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City of OnkaparingaCommunity profile

City of Onkaparinga

Ancestry

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The three largest ancestries in the City of Onkaparinga in 2021 were English, Australian and Scottish.

Ancestry defines the cultural association and ethnic background of an individual going back three generations. Ancestry is a good measure of the total size of cultural groups in the City of Onkaparinga regardless of where they were born or what language they speak.

Ancestry data, should be combined with data on Birthplace, Language Spoken at Home and Religion for a more complete picture of the City of Onkaparinga's ethnic characteristics.

Please note that the "Australian Aboriginal" and "Torres Strait Islander" categories in this topic are not directly comparable from 2021 to previous years, due to a change in the wording of the question. In 2021, these options were marked boxes on the question rather than write-in options. The "Aboriginal and Torres Strait Islander Origin" question is still considered a more reliable count for this group, and can be found on the Population summary page.

Please note: Due to changes in ABS rules around perturbation and additivity of data to protect the confidentiality of individuals, counts of ancestry groups and totals derived from them may differ slightly from those published by the ABS. For more information see notes on data confidentiality.

Q:

Derived from the Census question:

'What is the person's ancestry?'

Multi-response

Ancestry - Totals
City of Onkaparinga - Total persons (Usual residence)20212016Change
Ancestry totalsNumber%Greater Adelaide %Number%Greater Adelaide %2016 to 2021
Not stated7,5993.23.28,9384.14.1-1,339
Total responses240,480----219,643----+20,837
Total people175,195----166,766----+8,429
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Ancestry - Ranked by size
City of Onkaparinga - Total persons (Usual residence)20212016Change
AncestryNumber%Greater Adelaide %Number%Greater Adelaide %2016 to 2021
English84,88748.536.879,72947.837.3+5,158
Australian66,03337.730.262,58037.530.9+3,453
Scottish17,50410.08.216,0829.68.2+1,422
Irish14,8538.57.614,4968.78.1+357
German12,9247.46.712,0407.26.8+884
Italian5,0382.96.84,4872.76.8+551
Dutch4,1292.41.73,6952.21.6+434
Australian Aboriginal3,2521.91.63810.20.3+2,871
Polish2,0491.21.31,8861.11.3+163
Welsh1,8851.10.81,7281.00.8+157
Show all (124 entries)

Excludes ancestries with fewer than 10 responses (multi-response).

Dominant groups

Analysis of the ancestry responses of the population in City of Onkaparinga in 2021 shows that the top five ancestries nominated were:

  • English (84,887 people or 48.5%)
  • Australian (66,033 people or 37.7%)
  • Scottish (17,504 people or 10.0%)
  • Irish (14,853 people or 8.5%)
  • German (12,924 people or 7.4%)

In combination these five ancestries account for 196,201 responses in total, or 111.99% of all responses.

The major differences between the ancestries of the population in the City of Onkaparinga and Greater Adelaide were:

  • A larger percentage of people with English ancestry (48.5% compared to 36.8%)
  • A larger percentage of people with Australian ancestry (37.7% compared to 30.2%)
  • A smaller percentage of people with Italian ancestry (2.9% compared to 6.8%)
  • A smaller percentage of people with Chinese ancestry (1.0% compared to 4.1%)

Emerging groups

The largest changes in the reported ancestries of the population in this area between 2016 and 2021 were:

  • English (+5,158 persons)
  • Australian (+3,453 persons)
  • Australian Aboriginal (+2,871 persons)
  • Scottish (+1,422 persons)

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