Latest data from Public Health England reveals there were 3,419 positive cases in the county in the week to December 28.
More than 500 positive cases have been recorded in each of the past three days.
The countywide infection rate is 1,056 positive cases per 100,000 people – the highest it has been since the pandemic began.
Here are the 15 areas with the highest Covid rates.
1. Cramlington West
There were 121 positive Covid cases in Cramlington West in the week to December 28. The rate is 2,150 positive cases per 100,000 people.
2. Hexham Central with Acomb
There were 78 positive cases in Hexham Central with Acomb where the rate is 1,730.
3. Hexham West
There were 68 positive cases in Hexham West where the rate is 1,723.
4. Ponteland North
There were 83 positive cases in Ponteland North where the rate is 1,668.