Middleton is a community in Washington County, Utah, United States.

About halfway between St. George and Washington, [2][3] it is located on the east side of the Old Dixie Highway 91 tunnel, its main road, "Middleton Drive", is part of the old highway.

[4][5] It was founded in 1863, although it is now within the city limits of St. George (zip code 84770).

The first house in Middleton was built in 1872 by Alexander F.

Macdonald.