Geography thumb|100px|Talcott Mountain ridgeline thumb|200px|The Farmington River in Simsbury According to the United States Census Bureau, the town has a total area of , of which is land and , or 1.09%, is water.
Geography thumb|100px|Talcott Mountain ridgeline thumb|200px|The Farmington River in Simsbury According to the United States Census Bureau the town has a total area of  of which is land and  or 109% is water