The health body recently changed the way it records the figures.
Cases identified through a positive lateral flow test – those which can deliver results within half an hour – will no longer be counted if the person then takes a PCR test, which is sent to a lab to be checked, and receives a negative result within three days.
These cases are now being removed daily.
The rate of infection in Buckinghamshire now stands at 5,919 cases per 100,000 people, lower than the England average of 7,009.
Across the UK, the number of recorded cases increased by 16,458 over the period, to 4,522,476.
Buckinghamshire's cases were among the 548,703 recorded across the South East, a figure which rose by 1,456 over the period.
Cumulative case counts include patients who are currently unwell, have recovered and those that have died.