UK
- Essex, amt iØst for England
Amerikas Forenede Stater
- Essex, en by i Middlesex County, Connecticut
- Essex, landsbyen Kankakee County, Illinois
- Essex, Page County by, Iowa
- Essex, folketællingsudpeget sted i Baltimore County, Maryland
- Essex, Essex County Kommune, Massachusetts
- Essex, Clinton County Township, Michigan
- Essex, Stoddard County Town, Missouri
- Essex, amtsby Essex, New York
- Essex, en by i Chittenden County, Vermont