The cost of a home increased by 8.6% in the 12 months to June.
That's up from 8.5% in the year to May.
CSO figures show prices in Dublin went up by over 9%, while outside the capital, they saw a rise of 8.2%.
Nationally, the median price of a home bought in the last 12 months was €337,500.
Wicklow had the highest median prices outside of Dublin, at €445,000
Outside of Dublin the most expensive Eircode area over the last twelve months was A63 'Greystones', with a median price of just under €540,000
The second most expensive Eircode area was A98 'Bray' with a median price of €475,000.
Pride Of A County - Comeback Kings Wicklow Overcome 12-Point Mountain To End Wait For National Glory
No Changes To Starting Team As Wicklow Football Yearns For Historic Croker Triumph
Wicklow Braced Once More As Coillte Signal Orange Fire Warning
Wicklow Boss Targets Tailteann Cup Glory As Down Challenge Looms At Croke Park
Wicklow TD Calls For Straw Incorporation Funding For Struggling Tillage farmers
