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History and Facts of Utah Counties

Utah Counties – The State of Deseret was established in 1849 and disestablished in 1850. The provisional state encompassed most of the territory that had been acquired from Mexico the previous year as the Mexican Cession.

The Territory of Utah, as part of the Compromise of 1850, was organized on September 9, 1850 and existed until January 4, 1896, when it was admitted to the Union as the State of Utah. Cheyenne was the territorial capital.

Utah was created as a the 45th state on January 4, 1896. Utah has 29 Counties.

States bordering Utah are ArizonaColoradoIdahoNevadaNew Mexico and Wyoming.

There were originally seven counties established under the provisional State of Deseret in 1849: Davis, Iron, Sanpete, Salt Lake, Tooele, Utah, and Weber Counties. The Territory of Utah was created in 1851 with the first territorial legislature meeting from 1851–1852.

The first legislature re-created the original counties from the State of Deseret under territorial law as well as establishing three additional counties: Juab, Millard, and Washington.

All other counties were established between 1854 and 1894 by the Utah Territorial Legislature under territorial law except for the last two counties formed, Daggett and Duchesne. They were created by popular vote and by gubernatorial proclamation after Utah became a state.

In 1849 the first Utah counties were formed. The original 5 counties created were Salt Lake CountySanpete CountyTooele CountyUtah County and Weber County.

The last county to be formed was Daggett County on March 04, 1919.

List of Utah Counties

Utah is divided into 29 counties.

List of Old Former / Extinct Utah Counties

Utah has counties that no longer are in existence. A lot of these counties were established and disbanded within the 19th century; county borders have modified very little since 1900 in the vast most of states.

At least thirty-two counties that were established by Utah law no longer exist. These defunct counties were either (1) Judicial counties, (2) Counties established by declaration of the Constitutional Convention of 1868-69, (3) Counties established by legislative act but never organized and later abolished by legislative act (4) Counties established outside the present boundaries of Utah or (5) Counties whose names have been changed.

The below Utah counties no longer exist:

?? County, Utah

Created ? from ?. It was abolished ? and re-established as ? County on ?.

  • Carson County was established on 17 Jan 1854 by the Utah Territory; it was abolished  on 02 Mar 1861. Area now in Nevada
  • Cedar County was established on 05 Jan 1856 ; it was abolished  on 17 Jan 1862
  • Desert County was established on 03 Mar 1852 ; it was abolished  on 17 Jan 1862
  • Greasewood County was established on 05 Jan 1856 ; it was abolished  on 17 Jan 1862
  • Great Salt Lake County was established on 03 Mar 1852 ; it was renamed  on 29 Jan 1868 Salt Lake County
  • Green River County was established on 03 Mar 1852 ; it was abolished  on 16 Feb 1872
  • Humboldt County was established on 05 Jan 1856 ; it was abolished  on 02 Mar 1861. Area now in Nevada
  • Malad County was established on 05 Jan 1856 ; it was abolished  on 17 Jan 1862 . Area now in Box Elder County
  • Richland County was established on 16 Jan 1864 ; it was renamed  Rich County on 29 Jan 1868.
  • Rio Virgin County was established on 18 Feb 1869 ; it was abolished  on 16 Feb 1872
  • St. Mary’s County was established on 05 Jan 1856 ; it was abolished  on 02 Mar 1861
  • Shambip County was established on 12 Jan 1856 ; it was abolished  on 17 Jan 1862 . Area now in Tooele County
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Map of Utah County Boundary Changes from 1849 to 1960

This Interactive Map of Utah Counties show the historical boundaries, names, organization, and attachments of every county, extinct county and unsuccessful county proposal from the creation of Utah from 1849-1960.

Fun Facts about Utah Counties

County Name Facts

The County names:

  • 0 of them named for Native American words or people,
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Counties by Year

In 1849 the first Utah counties were formed. The original 5 counties created were Salt Lake CountySanpete CountyTooele CountyUtah County and Weber County.

The last county to be formed was Daggett County on March 04, 1919.

  • ? County was the first county created on ?.
  •  The last county to be formed was ? County on ?.
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Facts for County Size

  • ? County (000 sq mi) is the largest county in Utah.
  • ? County (000 sq mi) is the smallest county in Utah.

Facts for County Population (2017 Est.)

  • ? County (000) is the most populated county in Utah.
  • ? County (000) is the least populated county in Utah.

Facts for Utah Counties and Cities

Utah’s 10 largest cities (2010) are:

  1. Birmingham (000) is in ? County and ? Counties
  2. Salt Lake City, West Valley City, Provo, West Jordan, Orem, Sandy, Ogden, St. George, Layton and Taylorsville