Fillmore is a city and the county chair of Millard County, Utah, United States. The population was 2,435 at the 2010 United States Census. It is named for the thirteenth US President Millard Fillmore, who was in office in the freshen of Millard County was created by the Utah Territorial legislature.

Fillmore was the capital of the Utah Territory from 1851 to 1856, although the territorial legislature met in Fillmore by yourself one term (1855). The original Utah Territorial Statehouse building still stands.

Fillmore, located close the geographic middle of the territory, was originally built as the capital of Utah Territory. The Utah Territorial Legislature credited a strive for to find the capital in the Pahvant Valley. On October 28, 1851, Utah supervisor Brigham Young chose the specific site for Fillmore. Jesse W. Fox, that same day, surveyed the town. Anson Call headed the colonizing company that tersely followed; they built houses, a grist mill, and a sawmill. The capitol building was begun in 1852.

In the taking into consideration years, some disagreements developed in the aerate of the Native Americans in the area, but Brigham Young sent Dimick B. Huntington to the area, and he managed to negotiate peace. The region was considered a route, along the 38th parallel, for the transcontinental railroad. Captain John W. Gunnison, leading a military party surveying the region, was attacked by a band of Pahvants (Ute) west of Fillmore. Gunnison and seven of his men were killed (October 1853). During the 1860s, two forts, Fort Deseret and Cove Fort were constructed nearby as guidance from Indian unrest.