Latest data from Public Health England shows a steady rise in case rates since the start of December, with 1,273 positive cases in the week to December 8.
However, rates are still lower than previous peaks in July and October.
The countywide rate is 393.1 positive cases per 100,000 people.
Here are the 11 areas of Northumberland with the highest rates.
The countywide rate is 393.1 positive cases per 100,000 people.
5. Morpeth Kirkhill
There were 102 positive cases in Morpeth Kirkhill where the rate is 1,940 per 100,000. Photo: Google
6. Cramlington Village
There were 86 positive cases in Cramlington Village where the rate is 1,924 per 100,000. Photo: Google
7. Berwick North
There were 88 positive cases in Berwick North where the rate is 1,916 per 100,000. Photo: Jane Coltman
8. College
There were 96 positive cases in Ashington's College ward where the rate is 1,904 per 100,000. Photo: Google