That's according to new figures released by Gardai under Operation Tara
In June of this year, additional Gardai were assigned to drug units in Cork City.
They found that while the decreased footfall due to the Covid-19 pandemic had reduced certain types of crime, drug dealing and possession of drugs for sale and supple had increased.
So far in 2020 there have been 280 detections, compared to 146 incidents in 2018, and 159 last year.