Much of the demand for homes is in towns which service the city, in particular Oranmore (277), Tuam (207), Athenry (206) and Claregalway (118).
There is no zoned housing land in Headfort, Claregalway, Kilcolgan, Kinvara, Oughterard or Portumna, all lively towns, while in An Spideal, there is enough zoned for 698 homes but water and other services are in place on just a small amount of land.
Three-quarters of the county's population live in rural areas, many of which are losing population. The county benefited from the reopening of the Galway to Limerick railway line, although the numbers using it are low, while the M17 Gort to Tuam motorway is now under construction.
Land zoned (ha): 257
Potential number of homes: 5,727
Housing requirement: 1,209
Percentage of zoned land needed: 21.1pc
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The Residential Land Availability Survey map was created by drawing together zoning maps held by each local authority in the State.
Developed by the Department of the Environment, it sets out individual plots of land in towns, villages, cities and rural areas, and indicates the number of homes permitted on each site.
It took almost two years to develop, and provides planners and developers with an overview of the available land for housing.
It does not include land zoned for mixed-use development, which would generally include some housing provision. Nor does it include derelict sites.
The data is based on the situation as of March 31 last. Stage 1 land is considered not viable for development in the short-term because necessary services such as water are not in place. Stage 2 land has no major constraints. Not all the land has planning permission.