Both Laois and Offaly have seen a quarterly increase of 11% in rent.
The average cost of rent in the midlands is just over €900.
The latest Rent Index from the Residential Tenancies Board shows nationally, that figure is €1,300.
Existing tenants in the region are paying €902 on average every month for rent, while new tenants are hit with a significantly higher rate of €1,121.
Westmeath is the most expensive county in the midlands in terms of rental costs, with an average figure of €1,038.
That's followed very closely by €1,036 in Laois, and €961 in Offaly, both which have seen some of the highest quarterly increases in the country, at a rate of 11%, respectively.
Offaly is also home to the cheapest local electorate area in terms of rent - Birr offers new tenants a rate of €770.
The highest average rental price in the country for new tenants is in Dublin, where the figure is over €2,100, while Leitrim offers the cheapest rate of €879.
A row has broken out in the Dáil over a report that found rents increased by nearly 12 percent in a year.
The Residential Tenancies Board figures show the highest annual rise since it began counting in 2007.
Sinn Fein Finance Spokesperson Pearse Doherty labelled it "shocking" and said renters were being "fleeced."
In response, Tánaiste Michéal Martin accused Sinn Féin of not wanting affordable housing on certain sites:
Fine Gael Councillor John Naughten Has Died
Midlands 103 Wins Gold At IMRO Radio Awards
Funding Being Sought To Establish Addiction Helpline In Laois
Plans Put Forward For New Wellness Facility In Laois
Laois Town To Host Conference For Diabetics
Midlands Sees Another Decline In Live Register Figures
Former Fine Gael TD Predicts Two Potential Dates If An Early Election Is Called
Laois Nursing Home Has Official Opening Today
"She Was Fun And Adventurous" - Annabel's Family On Idea Behind Proposed Play Centre
Michael O'Leary Disputes Claims He's To Blame For Rising Westmeath Land Prices
Funeral Details Announced For Former Midlands Minister Mary O'Rourke
Challenging Christmas Expected For Flight Passengers - Michael O'Leary
Columb Barracks Modular Units Expected To Be Finished This Year
Imelda Keenan's Family Vow To "Keep Fighting" After Meeting Gardaí
New Study On Impact Of different Modifiers On A Child's Education
Government Needs To Listen To Taxi Drivers - Boxer Moran
Gardaí Warning People Of Dangers Of Fireworks This Halloween
Westmeath Business Damaged Following Fire
Offaly Teen Sentenced To Life In Detention For Murder Of Offaly's Lorna Woodnutt
Kepak Invests €8m In Westmeath Plant