Over 6% have been waiting for longer than 12 months.
Nearly 32,500 people are waiting for an appointment at a midlands hospital.
Figures from the National Treatment Purchase Fund show over 6% of those have been waiting longer than a year, while over 4,000 are children.
Regional Hospital Tullamore is the worst affected by waiting lists, with over 14,000 patients seeking an appointment, while Mullingar has over 12,000.
The waiting list at Regional Hospital Portlaoise is significantly smaller, but still accounts for more than 5,000 patients.
Nationally, over 400,000 people on the Active Waiting Lists have been there for longer than the Sláinte care maximum wait times.