The asking price for properties in Monaghan increased by over 16 percent in the past year.
The latest report from MyHome.ie shows demand for housing's skyrocketing as supply plummets.
Leitrim saw the biggest increase in Ireland, with a three-bed now advertised 42 per cent higher than before.
Monaghan had the second largest increase, with the average home now priced at €159,000.
Prices in Cavan rose by just over 1 per cent, to €152,000.
Donegal and Galway were the only counties to see a price decrease, while Longford and Roscommon were unchanged.
The stock of homes listed for sale has fallen to a fresh historic low of just 11,300.
The shortage of stock for sale or rental is most acute outside the capital and supply is far too low to meet the need of soaring demand for housing.