The accident happened in Hansen's corner, in the center of Lødingen, in the Spar shop, shortly after 2 pm on Friday afternoon, according to Bladet Vesterålen.
"The woman left a store and got hit by a car. The driver of the car is charged and the driver's license is seized, says operations manager Remi Johansen of the Nordland police district at NTB.
The woman was said to have been thrown several meters into the air and taken to hospital in Tromsø with serious injuries.
Police want to get in touch with people who witnessed the incident.