Lakesite is a city in Hamilton County, Tennessee, United States.

It is a northern suburb of the Chattanooga, TN–GA Metropolitan Statistical Area, located 15 miles north of the city.

[6] According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.4 km2), all of it land.

As of the 2020 United States census, there were 1,856 people, 765 households, and 569 families residing in the city.

The racial makeup of the city was 98.70% White, 0.60% African American, 0.38% Asian, and 0.33% from two or more races.

In 1994 the neighborhood had grown to about 900 and residents petitioned the Lakesite City Commission for annexation.