County Laois
Contae Laoise
I bpáirt leis an bpobal (Irish)
"In partnership with the community"
100px-Laois County Crest.svg
Coat of arms
250px-Island of Ireland location map Laois.svg
Provinces Leinster
County town Portlaoise
Area Rank 23rd
Population 80,559
Year 2011
Population Rank 23rd
Car plates LS

County Laois (Irish: Contae Laoise) is a county in Ireland. It is part of the Midlands Region and is also located in the province of Leinster. Laois County Council is the local authority for the county. The population of the county is 80,559 according to the 2011 census - 20% higher than it was in the 2006 census which is the highest percentage population growth in the country.


Laois is the 23rd largest of Ireland’s 32 counties in area and also 23rd largest in terms of population. It is the seventh largest of Leinster’s 12 counties in size and tenth largest in terms of population. The county is landlocked and, uniquely, does not border any other county which touches the coast.

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