Laois is only ranked a couple of spots better in the table by Transparency International Ireland.
Westmeath and Offaly county councils are in the bottom five local authorities in the country for transparancy.
Councils are being criticised for not publishing financial donations given to their councillors.
A National Integrity Index of all 31 local authorities shows just 10 are displaying their councillors' political donations.
The Transparency International Ireland research has Laois at 23rd with Offaly in 27th and Westmeath ranked as the worst along with Kerry county council.
Fingal and South Dublin County Councils are the most transparent.
Dr. Elliott Jordan-Doak from TI Ireland says it's vital the public knows if their councillors are receiving donations:
HSE Recommends Against State Funding For Friedreich’s Ataxia Drug
Offaly Hurling Legend Padraig Horan Dies At 76
Sinn Féin Calls For Action As Driving Test Backlog Grows
Roadworks To Cause Delays On Offaly Roads Next Week
Free Heart Health Checks In Laois Today
Laois Fire Fighters Tackle Latest Bog Blaze
"Great" Local Link Midlands Route Mothballed Over Funding Gap
Temperatures Of 30 Degrees Forecast For Leinster Counties