The area's incidence of the disease has increased by 9 percent over the past week.
Tullamore continues to have the highest infection rate of Covid-19 in the country.
The area's incidence of the disease has increased by 9 percent over the past week, up to Monday.
The 14-day incidence rate is now 823 cases per 100,000 people - around five times higher than the national average.
A pop-up walk-in testing centre was opened in the town last week to detect asymptomatic cases. However, the positivity rate there was 2 per cent.
The area with the next highest level in the midlands is Mullingar, with a rate of 320.
While at 88, Kinnegad remains by far the least affected area in the region.
Nine local electoral areas are currently recording rates of less than 5 cases per 100,000 people, including in parts of Cork, Kerry and Mayo.
It comes as 18 more covid deaths and 761 new infections were reported last night, including 75 in the midlands.
UCC Professor Gerry Killeen - who is a founding member of I-SAG which advocates for Zero-Covid believes the country has already entered a fourth wave: