The number of Covid cases notified to the Department of Health within the past 24 hours was 1,012.
A total of 33 of these cases were in Donegal.
Chief Medical Officer Dr Tony Holohan has expressed worry at the figure which also included three more deaths.
Today’s figures bring the cumulative number of cases here to 41,714 while the overall death toll is now 1,824.
Chief Medical Officer Dr Tony Holohan said: “I am very worried about the numbers we are seeing and how quickly they are deteriorating.
“All of today’s 1,012 cases were notified to the Health Protection Surveillance Centre over a period of 24 hours up to midnight.
“The 14-day incidence rate has increased from 108 per 100,000 last Sunday to 150 per 100,000 today, which represents a 39% increase.
“All of the important indicators of the disease are deteriorating. For example, there has been a consistent increase in test positivity over the past week. The test positivity rate up to midnight Friday 9th October was 6.2%, which has more than doubled in less than a fortnight.
“Case numbers are growing across all age groups and throughout the country,” said Dr Holohan.
Of the cases notified today 511 are men and 496 are women, 71% are under 45 years of age. The median age is 30 years old.
The breakdown of the cases is: 241 in Dublin, 112 in Cork, 80 in Cavan, 72 in Meath, 66 in Galway, and the remaining 441 cases are spread across 21 other counties.
The highest number of Covid-19 cases reported on a single day was 1,068 on 15 April. The deaths that day were 38.