No, she was the goddess of the harvest.
There were 12 Olympians: Zeus Hera Poseidon Demeter Athena Apollo Artemis Ares Aphrodite Hephaestus Hermes Dionysus
If you mean Who the goddesses of the 12 Olympians are that is: Athena, Aphrodite, Hestia, Hera, Artemis, Demeter, and Persephone.
Zeus, King of the Olympians Hera, Queen of the Olympians Demeter Poseidon Dionysus Athena Artemis Ares Apollo Hermes Hephaestus Aphrodite
Zeus, Hera, Demeter, Poseidon, Athena, Apollo, Artemis, Hephaestus, Ares, Aphrodite, Dionysus, and Hermes.
Apollo Artemis Athena Aphrodite Ares Demeter Dionysus Hades Hera Hephaestus Poseidon Zeus
Demeter is one of the twelve Olympians. Demeter is a resident of Olympus, she also favored Eleusis. Demeter was patron of the regions of Attika, Messenia and Enna.
Demeter was goddess of vegetation, fertility of the earth, and the harvest. She also presided over the change of seasons. She was one of the 12 Olympians and was the sister to Zeus and Hera, and as such, the daughter of Kronos and Rhea.
The Olympians shared portions of power; Zeus was the chief of them.
They are all major Olympians.
There are 12 Olympians and traditionally they are Zeus Hera Apollo Artemis Athena Ares Aphrodite Hephaestos Demeter Poseidon Hermes Dionysos (given his seat by Hestia, who stepped down as an Olympian to prevent there from being 13)
There are 12 major gods and goddess's (the 12 Olympians). There's Zeus, Hera, Poseidon, Athena, Ares, Artemis and Apollo, Demeter, Aphrodite, Hermes Dionysus and Hephaestus. Hades and Hestia are not included because their technically not Olympians.
They were the children of Cronus and Rhea:Hestia, Demeter, Hera, Hades, Poseidon, and Zeus.