount Barker Surroundsin Mannum +2.1 pts higher in Mannum gap steady
29.8% 16th pct 31.9% 25th pct
Recent arrivals in Mount Barker Surroundsin Mannum +0.7 pts higher in Mannum gap narrowing
1.9% 0th pct 2.6% 2nd pct

Jobs & Industry

Unemployment in Mount Barker Surroundsin Mannum +2.6 pts higher in Mannum gap steady
3.2% 13th pct 5.9% 73rd pct
Participation in Mount Barker Surroundsin Mannum +20.4 pts higher in Mount Barker Surrounds gap steady
66.5% 73rd pct 46.1% 8th pct
Full-time in Mount Barker Surroundsin Mannum +3.6 pts higher in Mount Barker Surrounds gap widening
55.9% 27th pct 52.3% 12th pct

Industries people work in

7.7% Agriculture, forestry & fishing +10.2 pts ▸ 17.8%
14.2% Health care & social assistance ◂ +2.0 pts 12.2%
12.0% Construction ◂ +2.6 pts 9.4%
8.9% Education & training ◂ +3.6 pts 5.3%
8.4% Retail trade ◂ +0.1 pts 8.3%
6.5% Manufacturing +0.7 pts ▸ 7.2%
4.4% Accommodation & food +2.3 pts ▸ 6.7%
6.3% Public administration & safety ◂ +0.7 pts 5.6%
5.7% Professional & technical ◂ +2.8 pts 2.9%
3.7% Transport & warehousing +1.6 pts ▸ 5.2%
4.4% Other services ◂ +0.6 pts 3.9%
3.7% Administrative & support +0.4 pts ▸ 4.1%

Occupations people work in

16.1% Managers +4.1 pts ▸ 20.2%
18.1% Professionals ◂ +9.2 pts 8.9%
17.9% Technicians & trades ◂ +2.9 pts 15.0%
10.4% Labourers +7.2 pts ▸ 17.6%
11.9% Community & personal service +0.8 pts ▸ 12.6%
10.5% Clerical & administrative ◂ +2.0 pts 8.5%
6.0% Machinery operators & drivers +2.3 pts ▸ 8.3%
7.1% Sales workers ◂ +0.2 pts 6.9%

Economy & Advantage

IRSAD decile in Mount Barker Surroundsin Mannum +5 higher in Mount Barker Surrounds
6 57th pct 1 0th pct
IRSD decile in Mount Barker Surroundsin Mannum +5 higher in Mount Barker Surrounds
7 64th pct 2 14th pct
IER decile in Mount Barker Surroundsin Mannum +6 higher in Mount Barker Surrounds
9 86th pct 3 29th pct
IEO decile in Mount Barker Surroundsin Mannum +5 higher in Mount Barker Surrounds
6 57th pct 1 0th pct
IRSAD score in Mount Barker Surroundsin Mannum +122 higher in Mount Barker Surrounds
1,006 54th pct 884 10th pct
ERP in Mount Barker Surroundsin Mannum +390 higher in Mount Barker Surrounds
7,402 34th pct 7,012 32nd pct
Growth in Mount Barker Surroundsin Mannum +3.5 pts higher in Mount Barker Surrounds
7.8% 73rd pct 4.3% 48th pct
Businesses in Mount Barker Surroundsin Mannum +118 higher in Mount Barker Surrounds
748 40th pct 630 33rd pct

Environment & Climate

Rainfall in Mount Barker Surroundsin Mannum +162 higher in Mount Barker Surrounds
445 8th pct 283 0th pct
Max temp in Mount Barker Surroundsin Mannum +2.4 higher in Mannum
21.4 32nd pct 23.8 51st pct
Min temp in Mount Barker Surroundsin Mannum +0.2 higher in Mount Barker Surrounds
9.7 22nd pct 9.5 20th pct

Walkability

Walk score in Mount Barker Surroundsin Mannum +0.8 higher in Mount Barker Surrounds
2.3 13th pct 1.4 7th pct
Types ≤15 min in Mount Barker Surroundsin Mannum +0.9 more in Mount Barker Surrounds
2.4 14th pct 1.5 7th pct
15-min city in Mount Barker Surroundsin Mannum +12.0 pts higher in Mount Barker Surrounds
24.4% 16th pct 12.4% 8th pct
Walk to shops in Mount Barker Surroundsin Mannum +11.1 pts higher in Mount Barker Surrounds
25.4% 17th pct 14.3% 9th pct
Walk to transit in Mount Barker Surroundsin Mannum +14.1 pts higher in Mount Barker Surrounds
38.7% 21st pct 24.7% 16th pct
Walk to school in Mount Barker Surroundsin Mannum +18.1 pts higher in Mount Barker Surrounds
35.8% 20th pct 17.7% 9th pct
Walk to a park in Mount Barker Surroundsin Mannum +1.2 pts higher in Mount Barker Surrounds
31.3% 7th pct 30.1% 7th pct
Walk to health in Mount Barker Surroundsin Mannum +3.1 pts higher in Mount Barker Surrounds
16.9% 22nd pct 13.8% 20th pct
Amenities/1k in Mount Barker Surroundsin Mannum +14.9 more in Mannum
8.8 15th pct 23.7 79th pct
Intersections/km² in Mount Barker Surroundsin Mannum +1 higher in Mount Barker Surrounds
2 15th pct 0 5th pct
Mean slope in Mount Barker Surroundsin Mannum +2.0 pts higher in Mount Barker Surrounds
7.4% 76th pct 5.4% 52nd pct

Compare Mount Barker Surrounds with nearby areas

Nairne Mount Barker Lobethal - Woodside Hahndorf - Echunga Adelaide Hills Aldgate - Stirling Uraidla - Summertown Strathalbyn

Compare Mannum with nearby areas

Barossa - Angaston Murray Bridge Tanunda Nuriootpa Waikerie Mount Barker Surrounds Adelaide Hills Lyndoch

Cite this page

Australian Bureau of Statistics. (2021). Mount Barker Surrounds vs Mannum [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/compare/sa2/401021008/mount-barker-surrounds/vs/407031164/mannum