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A report that includes information by household type, population and average size for mid-2017.

Estimated households for Wales

  • Since mid-1991 the number of households has increased by 21% from 1.11 million to 1.35 million in mid-2017.
  • Between mid-2016 and mid-2017 the estimated number of households in Wales increased by 8,300 (0.6%) to 1.35 million.
  • The overall increase was mainly due to 1 person and 2 person households which remained the most common household types in Wales, based on these estimates.

Estimated households by local authority

  • The estimated number of households increased for 21 of the 22 local authorities in Wales between mid-2016 and mid-2017. The largest increases were for Cardiff, Vale of Glamorgan and Newport.
  • Ceredigion was the only local authority to show a decrease in the estimated number of households between mid-2016 and mid-2017, down 90 (0.3%).

Private household population

  • At a Wales level the estimated private household population has increased by around 11,800 between mid-2016 and mid-2017.
  • Ceredigion and Blaenau Gwent showed a decrease of their private populations.

Average household size estimates

  • The estimated average household size for Wales has been steadily decreasing, in mid-2017 the estimated average household size for Wales was 2.28 persons per household compared to of 2.52 persons in mid-1991.
  • All local authorities have shown a decrease in estimated average household size since 2011.


Household estimates, mid-2017 , file type: PDF, file size: 822 KB

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Stephanie Harries

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Telephone: 0300 025 8099

Rydym yn croesawu galwadau yn Gymraeg / We welcome calls in Welsh.