Bay is a cdp located in Mobile County, in the state of Alabama (AL), United States. Nestled in the East South Central division of the South region, it covers an area of 8.7 square miles (23.0 km²) and sits at an elevation of 87 ft. With a population of approximately 3,918 residents, Bay offers a peaceful, rural atmosphere.
The town's population is composed of about 50% males and 50% females, and it has a population density of 450.34 people per square mile (173.88/km²). Bay lies at a latitude of 30.47 and a longitude of -88.34, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (22.9%), followed by English (9.7%), German (7.9%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 36541.