The average rent for all dwellings in the private sector in Kilkenny is now €684 a month.
That's up €9 from the first three months of this year - and a total of almost €50 when it's compared year on year.
These latest figures are from the RTB’s Quarterly Rent Index which is compiled by the Economic and Social Research Institute (ESRI) on behalf of the RTB.
On an annual basis, nationally, rents were 9.9% higher than in Q2, 2015; up from €869 to €956.
Nationally, rents for houses were 9.3% higher annually in Q2 (up from €850 to €929), while apartment rents were 11.7% higher than in the same quarter of 2015 (up from €908 to €1,014.
Annual growth in the Dublin market was also strong, up by 9% (from €1,251 to €1,364). Dublin house rents were up by 7.5% (€1,388 to €1,492) and Dublin apartment rents were higher by 9.8% (€1,246 to €1,368).
Monthly rent for houses outside Dublin increased by 9.9% (from €688 to €756), while apartments outside Dublin experienced an increase of 12.7% (€647 up to €729).