Tuttletown (formerly, Mormon Gulch and Tuttleville) is a census-designated place (CDP)[5] in Tuolumne County, California.

[2] It is located on State Route 49 near the gold rush community of Columbia.

According to the United States Census Bureau, the CDP covers an area of 7.4 square miles (19.1 km2), 99.91% of it land and 0.09% of it water.

75 households (25.6%) were made up of individuals, and 34 (11.6%) had someone living alone who was 65 years of age or older.

There were 344 housing units at an average density of 46.8 per square mile (18.1/km2), of which 227 (77.5%) were owner-occupied, and 66 (22.5%) were occupied by renters.