The average price of a house in the last year in county Donegal was €177,000 according to the latest Residential Property Price Index.
The Border region matched the national average increase of 4.4%.
Within the county, the cheapest houses were in the Eircode region of F93, which is Lifford, at €160,000.
Those in the Letterkenny region with Eircodes beginning with F93 were an average price of €182,250.
The most expensive houses were on average €184,000 in the Donegal area, where Eircodes start with F94.