Nouns ending in -té are usually feminine.
The suffix marks an abstract quality.
Is cité masculine or feminine?
lacité
The rule behind it
91.3% of -té nouns are feminine
In context
Beaucoup de gens travaillent dans des cités industrielles.
Many people work in industrial towns.
Bientôt, la cité fut occupée par les soldats.
The city was soon occupied by the soldiers.
Il fut cité en tant que témoin.
He was summoned as a witness.