Northampton · Council (LGA)

Demographics & Identity in Northampton

Who lives here — how many people, how old they are, and how communities identify.

A typical resident in Northampton is 53 years old, making it far older than most other areas. The community has aged significantly over the last decade, with seniors now making up nearly 30% of the population. This shift means the area has a much smaller proportion of children compared to the rest of the country.

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📍 Northampton, Council (LGA)

Where Northampton sits — Total population

3,227 ▲ +1.1%
  • 1–2: 3 areas
  • 2–3: 0 areas
  • 3–4: 0 areas
  • 4–7: 0 areas
  • 7–12: 2 areas
  • 12–20: 1 area
  • 20–33: 0 areas
  • 33–55: 1 area
  • 55–91: 0 areas
  • 91–150: 5 areas
  • 150–248: 3 areas
  • 248–409: 13 areas
  • 409–675: 22 areas
  • 675–1,115: 38 areas
  • 1,115–1,840: 37 areas
  • 1,840–3,038: 30 areas
  • 3,038–5,014: 40 areas
  • 5,014–8,276: 49 areas
  • 8,276–13,661: 54 areas
  • 13,661–22,550: 57 areas
  • 22,550–37,223: 43 areas
  • 37,223–61,442: 49 areas
  • 61,442–101,420: 39 areas
  • 101,420–167,409: 37 areas
  • 167,409–276,336: 31 areas
  • 276,336–456,137: 8 areas
  • 456,137–752,926: 2 areas
  • 752,926–1,242,825: 1 area

All council (lga) areas, 2021. The marker is Northampton — lower than 72% of areas.

Total population compared with the state and national average
Northampton3,227
Rest of WA 534,804
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

Northampton has a total population of 3,227 people, which is smaller than about 72% of similar areas. The population grew slightly by 1.1% since 2011, adding about 35 people.

3,227 ▲ +1.1%

Lower than 72% of council (lga) areas.

  • 2011: 3,192
  • 2016: 3,319
  • 2021: 3,227

The number of people who usually live in the area, counted on Census night.

53 yrs ▲ +15.2%

Older than 93% of council (lga) areas.

  • 2011: 46 yrs
  • 2016: 51 yrs
  • 2021: 53 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

The area is heavily weighted toward older residents, with 29.6% aged 65 and over—far above the national figure of 17.2%. Meanwhile, children under 15 make up only 14.8% of the population, which is well below both the state and national averages.

29.6% ▲ +52.1%

Higher than 91% of council (lga) areas.

  • 2011: 19.5%
  • 2016: 23.8%
  • 2021: 29.6%

Share of the population aged 65 years and over.

14.8% ▼ -21.6%

Lower than 83% of council (lga) areas.

  • 2011: 18.9%
  • 2016: 15.2%
  • 2021: 14.8%

Share of the population aged under 15 years.

Age structure

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Northampton splits fairly evenly between Older adults (45–64) (31%) and Seniors (65+) (30%), with Young adults (25–44) at 18%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 5.7% of the population, which is a little above the national average. De facto relationships are also much more common here than in most areas, rising to 16.1% since the last census.

16.1% ▲ +20.9%

Higher than 80% of council (lga) areas.

  • 2011: 13.4%
  • 2016: 15.1%
  • 2021: 16.1%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In Northampton, Married is the majority at 50%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 40 males; 85+: 45 females
  • 80–84: 80–84: 58 males; 80–84: 35 females
  • 75–79: 75–79: 106 males; 75–79: 83 females
  • 70–74: 70–74: 158 males; 70–74: 119 females
  • 65–69: 65–69: 167 males; 65–69: 150 females
  • 60–64: 60–64: 170 males; 60–64: 154 females
  • 55–59: 55–59: 133 males; 55–59: 143 females
  • 50–54: 50–54: 127 males; 50–54: 97 females
  • 45–49: 45–49: 97 males; 45–49: 81 females
  • 40–44: 40–44: 70 males; 40–44: 89 females
  • 35–39: 35–39: 91 males; 35–39: 75 females
  • 30–34: 30–34: 67 males; 30–34: 82 females
  • 25–29: 25–29: 56 males; 25–29: 42 females
  • 20–24: 20–24: 47 males; 20–24: 48 females
  • 15–19: 15–19: 71 males; 15–19: 43 females
  • 10–14: 10–14: 95 males; 10–14: 66 females
  • 5–9: 5–9: 97 males; 5–9: 86 females
  • 0–4: 0–4: 63 males; 0–4: 68 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for Northampton

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Northampton [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA56790/northampton/topic/demographics-identity