Butte County Sheriff Kory Honea also announced a shocking spike in the number of missing, which climbed to 631.
Almost 9,000 homes and other buildings, including most of the town, were incinerated last Thursday night, hours after the blaze erupted, according to the California Department of Forestry and Fire Protection (Cal Fire).
Cal Fire said the Camp Fire had grown to 140,000 acres (57,000 hectares), but was 40% contained.
Sheriff Kory Honea said almost 300 people initially reported as missing had been found alive, and the list would keep fluctuating as people were found safe or identified among the dead. He said some of those unaccounted for many never be found.
The seven additional victims brings to 63 the number of people who have died in the so-called Camp Fire in northern California.More news: Rory McIlroy giving up European Tour membership in 2019
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Almost 9000 homes and other buildings, including most of the town, were incinerated last Thursday night, hours after the blaze erupted, according to the California Department of Forestry and Fire Protection.
The White House said on Thursday that President Donald Trump, who has been criticised as having politicised the fires by casting blame on forest mismanagement, plans to visit the fire zones on Saturday to meet with displaced residents.
Two people were killed by the southern California Woolsey Fire and a third death in the area is being investigated to see if it is linked to the blaze.
The Camp Fire that's burning in Butte County is the deadliest wildfire in California state history. Thousands of survivors are now without homes and living in shelters and tent cities.
Trump's comments, which came shortly after he Trump issued an emergency declaration to allow U.S. government funds to be used to tackle three blazes, prompted an angry response from firefighters.