Officers found the woman shortly after 9 p.m. in the 9800 block of Walnut Street, near Audelia Road.
The woman, who was not publicly identified, was taken to a hospital, where she later died, according to police.
No additional information about the shooting or potential suspects was immediately available.
Anyone with information may contact detective Frank Serra at 214-662-4552 or frank.serra@dallaspolice.gov and refer to case No. 087301-2026.