For more detailed mapping data visit the WDC-AIRO Mapping Tool page here » Link to Local Authority: Mayo County Council Land Mass 558,831 ha % of Ireland 8.0% Population Density (2016) 23.35 persons per sq km Human Resource County Population 2016 130,507 Population Change (2011-2016) -0.1% Top Ten Centres of Population in Mayo (2016) Castlebar … Continue reading Mayo