Residential property prices increased by 5.5% in the year to May, up from 4.6% in the year to April.
CSO figures show the price of an apartment or house went up by 6.2% outside Dublin.
In the capital, they rose by 4.9%.
Outside of Dublin, Greystones had the highest median price at over €481,000 followed by Bray at €405,000 and Celbridge in County Kildare at €395,000.
Hidden World Of Wildlife Discovered In Remarkable Avoca River DNA Study
Beastie Boy Mike D To Headline Wicklow's Beyond the Pale In First Irish Date In Eight Years
Lidl Chicken Recalled Over Salmonella Risk
Wicklow RNLI Crew Help Rescue Lone Sailor Drifting In Irish Sea Shipping Lanes
Poor First Half Leaves Wicklow Too Much To Do In Tailteann Cup Defeat To Laois