Gardiner is a city located in Kennebec County, in the state of Maine (ME), United States. Nestled in the New England division of the North-east region, it covers an area of 15.7 square miles (41.0 km²) and sits at an elevation of 122 ft. With a population of approximately 6,198 residents, Gardiner offers a peaceful, rural atmosphere.
The town's population is composed of about 48.18% males and 51.82% females, and it has a population density of 394.78 people per square mile (152.42/km²). Gardiner lies at a latitude of 44.21 and a longitude of -69.79, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (10.9%), followed by English (24.1%), German (6%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 04345.