1847History
When Mormon pioneers entered the Great Salt Lake Valley in July 1847, it was covered with abundant tall grass.
1849Government
In September 1849, three families settled on a small stream south of present-day Tooele City.
1853History
Other families slowly joined them, and by 1853 Tooele City Corporation was organized.
1904Architecture
The 20th century brought more industrialization; in 1904 the Los Angeles and Salt Lake Railroad built a line through the city, and in 1909 the International Smelting and Refinin...
1910History
The smelter began processing copper in 1910, with lead and zinc processing commencing in 1912.
1941Architecture
By 1941 a 22,000 ft tunnel had been completed through the mountain, to move ore to the smelter entirely underground.
1946History
In 1946 the copper smelter ceased operation, the zinc operation halted in 1968, and the lead processing was halted in 1972.
1969Economy
In 1969 the mining company began exploration drilling.
1972History
The entire site was demolished during 1972–74.
1974Culture
In 1974 a copper mine and mill ("Carr Fork Operations") was started; it began processing ore in 1979, and ran until 1981.
1982Economy
It was shut down and abandoned when the Pine Canyon “Carr Fork” mine and mill shut down; its last day of operation was August 28, 1982.
1985Culture
It began in 1985; for the first several years of its existence the Festival was held near the end of May, but it seemed to coincide with late-spring cold spells, which were disa...
1993Military
In 1993 the scope and mission of the Tooele Army Depot (as the previous Ordnance Depot was now called) was reduced, and about 1,700 acres of its area including many buildings we...
1998Culture
Due to this unpredictability, sponsors decided in 1998 to move it to the final weekend of June, although this puts it in direct competition with the much larger Utah Arts Festiv...
2000History
The hottest temperature recorded in Tooele was 106 °F (41.1 °C) on July 30–31, 2000, while the coldest temperature recorded was −16 °F (−26.7 °C) on February 10, 1933, and Decem...
2011Culture
The 2011 Tooele Arts Festival was cancelled due to lack of volunteers; this was the first time since 1985 that no arts festival was held in Tooele City.
2013Culture
In 2013 the UID was purchased by another company and is presently known as "Ninigret Depot."
In 2011, the Junior Jazz, a part of JR.
2016History
The 2016-2020 5-year American Community Survey estimates show that the median household income was $65,740 (with a margin of error of +/- $4,931).
2020History
== Demographics ==
=== 2020 census ===
The 2020 United States census counted 35,742 people, 11,319 households, and 8,580 families in Tooele.
2023History
On November 3, 2023, a semi-truck driver named Moab James Stapley lost control and crashed into a light pole at a car dealership, causing one seriously injured and 10 others inj...