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In Port Noarlunga in 2021, the largest religious group was Western (Roman) Catholic (12.4% of all people), while 57.4% of people had no religion and 4.6% did not answer the question on religion.

Port Noarlunga's religion statistics provide an indicator of cultural identity and ethnicity when observed in conjunction with other key variables. Religion data reveal the major concentrations of religions as well as revealing the proportion of people with no religious affiliation. There are a number of reasons for different religious compositions across areas including the country of birth and ethnic background of the population, the age of the population (belief in religion is generally stronger, the older the population) and changes in values and belief systems.

Port Noarlunga's religion statistics should be analysed in conjunction with other ethnicity statistics such as Country of Birth data and Language Spoken data to assist in identifying specific cultural and ethnic groups.

Please note: Due to changes in ABS rules around perturbation and additivity of data to protect the confidentiality of individuals, counts of individual religion groups and totals derived from them may differ slightly from those published by the ABS.

Q:

Derived from the Census question:

'What is the person's religion?'

Religion - Summary
Port Noarlunga - Total persons (Usual residence)20212016Change
Religion totalsNumber%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
Christian total1,09734.634.81,25143.045.0-154
Non Christian total872.72.6792.72.3+8
Non-classifiable religious belief210.70.7180.60.8+3
No Religion/secular beliefs1,82257.456.21,18240.643.5+640
Not stated1464.65.638113.18.4-235
Total Population3,173100.0100.02,911100.0100.0+262
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
Religion - Ranked by size
Port Noarlunga - Total persons (Usual residence)20212016Change
ReligionNumber%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
Western (Roman) Catholic39412.411.240013.713.8-6
Anglican32210.18.135212.111.6-30
Uniting Church1073.44.51444.96.5-37
Christian,nfd812.63.20--3.7+81
Lutheran491.51.5572.01.9-8
Baptist451.41.6551.91.9-10
Buddhism311.00.7341.20.9-3
Pentecostal290.91.2291.01.10
Jehova's Witnesses220.70.4250.90.5-3
Hinduism190.60.570.20.4+12
Show all (13 entries)
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

Excludes religions with fewer than 10 adherents.

Dominant groups

Analysis of the religious affiliation of the population of Port Noarlunga in 2021 compared to the City of Onkaparinga shows that there was a similar proportion of people who professed a religion and a higher proportion who stated they had no religion.

Overall, 37.3% of the population nominated a religion, and 57.4% said they had no religion, compared with 37.5% and 56.2% respectively for the City of Onkaparinga.

The largest single religion in Port Noarlunga was Western (Roman) Catholic, with 12.4% of the population or 394 people as adherents.

The major differences between the religious affiliation for the population of Port Noarlunga and the City of Onkaparinga were:

  • A larger percentage who nominated Anglican (10.1% compared to 8.1%)
  • A larger percentage who nominated Western (Roman) Catholic (12.4% compared to 11.2%)
  • A smaller percentage who nominated Uniting Church (3.4% compared to 4.5%)

Emerging groups

The largest change in the religious affiliation of the population in Port Noarlunga between 2016 and 2021 was for those who nominated:

  • Christian,nfd (+81 persons)

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