At the time of the 2006 census of the Republic of Ireland , the population of the Gaeltacht was 91,862 , approximately 2.1 % of the state 's 4,239,848 people , with major concentrations of Irish speakers located in the western counties of Donegal , Mayo , Galway , Kerry , and Cork .
At the time of the 2006 census of the Republic of Ireland , the population of the Gaeltacht was 91,862 , about 2.1 % of the state 's 4,239,848 people . The main concentrations of Irish speakers are in the western counties of Donegal , Mayo , Galway , Kerry , and Cork .