Torbay and South Devon Trust was caring for 13 patients with coronavirus in hospital as of Wednesday, figures show.
NHS England data shows the number of people being treated in hospital with Covid-19 by 8am on May 17 was up from eight on the same day the previous week.
There were two beds occupied by patients with Covid-19 four weeks ago in Torbay and South Devon NHS Foundation Trust.
Across England there were 3,550 people in hospital with Covid as of May 17, with 89 of them in mechanical ventilation beds.
Nationally, the number of hospital patients with Covid-19 has decreased by 36% in the last four weeks, while the number on mechanical ventilators has decreased by 25%.
The figures also show that 22 new patients with Covid were admitted to hospital in Torbay and South Devon NHS Foundation Trust in the week to May 15. This was up from five in the previous seven days.